Pages
- ah
- ATA 20
- Disclaimer
- About sjap
- Disclaimer
- Privacy Policy & Cookies
- #12 (no title)
- Links
- Videos
- Downloads
- Pictures
- Forum
- YouTube
- FAIL
- Aero articles
Posts by category
- Category: General information
- MROAIR.com, Artificial Intelligent Reality APP for aircraft maintenance
- 737 engines heat made visible with infrared
- B737 Theory Power Sources e-book
- EZAP & EWIS awareness: See how much dust a 737 accumulates in time.
- A guide to be a more valuable technician
- The Boeing 737NG App V2
- Boeing 737 NG theory booklet added to Download section
- Engine testrun checklist 737NG
- Short Field Performance SFP information
- E&E shelf & cockpit panel units test-overview
- Manufacturing of a 737NG
- External muffler design to reduce equipment cooling noise.
- List of Aerospace Acronyms and Initialisms. 737-ALL
- Inflight vibration information guide with possible causes and solutions. 737-ALL
- Walkaround / exterior inspection, a clear guide with nice photo’s. 737-6/7/8/900
- Build your own 737 with this layout. Not only for kids..
- Maintenance headset IPC. Your “David Clark” headset spare parts catalogue.
- Cleaning before inspection. An explanation.
- Critical tasks, RII, Duplicate inspections, ETOPS: Where can i find them?
- Introduction to aircraft corrosion. From Carl E. Locke, Jr, University of Kansas.
- Definitions of inspections and used terms.
- General website information
- Category: 20 Standard practices
- Michelin Aircraft Tire Inspection App
- O-ring catalog: a reference guide
- Shell product specification sheets overview (fuel – oil – grease – hydraulics)
- Dow Corning RTV adhesive / sealant product information sheet
- Zip-Chem product cross reference overview
- Oversize press fit type lube fittings
- All info on PR 1776 Class B sealant
- BINAIRY – HEXADECIMAL – DECIMAL – OCTAL converter
- Cross reference BMS- / MIL- spec to productname
- Complete Aeroshell book available for reference only
- List of P/N versus spec & description BMS/GREASE
- Technical terms to describe inspection-findings
- All BMS- numbers with description
- Sealants, types and curing-times
- Category: 737: 21 Air Conditioning
- ACM failure 737NG
- Cockpit temp is not controllable. 737-6/7/8/900
- Cabin temp is very hot in back and very cold in front. 737-700
- PACK TRIP OFF light on at higher ambient tempertures. 737-700
- Turbofan drain plug electrical wires. 737-3/4/500
- Busy Starling Evicted Prior to Flight
- Turbofan keeps running after pack is switched to off. 737-300/-400/-500
- Category: 737: 22 Autoflight
- Category: 737: 23 Communication
- Category: 737: 24 Electrical power
- Intermittent blanking of the Display Unit during APU start on battery.
- Intermittent blanking of the Display Units during APU start with Battery power only
- Not possible to start APU on battery power
- Standby Power Test on ELEC panel
- Aircraft will not accept ground power, Hot Battery bus circuit breaker pops behind Captains seat when starting APU 737-3/4/500
- When eng #1 is shutdown, #1 “TRANSFER BUS OFF” light comes on and power is lost to the Bus 737-3/4/500
- Transformer Rectifier #3 shows voltage but no amps with aircraft power on 737-3/4/500
- CSD temperture goes off scale in both normal or rise 737-3/4/500
- When #2 engine is shut down the “Rt Transfer Bus” drops off line 737-3/4/500
- During Standby power test circuit breakers pop and voltmeter is high 737-3/4/500
- Cockpit DC amp meter will not indicate load when selected to bat position 737-3/4/500
- #1 Transfer bus drops off line when APU starter disengages 737-6/7/8/900
- #1 Transfer Bus off light on 737-6/7/8/900
- APU Generator will not come on line 737-6/7/8/900
- Engine Generator drops off line, when the other Gen is taken off line 737-6/7/8/900
- IDG drainplug cracks due to overtorque 737-6/7/8/900
- 737NG electrical power sources overview 737-6/7/8/900
- 737-300 electrical schematic powerpoint presentation 737-3/4/500
- Interactive training and cb module. (needs MS-Access to play) 737-6/7/8/900
- Complete circuit-breaker list for 737-6/7/8/900
- IDG & CSD oil servicing 737-ALL
- Category: 737: 25 Equipment & furnishing
- P5 overhead panel attachment bracket cracked
- Cargo ceiling shroud permanent repair example
- Soaked insulation blankets causing ice on sidewalls 737-6/7/8/900
- New SKY interior LED lighting introduced 737-6/7/8/900
- High squeezing sounds when walking in aft part of cabin 737-6/7/8/900
- Cargodoor tresholds / pax door tresholds: Removal of safety walk tape 737-ALL
- Rudder pedal adjustment handle stuck 737-3/4/500
- Cargo compartment blanket layout, to be used during heavy maintenance 737-300/400
- Category: 737: 26 Fire protection
- Category: 737: 27 Aileron - spoilers
- 737NG Flight Spoiler Adjustment Chart
- Chattering & slight binding of Aileron Control Wheels
- Spoiler PCU shutoff-valve system A or B circuitbreaker trips
- Balancing flight controls after a repair 737-6/7/8/900
- Spoiler mixer no-back brake check tip 737-3/4/500
- Flight spoilers will not raise to within limits with speed brake handle fully deployed. 737-3/4/500
- Cable tensioning tool 737-ALL
- Balancing flight controls after a paint job 737-ALL
- Spoiler mixer bearing wear due to sand contamination 737-6/7/8/900
- Aileron and rudder trim out of limits? Check this first 737-ALL
- Speedbrake light ON with flaps down on winglet aircraft 737-6/7/8/900
- Temporary solution for heavy aileron input forces 737-ALL
- Speedbrake handle pointer usage errors; a simple tip but often used faulty 737-ALL
- Vibrating flight spoiler 737-ALL
- Flight Control Shutoff Valves: Close and check them! 737-ALL
- Category: 737: 27 Flaps - Slats
- Flap driveshafts and gearbox in action
- Trailing edge flaps operate slow
- Flaps retract from 40 to 30 but do not extend to 40 when airspeed is reduced to less than 157 knots
- Removing Leading Edge Slat Actuator 737-6/7/8/900
- Bonding jumper overview Kreuger Flaps 737-6/7/8/900
- Following Slat replacement Slat will not rig 737-6/7/8/900
- Slat track replacement fast procedure 737-6/7/8/900
- Flap track fairing support loose rivets 737-3/4/500
- Inboard aft flap actuating mechanism bellcranks chafed 737-6/7/8/900
- Slat remains extended due to actuator malfunction 737-6/7/8/900
- Manual movement of leading edge flaps/slats with an external pump 737-6/7/8/900
- Outboard flap assy sling installation attachment points, a possible solution 737-6/7/8/900
- Flap alternate drive motor installation in any flap position 737-3/4/500
- Manual movement of leading edge flaps/slats with an external pump 737-3/4/500
- Inboard flaptrack coating damage, more information 737-6/7/8/900
- Outboard flap tracks (1-2-7-8) fwd fitting must have play 737-3/4/500
- Extend/retract leading edges without moving trailing edge flaps 737-3/4/500
- LE slat hydraulic lock reset procedure 737-3/4/500
- Winglet aircraft with different SMYD’s tip 737-6/7/8/900
- Category: 737: 27 Stabilizer - Elevators
- Elevator sluggish, sloppy, or heavy 737-3/4/500
- Elevator tab control mechanism inspection info 737-6/7/8/900
- Elevator feel and centering unit broken springs 737-6/7/8/900
- Stabilizer not moveable because of strong tailwinds 737-ALL
- Elevator freeplay check procedure: difference between classic and next gen 737-ALL
- Rotary type actuator lever installation instructions (stabilizer switches) 737-ALL
- Elevator mechanical control path inspection: where to look at 737-6/7/8/900
- Stabilo fwd cable drum dripshield: remove the bolts 737-ALL
- Category: 737: 27 Rudder
- Category: 737: 28 Fuel
- Fuel tank pressure relief valve test 737NG
- B737 Fuel tank access door seal disbond
- CFM56-7B Engine fuel leaks during engine start
- FAIL: Fuel overflow during refueling
- PATS auxiliary fuel tank system experiences
- Very handy test kit to test microbial contamination in the fueltanks.
- Fuel line damage inside RH fueltank
- Fuse “Fuel control 1 Fwd, 2 Aft, Ctr right” trips out 737-3/4/500
- Pump removal valve stuck closed and wont open 737-3/4/500
- Boostpump bonding jumper corrosion 737-6/7/8/900
- Fuel quantity indicating system T/S microguide 737-3/4/500
- Category: 737: 29 Hydraulic power
- Hydraulic quick disconnect leakage on strut 737NG
- Transfer hydraulic fluid from A > B or B > A to equalize reservoir levels. 737-ALL
- Main cargo door (MCD) hydraulic system filter replacement instructions. 737-3/400
- Hydraulic fluid transfer from B to A system. 737-ALL
- Standby hydraulic pump running on ground while not selected. 737-6/7/8/900
- 737-NG Hydraulic System Experiences: 737-6/7/8/900
- Hydraulic overheat switch wrench size is 1-3/8 inch 737-3/4/500
- EDP case drain filter-housing: Correct installation 737-3/4/500
- Category: 737: 30 Ice & rain
- Category: 737: 31 Instruments
- Category: 737: 32 Landing gear
- Nose landing gear manual extension
- Smoke from wheel / brake assy due to grease
- FAIL: NLG collapsed during landing
- Pushback without Tugs, Taxi without Engines
- Left brake grabs or chatters during normal braking. 737-3/4/500
- PSEU light on with fault code Dispatch Fault A 32-66007 and Dispatch Fault B 32-66017. 737-6/7/8/900
- Autobrake disarm light ON but AACU bite shows nil faults. 737-6/7/8/900
- Autobrake disarm light illuminates upon touchdown without crew applying brakes. 737-ALL
- Antiskid inop light on. 737-6/7/8/900
- Anti-Skid light illuminated on takeoff, goes out at liftoff. 737-6/7/8/900
- Landing Gear handle will not go to up position until flaps are retracted. 737-6/7/8/900
- Anti skid fail with Box 1-4 message during Bite. 737-6/7/8/900
- NLG strut shim / spacer information. 737-6/7/8/900
- Nosewheel tire scrubbing examples. 737-ALL
- PSEU does not come on. 737-6/7/8/900
- Tire inspection guide, for training purposes. 737-ALL
- NLG steering tiller installation: Not too tight! 737-3/4/500
- Category: 737: 33 Lights
- LED TAXI and RTO lamps
- Retractable landing lights failures in any mode. 737-6/7/8/900
- Lower anti-collision light plug removal. 737-6/7/8/900
- Spare bulb box contents overview. 737-ALL
- Galley switch and indicator lights info sheet for NG. 737-6/7/8/900
- Stby attitude indicator integral lighting block replacement. 737-6/7/8/900
- Category: 737: 34 Navigation
- Category: 737: 35 Oxygen
- Category: 737: 36 Pneumatics
- Example of ACMS data that shows a failing precooler control valve sensor 390 F. 737-ALL
- Bleed air test guide, the ultimate guide for all bleed problems ! 737-ALL
- Bleed system check form to fill in during groundrun. 737-6/7/8/900
- Bleed system check form to fill in during groundrun. 737-3/4/500
- Engine bleed system flexible lines, an easy overview for troubleshooting. 737-6/7/8/900
- Bleed air system optimal troubleshooting study. 737-6/7/8/900
- Bleed air system reliability prediction study. 737-3/4/500
- Precooler control valve: control line damaged against the bracket. 737-6/7/8/900
- Test procedure 490°F switch (Shop procedure different from AMM!) 737-ALL
- Category: 737: 38 Water & waste
- New dirty job man fixes all your toilet problems. 737-ALL
- No rinse water during toilet operation. 737-6/7/8/900
- Fwd galley drain blockage. 737-6/7/8/900
- All toilet flush systems inop ? Check servicing ball valve. 737-6/7/8/900
- Watercompressor failure: Check the fill/overflow valve too. 737-6/7/8/900
- Category: 737: 47 Nitrogen systems
- Category: 737: 49 APU
- APU Chugging
- APU Generator Frequency fluctuates or generator drops off line when APU is under a load 737-300/500
- APU pictures 737NG
- APU generator attachment nuts, different types available. 737-3/4/500
- APU fire warning: sneak circuit inside APU ctrl module. 737-3/4/500
- APU oil cooler contamination (Next Gen 131-9B). 737-6/7/8/900
- Always check the APU exhaust for FOD. 737-ALL
- APU air inlet plenum panel installation guide. 737-3/4/500
- Never start an APU when a pitot/static system test is going on! 737-6/7/8/900
- Pressurizing the aircraft with an old APU. 737-3/4/500
- APU 85-129 Performance problems due to cracked combustor case. 737-3/4/500
- APU 131-9B fault code reference & troubleshooting flow chart. 737-6/7/8/900
- APU borescope, how to rotate it. 737-6/7/8/900
- Auto cooldown-cycle. 737-6/7/8/900
- APU igniter correct installation. 737-6/7/8/900
- Training guide APU fadec. 737-3/4/500
- Category: 737: 52 Doors
- Cargo door opening scuffplate removal guide
- Cargo door handle stud missing and housing damaged. 737-ALL
- E+E door handle stuck in retracted position with closed door. 737-6/7/8/900
- Pax / service door adjustment guide. 737-ALL
- Door sensor swap with gear sensor. 737-3/4/500
- Pax door closure inspection: door looks closed but isn’t. 737-ALL
- Overwing (emergency) exit door light on. (including video) 737-6/7/8/900
- E/E door-handle not flush. 737-3/4/500
- Category: 737: 53 Fuselage
- Birdhit on nose radome
- Cracks at STA 663 pressure bulkhead. 737-6/7/8/900
- Drilling correctly aligned holes through Aircraft Skin/Structure. 737-ALL
- Station 664 cracks in panel near ram air exhaust.(VAPOR BARRIER) 737-6/7/8/900
- Scribe marks on lapjoints, extra information. 737-2/3/4/500
- Floorpanel tape cabin DRY area. 737-3/4/500
- Category: 737: 54 Pylons
- Category: 737: 55 Empennage
- Category: 737: 56 Windows
- Category: 737: 57 Wings
- Replace fuel filters after winglet installation. 737-6/7/8/900
- Cracked trailing edge of blended winglet. 737-ALL
- Broken outboard flap carriage spindle, an example for SB 57-A127. 737-3/4/500
- Flaptrack 3 & 6 installation: aft bolts first. 737-3/4/500
- Loose fixed aft lower wingpanel between pylon and inb flapfairing. 737-6/7/8/900
- Fixed aft wingpanel between flaps, attachment play 737-6/7/8/900
- Inboard aft fixed upper panel attachment play. 737-3/4/500
- Shims used on the outboard flap carriage assies (track 1-2-7-8). 737-3/4/500
- Category: 737: 70-80 Powerplant CFM56-3
- Major birdstrike damage due to geese-strikes on engine, nose and gear.
- FAIL: Engine testrun damage
- Max power assurance check calculation files for 737-ALL
- Oil filter bypass lt flickering and egt counter flashing upon engine startup. 737-3/4/500
- FANblade balance sheets, for fanblade registering, balancing and re-balancing purposes. 737-ALL
- Idle control explained, -3 engine idle control system sheet. 737-3/4/500
- CIT + T2 sensor test sheet, CIT sensor and T2 sensor testsheet. 737-3/4/500
- Relationship overview / calculator between different engine data (CFM56-3). 737-3/4/500
- MEC trim sheets, for easy use when adjusting and testing the MEC. 737-3/4/500
- CFM56-3 HPT blade and HPT nozzle pictures for borescope insp. help 737-3/4/500
- Transfer gearbox cracked mountings. 737-3/4/500
- CFM56-3 sensor failure / system mis-rig guide 2, with illustrations. 737-3/4/500
- On-board balancing of fanblades. 737-ALL
- Trimmen, afstellen en controleren CFM56-3 (Dutch language) 737-3/4/500
- Engine idle control, a clear explanation! 737-3/4/500
- Borescope help: CFM56-3 HPC blades scaled 1:1 737-3/4/500
- Category: 737: 70-80 Powerplant CFM56-7
- Smoking tailpipe after engine shutdown
- MRO.AIR – Artificial Intelligent Reality
- CFM56-7B Oil puddles in exhaust
- Missing wear pads on thrust reverser blocker door spring-bracket
- CFM56-7B engine change by SAS
- FAIL: Fancowl latches not closed…
- Southwest engine wash video
- CFM56-7 hybrid identification plug
- HMU replacement kit
- IDG drive pad seal replacement info. 737-6/7/8/900
- Chip detector findings on cfm56-7. 737-6/7/8/900
- HMU schematic drawing for training only. 737-6/7/8/900
- CFM56-7 static fluid leakages. 737-6/7/8/900
- AGB sealol assy replacement on IDG and fuelpump side. 737-6/7/8/900
- LPT frame coverplate oil leakage repair. 737-6/7/8/900
- New design Fan Blade Platform interchangeability. 737-6/7/8/900
- HMU partnumber matrix and EEC software info. 737-6/7/8/900
- Stage 1 booster vane assy outer shroud abradable coating damage. 737-6/7/8/900
- Compressor and turbine pictures for borescope reference. 737-6/7/8/900
- J-hook borescope inspection on CFM56-7: simplified procedure. 737-6/7/8/900
- ACCELL and MPA test NG tables, MPA and accell test tables. 737-6/7/8/900
- EGT indication problems CFM56-7 engines. 737-6/7/8/900
- Borescope help: CFM56-7 HPC blades scaled 1:1 737-6/7/8/900
- CFM56-7 fanblade dovetail map: p/n, s/n and moment weight. 737-6/7/8/900
- Category: 737: 78 Thrust reversers
- Reverser light complaints
- Thrust Reverser half does not move when attempting to deploy. 737-3/4/500
- Thrust reverser stby fuse locks. 737-3/4/500
- Thrust reverser control switch spring broken. 737-6/7/8/900
- Thrust reverser halves are not closing even. 737-3/4/500
- No proper reverser operation: return line fuse faulty. 737-3/4/500
- After T/R actuator change reverser light is not going off upon stowing T/R. 737-3/4/500
- Thrust reverser does not operate after maintenance. Bleed it! 737-ALL
- Thrust reverser de-activation kit. 737-3/4/500
- Thrust reverser isolator wear: the answer. 737-3/4/500
- Thrust reversers open (up) & deployed. 737-3/4/500
- Category: Videos
- Home for a mouse family inside insulation blankets
- Boeing ecoDemonstrator takes flight
- Look underneath the nose radome of a 737-800
- Look inside tail compartment of a Boeing 737 Next Generation. 737-6/7/8/900
- 737 NG Thrust Reverser Activation and Test. 737-6/7/8/900
- 737-400 emergency escape slide test. 737-400
- Nosewheel replacement. 737-ALL
- Carbon brake and wheel installation on a 737 NG. 737-6/7/8/900
- 737 NG APU bite check. 737-6/7/8/900
- 737 NG tail compartment view. 737-6/7/8/900
- Nitrogen generation system bite check 737 NG. 737-6/7/8/900
- 737 engine vibration monitoring box bite procedure. 737-ALL
- Tesflights with wings stalling before autoslat operates. 737-400
- Emergency escape slide test on aft service door. 737-ALL
- Engine start, high idle & shutdown demonstration on 737-300
- Overwing emergency exit flight lock mechanism explained. 737-6/7/8/900
- Normal engine start, a little thrust and engine shutdown. 737-6/7/8/900
- Video surveillance system demonstration. 737-ALL
- Auto speedbrake test. 737-6/7/8/900
- EEC actuators test. 737-6/7/8/900
- EEC bite test channel B. 737-6/7/8/900
- Quick 737 paintjob. 737-300
- Autothrottle tests 737-300
- Fanblade failure test. General info
- Engine startup with some flames. 737-300
- 737 NG engine wash procedure by SAS. 737-6/7/8/900
- Startup video of a preserved engine. 737-500
- Category: 787: 56 Windows
- Category: 787: Standard practices
- Category: FAIL
