Boeing 737-436

Service difficulty reports · 390

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '737436'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR TSAA2026092800003Slide · unwanted deploySLIDE DEPLOYED INADVERTENTLYSep 28, 2026 · N405YK · Boeing 737436 · Emergency EquipmentSDR K11A2026092400392Control Panel · failedPRESSURIZATION FAIL DURING DESCENT, MANUAL MODE DID NOT WORK. REMOVED AND REPLACED PRESSURE CONTROL MODULE IAW AMM 21-31-25, OPS CHECK PERFORMED IAW AMM 21-31-00/205 OPS CHECK GOOD NO DEFECTS NOTED, REF LP 737-004-8615 ITEM #2. PERFORMED CABIN PRESSURIZATION Sep 24, 2026 · N733CK · Boeing 737436 · Cabin Pressure Control SystemSDR K11A2026090400389Fmc · faultedBOTH FMC'S FAILED IN FLIGHT AND BECAME OPERATIONAL APPROXIMATELY AFTER ONE MINUTE. REMOVED AND REINSTALLED FMC COMPUTERS IAW MM 34-62-21, OPS CHECK GOOD. NO DEFECTS NOTEDSep 4, 2026 · N733CK · Boeing 737436 · Flight Management Computing Hardware SystemSDR 2026FA0000569Adc · no testRIGHT ADC SELF TEST FAILED AMM 34-12-11 REV 103 - 25-MAR-2026. ADC WAS REPLACED AND OPERATIONAL TEST WAS PERFORMED BY AMM 34-12-01 REV. 103 - 25-MAR-2026. AIR DATA SYSTEM TEST WAS PERFORMED AMM 34-12-01 REV. 103 - 25-MAR-2026. THE EVENT OCCURRED ON 23TH JUNE Jun 23, 2026 · N853AT · Boeing 737436 · Air Data ComputerSDR NACA2026062200001Outflow Valve · failedCABIN ALT WARNING IN CRUISE. UNCONTROLLABLE IN AUTO OR STANDBY. WAS CONTROLLABLE IN MANUAL MODE. CR FLT 320 FOR ABOUT 30 MINS. REMOVED AND REPLACED CABIN PRESS OUTFLOW VALVE, OPS CHECK GOOD REF B737-400 AMM 21-31-11Jun 22, 2026 · N409YK · Boeing 737436 · Pressure Regulator/Outflow ValveSDR NACA2026050400001Slide · unwanted deployL1 DOOR SLIDE DEPLOYED (INADVERTENT, HUMAN ERROR). REMOVED AND REPLACED L1 DOOR SLIDE ASSY REF AMM 25-61-35-402-003May 4, 2026 · N409YK · Boeing 737436 · Escape SlideSDR TSAA2026042400002Symbol Generator · failedCAPTAINS SIDE EFIS DISPLAYS WENT BLANK. NR 1 SG FAILED.Apr 24, 2026 · N405YK · Boeing 737436 · Navigation SystemSDR K11A2026042200377Door · unsecureREJECTED TAKE OFF AT 60 KNOTS, AFT CARGO DOOR LIGHT INDICATED OPEN. RESECURED AFT CARGO DOOR IAW B737-345 AMM 52-31-00, NO DEFECTS NOTED. PERFORMED HIGH ENERGY STOP CONDITIONAL INSPECTION IAW B737-345 AMM 05-51-07, NO DEFECTS NOTEDApr 22, 2026 · N733CK · Boeing 737436 · Cargo/Baggage DoorsSDR K11A2026033100375Door · missingDURING WALKAROUND FOUND RH FUEL BOOST PUMP DOOR MISSING. TRANSFERRED TO DMI #73300134, CAT D, DUE 7/29/26 IAW B737 KC2 MEL CDL REF 57-30-4, SPECIAL PROCEDURES DCL 57-30-04 COMPLIED WITH PLACARDS INSTALLED. PERFORMED GROUND HANDLING HITS AIRPLANE OR PART DEPARMar 31, 2026 · N733CK · Boeing 737436 · Wing, Plate/SkinSDR K11A2026031700374Battery Pack · inoperativeDURING T/S FOUND L1 DOOR AND FLIGHT DECK ENTRY DOOR EMERGENCY LIGHTS INOP. REMOVED AND REPLACED LEFT HAND EMERGENCY LIGHT BATTERY PACK IAW B737 AMM 33-51-51 OPS CHECK GOODMar 17, 2026 · N405CK · Boeing 737436 · Emergency LightingSDR TSAA2026030900001Symbol Generator · failedNR 1 SYMBOL GENERATOR FAILED.Mar 7, 2026 · N405YK · Boeing 737436 · Navigation SystemSDR 2026F00007Cabin Pressure · faultedAFTER TAKEOFF, THE AIRCRAFT DOES NOT PRESSURIZE, IT IS NECESSARY TO RETURN TO PDAFeb 2, 2026 · N853AT · Boeing 737436 · Cabin Pressure Control SystemSDR K11A2026012900367Pump · power lossWITH PUMPS ON, FUEL PUMPS TO CENTER TANK LOST OF ELECTRICAL POWER ON CLIMB OUT. PERFORMED AC GENERATION SYSTEM TEST IAW AMM 24-21-00. OPS CHECK PASS WITH NO DEFECTS NOTED. REF BLOCK 2 OF LP 737-004-1877 FOR CENTER TANK FUEL QUANTITY INDICATION ERROR. CENTER TJan 29, 2026 · N733CK · Boeing 737436 · Fuel Boost PumpSDR NACA2026011920001Skin · ground damageLEFT AFT FUSELAGE APPROX STA 927 TO 947 STRINGER 22 TO 25 L DAMAGED BY WIND BLOWN GSE. ACCOMPLISHED IAW AWATS EO 25-737-53-01 NAC EO 737 53-0438Dec 15, 2025 · N407YK · Boeing 737436 · Fuselage Main, Plate/SkinSDR K11A2025102200356Seat Track · corrodedMAIN DECK SEAT TRACK AT STA 887 - 986.5 RBL 43.5 CORRODEDOct 9, 2025 · N734CK · Boeing 737436 · Fuselage, Seat/Cargo Attach FittingsSDR TSAA202510020002Skin · crackedCRACK FOUND AT BS 7270+13 BELOW ; STR 23L APPRX 1.75"LONG. CORRECTIVE: 8110 RECEIVED FOR IAW EO 737-53-0407Sep 9, 2025 · N405YK · Boeing 737436 · Fuselage Main, Plate/SkinSDR K11A2025121500363Skin · crackedREPLACED FUSELAGE SKIN AT STA 907 - 1016, S14R - 20R.Sep 5, 2025 · N734CK · Boeing 737436 · Fuselage Main, Plate/SkinSDR NACA2025081000002Iru · failedNUMBER 1 IRU FAULT ILLUMINATED, IRU FAILED. REMOVED AND REPLACED NR 1 IRU IAW AMM 34-28-31, OPS CHECK GOOD.Aug 10, 2025 · N405YK · Boeing 737436 · Inertial Guidance SystemSDR NACA2025052500006Bracket · crackedRH FIXED TRAILING EDGE UPPER INBOARD PANEL ANGLE BRACKET CRACKED. STOP DRILLED CRACK. FAB DBLR 15-5 .050 HEAT TREATED ROCKWELL @33. PRIMED INSTALLED ANGLES REF B737 SRM 57-51-90 AND EO 737-53-00003May 25, 2025 · N409YK · Boeing 737436 · Wing Miscellaneous StructureSDR NACA2025052500005Bracket · crackedLH FIXED TRAILING EDGE UPPER INBD PANEL ANGLE BRACKET CRACKED. STOP DRILLED END OF CRACK. FABRICATED CBER 15-5 050 FOR HEAT TREAT - ROCKWELL TEST @33. PRIMED AND INSTALLED REF B737-400 SRM 51-51-90 AND EO 737-00003May 25, 2025 · N409YK · Boeing 737436 · Wing Miscellaneous StructureSDR NACA2025051900001Skin · crackedRH ELEVATOR TAB LE SKIN CRACK APPROX 1" LENGTH OB OF HINGE 1 OPENING. REMOVED AND REPLACED RH ELEVATOR TAB ASSY REF 737 AMM 27-31-31May 19, 2025 · N407YK · Boeing 737436 · Elevator, Tab StructureSDR K11A2025051100319Battery Pack · inoperativePROBLEM DESCRIPTION: R1 DOOR EMERGENCY EXIT LIGHT INOP. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: R&R R/H EMERGENCY LIGHT BATTERY PACK OPS CHECK GOOD IAW B737 AMM 33-51-51, NO DEFECTS NOTED, THIS CLEARS DMI 73300123, ALL PLACARDS REMOVEDMay 11, 2025 · Boeing 737436 · Emergency LightingSDR K11A2025042500315Warning Light · illuminatedON THE RUNWAY CLEARED FOR TAKE-OFF, PER TAKE-OFF, AIRCRAFT WAS NOT MOVING, THROTTLE WAS NOT ADVANCING. CARGO DOOR ARMED LIGHT ILLUMINATED, REJECTED THE TAKE-OFF AND ADVISED TOWER NEEDED TO EXIT RUNWAY. WHEN EXCITED THE RUNWAY AND SET THE PARKING BRAKE THE LIGHApr 25, 2025 · N405CK · Boeing 737436 · Door Warning SystemSDR NACA2025031800001Outflow Valve · faultedCABIN ALTITUDE UNCONTROLLABLE IN STBY MODE. CABIN ALTITUDE 10,000 AT FL220. CABIN ALTITUDE CONTROLLABLE AFTER DESCENT INITIATED TO 10,000 FEET. REPLACED FWD OUTFLOW VALVE, ALSO FOUND CLAMP ON RH HEAT EXCHANGER BROKEN AND REPAIRED. OPS AND PRESSURE CHECK NORMALMar 18, 2025 · N405YK · Boeing 737436 · Pressure Regulator/Outflow ValveSDR K11A2025021700298Selector · out of positionTAKEOFF WARNING HORN SOUNDED DURING TAKEOFF ROLL AT 30 KNOTTS. FOUND SPEED BRAKE OUT OF DETENT, PUT SPEED BRAKE INTO DETENT AND PERFORMED AURAL WARNING OPERATION TEST IAW B737 AMM 31-26-00, OPS CHECK GOOD NO DEFECTS NOTED.Feb 17, 2025 · N733CK · Boeing 737436 · Central WarningSDR K11A2025030600302Landing · corrodedFUSELAGE FWD ACCESS DOOR CUTOUT AFT BULKHEAD STA 227.5 RBL 3 LOWER CHORD HAS EVIDENCE OF CORROSION.Jan 26, 2025 · N405CK · Boeing 737436 · Fuselage Main, BulkheadSDR K11A2025030300300Intercostal · corrodedINTERCOSTAL IN FORWARD ACCESS DOOR SURROUND AT STA 222 - 227.8 BL0 HAS EVIDENCE OF CORROSION.Jan 26, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2025032700306Floor Support · damagedAFT PIT FLOOR SUPPORT DAMAGED AT STA 727F LBL 18".Jan 22, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2025032700305Frame · damagedE/E BAY BILGE FRAME AT STA 360 AND APPROX BETWEEN STRINGERS S28R TO S29R DAMAGED WHERE FRAME MEETS FUSELAGE SKIN.Jan 21, 2025 · N405CK · Boeing 737436 · Fuselage Main, FrameSDR K11A2025031100303Floor Support · damagedFWD CARGO BILDGE LT C-TRACK DAMAGED AT STA 500C BL-S-26Jan 20, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2025030400301Floor Support · corrodedAFT PIT STA 945 RBL 14" FLOOR SUPPORT HAS EVIDENCE OF CORROSION.Jan 17, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2025040200310Attach Angle · corrodedEVIDENCE OF CORROSION ON FRAME ATTACH ANGLE AT STA 500 BETWEEN STRINGER 27R AND 26R.Jan 12, 2025 · N734CK · Boeing 737436 · Fuselage Main, Attach FittingsSDR K11A2024121200295Anti-Ice Valve · inoperativeRIGHT VALVE OPEN, THERMAL ANTI-ICE VALVE REMAINS ON IN FLIGHT, SWITCH IN OFF POSITION. REMOVED AND REPLACED RIGHT WING ANTI-ICE SHUTOFF VALVE IAW B737 AMM 30-11-11, OPS CHECK GOOD NO DEFECTS NOTED.Dec 12, 2024 · N405CK · Boeing 737436 · Airfoil Anti/De-ice SystemSDR NACA2024120200001Seat Track · crackedSEAT TRACK CRACKED BELOW STOP FITTING AT BS 887 LBL 45.50. SEAT TRACK REMOVED AND REPLACED FROM 480-510 AT LBL 24.75 IAW 737-400 SRM 51-4002 REPAIR OPTION 2.Dec 2, 2024 · N401YK · Boeing 737436 · Fuselage, Seat/Cargo Attach FittingsSDR K11A2024101700289Regulator · inoperativeTHE AIRCRAFT WOULD NOT PRESSURIZE. THE NUMBER ONE BLEED VALVE INDICATED 3 PSI. R&R #1 ENGINE BLEED AIR PRESSURE REGULATOR IAW B737 AMM 36-11-16, OPS CHECK GOOD. BLEED AIR SYSTEM LEAK CHECK GOOD IAW B737 AMM 36-11-05, PERFORMED ENGINE RUN TO IDLE, OPS CHECK GOct 17, 2024 · N733CK · Boeing 737436 · Cabin Pressure Control SystemSDR NACA2024091300001Blowout Panel · blownAT 37000 FT IN CRUISE, CABIN ALTITUDE CLIMBED RAPIDLY AND EXCEEDED 20,000 FEET. FOLLOWED QRH, CABIN WAS NOT CONTROLLABLE IN MAN AC W/ VALVE CLOSED INDICATION. AIRCRAFT RETURNED TO PAOM. PERFORMED CABIN DEPRESSURIZATION CONDITIONAL INSPECTION IAW AMM 05-51-081 Sep 13, 2024 · N407YK · Boeing 737436 · Fuselage Main, StructureSDR NACA2024082700001Skin · crackedWHILE PERFORMING A DVI FOR AN UNRELATED EO, FOUND A 7/8 INCH FUSELAGE SKIN CRACK BELOW STR 22L AND BS 7278+2 3/8, CONFIRMED WITH EDDY CURRENT. ACCOMPLISHED EO 737-53-0360, REFERENCE ATTACHED PROJECT WORKSHEET.Aug 27, 2024 · N403YK · Boeing 737436 · Fuselage Main, Plate/SkinSDR K11A2024082800280Support · crackedFWD PIT STATION APPRX 520 RBL APPRX 8 FRAME SUPPORT CRACKED.Aug 19, 2024 · N733CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2024091300284Frame · crackedAT STA 344 FRAME FOUND CRACKED BETWEEN S-22L AND S-23L AT 1 INCH HYDRAULIC LINE HOLEAug 16, 2024 · N733CK · Boeing 737436 · Fuselage Main, FrameSDR K11A2024090500281Floor Support · corrodedFWD PIT FLOOR SUPPORT HAS CORROSION AT STA 540 RBL 16Aug 13, 2024 · N733CK · Boeing 737436 · Fuselage Miscellaneous StructureSDR K11A2024081300277Sensor · out of limitsDURING CLIMB SOON AFTER REACHING 1000 FT CLIMB AGL FEEL DIFF PRESS AND SPEED TRIM FAIL ANNUNCIATOR LIGHTS ILLUMINATED, ELEVATOR CONTROL WAS MARGINALLY HEAVY, AND AUTO PILOT WOULD NOT MAINTAIN PITCH CONTROL. : R&R ELEVATOR FEEL COMPUTER IAW B737 AMM 22-31-37 PAAug 13, 2024 · N734CK · Boeing 737436 · Flight Control SystemSDR K11A2024090500282Door Frame · crackedFOUND CRACK INDICATION AT L-1 DOOR S-16 DOOR STOP LOWER FASTENER ROW MIDDLE HOLE.Aug 7, 2024 · N733CK · Boeing 737436 · Fuselage Main, StructureSDR NACA2024071700006Skin · corrodedDURING NRC CA1559/473 CORRECTIVE ACTION REMOVE WING TIP SKIN FOUND CORROSION AT RH WING TIP FAIRING PANEL LOWER SKIN. REPAIRED CORROSION IAW EO 737-57-0046Jul 17, 2024 · N405YK · Boeing 737436 · Wing, Plate/SkinSDR NACA2024071700005Skin · corrodedDURING NRC CA1559/473 CORRECTIVE ACTION REMOVE WING TIP SKIN FOUND CORROSION AT RH WING CLOSURE RIB ASSY LOWER HORIZONTAL FLANGE WBL560. REPAIRE CORROSION IAW EO 737-57-0045Jul 17, 2024 · N405YK · Boeing 737436 · Wing, Plate/SkinSDR NACA2024071700004Cargo Track · corrodedMAIN DECK CARGO LATERAL TRACK GOT CORROSION, STA727R, 727AR, 727FR, 727GR. REPLACED TRACK IAW SRM 51-40-02Jul 17, 2024 · N405YK · Boeing 737436 · Fuselage, Seat/Cargo Attach FittingsSDR NACA2024071700002Skin · corrodedSURFACE CORROSION ON FUSELAGE EXTERNAL SKIN (AFT LAVATORY ACCESS PANEL1502 R L/E SIDE)  BETWEEN BS998 AND BS1006 FROM S24R TO S25R. REPLACED ACCESS PANEL IAW AMM 52-49-6Jul 17, 2024 · N405YK · Boeing 737436 · Fuselage Main, Plate/SkinSDR K11A2024071600269Flap System · faultedPROBLEM DESCRIPTION: TRAILING EDGE FLAP ASYMMETRY LEFT FLAP INDICATE UP & RIGHT FLAP INDICATES L1, SLATS DID NOT EXTEND WHEN FLAP HANDLE WAS MOVED TO #1 DETENT. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: FOUND #3 FLAP TRANSMISSION TORQUE TUBE COUPLING DIJul 16, 2024 · N734CK · Boeing 737436 · Leading Edge Slat Control SystemSDR NACA2024071200006Pressure Blkhd · crackedMWW PRESSURE BULKHEAD GOT CRACK ABOUT 0.375", STA 663.75 LBL25+16", IN MAIN DECK CARGO COMP'T. REPAIRE CRACK IAW NAC EO 737-57-0356Jul 12, 2024 · N405YK · Boeing 737436 · Fuselage Main, BulkheadSDR NACA2024071200005Pressure Blkhd · crackedMWW PRESSURE BULKHEAD GOT CRACK ABOUT 1.5" 2 LOCATIONS, STA 663.75 LBL30, IN MAIN DECK CARGO COMP'T. REPAIRED CRACK IAW NAC EO 737-57-0356Jul 12, 2024 · N405YK · Boeing 737436 · Fuselage Main, BulkheadSDR NACA2024071200004Skin · corrodedSURFACE CORROSION ON AFT CARGO DOOR LOWER AND AFT CUT OUT  CORNER SKIN UNDER AFT SCUFF PLATE AT BS847 BETWEEN S23R AND S24R. REPAIRED CORROSION IAW SRM 53-60-01Jul 12, 2024 · N405YK · Boeing 737436 · Fuselage Main, Plate/Skin
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