N931AK
Service difficulty reports · 58
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.
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 n_number = 'N931AK' AND registry_match = 'registration' 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.
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 n_number = 'N931AK' AND registry_match = 'registration' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR ASAA2025092761250Seat Track · damagedAFTER FITHER INSPECTION CAPTAIN SEAT TRACK IS DAMAGED (AFT I/B). SRXR430X. GROUNDED - YES. REMOVED AND REPLACED CAPITAN AFT I/B SEAT TRACK IAW IPECO CMM 53-01-02. SRXR430X.SDR ASAA2025032956965Lens · missing16A EXIT SIGN COVER MISSING ON LOWER WALL. GROUNDED - YES. REPLACED EXIT SIGN COVER AT ROW 16A AS REQUIRED.SDR ASAA2025021456023Indication Sys · malfunctionedRIGHT MAIN TANK FUEL QTY IND STILL APPEARS TO BE ERRONEOUS. ON GROUND AFTER REFUELING, BOTH MAIN TANKS WERE WITHIN 20 LBS OF EACH OTHER . AFTER PUSH & ENG START OF NR 1 ENG, RT MAIN SHOT UP TO 8.89. THIS TREND CONTINUED THROUGH TAKEOFF, CLIMB & CRUISE UP TO 9.SDR ASAA2025021456019Indication Sys · malfunctionedRIGHT MAIN TANK FUEL QUANTITY INDICATION APPEARS TO BE ERRONEOUS. JUST PRIOR TO CENTER FUEL EMPTYING RIGHT MAIN QTY JUMPED TO 9140 LBS, WHERE IT STABILIZED FOR A FEW MINUTES. IT THEN BEGUN COUNTING DOWN NORMALLY. HOWEVER; THERE IS APPROXIMATELY A 1000 LB SPLITSDR ASAA2024070850861Light · missingFLOOR TRIM ON RIGHT SIDE OF CENTER AISLE CARPET STICKING UP BY ROW 1. GROUNDED - YES. FOUND THAT FLOOR PROXIMITY LIGHTING COMING UP SHARP EDGE AMD MISSING IN A 10.5 INCH SECTION, ALSO PROTECTIVE PLASTIC COVER CRACKED MISSING R&R PER AMM 33-51-15-960-801 A/C OKSDR ASAA2023110846112Modulating Valve · faultyTECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(RIGHT FAMV FAULT 36-12021)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1976146 TASKCARD: N/R-00002 ) REPLACED FAMV - REF AMM 36-12-03. OPS CHECKED GOOD.SDR ASAA2023110846074Control Unit · faultyL D=FWD WINDOW HEAT, OVERHEAT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROLLER BITE IAW IFIM 30-41-11-710-801. NO FAULTS. REMOVED AND REPLACED M00321 WINDOW CONTROLLER IAW AMM 30-41-11 PRECAUTIONARY. OPS CKS GODD. SEAMC STEVE NSDR ASAA2023110646062Unknown · unknownON ROLLOUT FROM LANDING MAIT LIGHT OVER HEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED FIM TASK 36-12-00-810-802 PNEUMATIC ENG ON SYS TEST FOR R/H.TEST PASSED MAINT MSG CLEARED. FAULT IS INTTERMITTENT SEAMC WILL NOTIFIED NO HISTORY IN 30 DAYS.SDR ASAA2023102445814Actuator · faultyBOTH DUCT PRESSURE NEEDLES FLUCTUATE BETW 20-28 PSI WHILE ON APU BLEED AIR ON THE GROUND. GROUNDED - YES. (RESOLVED ON W/O: 1974919 TASKCARD: N/R-00001 ) FOUND FAULT MESSAGE 49-52192. "IGV ACTUATOR LVDT SHOWS CIRCUIT FAILURE" REMOVED AND REPLACED APU IGV REF ASDR ASAA2023101345631Sensor · faultyAPU HAS MILD SURGING DURING NORMAL OPERATION. GROUNDED - YES. R+R DELTA PRESSURE SENSOR REF AMM 49-52-33-000-801/400-801 AND TOTAL PRESSURE SENSOR REF AMM 49-52-32-000-801/400-801. APU FUNCTIONS NORMALLY. NDN.SDR ASAA2023092445303Unknown · unknownAPU BLEED DUAL PRESSURE FLUCTUATES BETWEEN 0 AND 40PACK SELECTION LEFT RIGHT OR BOTH MAKE NO DIFFERENCE. GROUNDED - YES. (RESOLVED ON W/O: 1971307 TASKCARD: N/R-00001 ) ACCOMPLISHED IFIM TASK 749-52-00-810-811. AND FOUND SOME DEBRIS ON TOTAL PRESSOR SENSOR IN SDR ASAA2023092445262Unknown · unknownAPU HAD FLUCTUATING BLEED AIR PRESSURE DROPPED TO 0 TWICE STABILIZED AFTER 3 MINUTES. GROUNDED - YES. APU DUCT PRESSURE WITHIN LIMITS AND STABLE REF B737-9 AMM 36-00-00. OK FOR SERVICE.SDR ASAA2023092345254Unknown · unknownAPU FAULT ON 2 START ATTEMPTS. GROUNDED - YES. INTEROGATED SYSTEM FOUND MX MESSAGES 49.4142 & WHEN START ATTEMPTED NEW MX MSG 49.41254. Y 30507ACCOMPLISHED IFIM TASK 49-40-00-810-805 BOTH MX MESSAGES NOT ACTIVE AND APU STARTED SUCCESSFULLY. REF LP 60911282 FORSDR ASAA2023091745187Unknown · unknownUNABLE TO TRANSMIT ON HF 1, HF 2 WORKED NORMALLY. GROUNDED - YES. ON DEFERRAL.SDR ASAA2023091145057Pump · leaking#2 ENGINE HYD PUMP LEAKING AT CASE SPLIT. GROUNDED - YES. REPLACED #2 ENGINE HYD PUMP REF AMM 29-11-11, OPS CK GOOD. LEAK CHECK GOOD. HYD FLUSH NOT REQUIRED.SDR ASAA2023090745027Electronic Unit · faultyHF#1 RECEIVE NO TRANSMIT. GROUNDED - YES. REPLACED REU REF AMM 23-51-01-000/400-801 (REF LP 60911257 FOR P/N TRANSACTION) VERIFIED OPS CK OF HF #1 RECEIVE/TRANSMIT PASS REF AMM 23-11-00-710-801. THIS CLEARS MEL 23-11-01B PLACARDS REMOVED SEAMC ANDY NOTIFIEDSDR ASAA2023090144914Modulating Valve · faultyWHILE ACCOMPLISHING T/C 31-005-00. FOUND SMT FAULT "BLEED FAMV RVDT L" ON ENG 1. GROUNDED - YES. REMOVED & REPLACED FAN AIR MODULATING VALVE REF AMM 36-12-03-000-801 & 36-12-03-400-801. OPS CHECK GOOD. SEAMC SCOTT NOTIFIED THIS CLEARS PLT DEFERRAL.SDR ASAA2023090144902Unknown · unknownMAINT LIGHT ON AFT OVERHEAD PANEL IS ON. GROUNDED - YES. OMF SHOWS MAINTENANCE MESSAGE 73-42701. ACCOMPLISHED IFIM G73-21-00-810-847. EEC CHANNEL-B POWER NOT AVAILABLE. MAINTENANCE LIGHT CLEARS AND OPS TEST NORMAL REF. AMM TASK G73-21-00-800-801-600.SDR ASAA2023081544603Filter · cloggedCONT CAB FWD & AFT CAB TEMPERATURE CONTROL KNOBS SMALL MOVEMENTS PRODUCE WILD TEMPERATURE SWINGS. CONTROL CAB WORST, IT KEEPS MOVING HIGHER IN TEMP AFTER A DEMEND SETTING FOR A LOWER TEMP. SUSPECT FILTERS FOR RESPECTIVE ZONE TEMP PROBES. GROUNDED - YES. FOUND SDR ASAA2023081444606Unknown · unknownHF2 RADIO FAILURE, NO TRANSMIT NOR RECEIVE CAPABILITY. GROUNDED - YES. DIVERSION - CYCLED POWER ON HF2, BITE CHECK GOOD REF FIM 23-11-801. HF2 GROUND VERIFICATION GOOD REF AMM 23-11-00-710-801, SEAMC MITCH NOTIFIED.SDR ASAA2023081444605Transceiver · faultyHF1. BOTH HF1 AND HF2 RECEIVE NORMALLY, BUT COULD ONLY TRANSMIT ON HF2. ADDITIONALLY, COULD ONLY RECIEVE SELCAL CHECK ON HF2. CPDLC LOGON AND COMMUNICATIONS SUCCESSFUL AND SATCOM FUNCTIONS NORMALLY. GROUNDED - YES. PERFORMED HF1 BITE PER FIM 23-11-801. FOUND FSDR ASAA2023080844498Unknown · unknownUSING HF#1, THE HF ANTENNA WAS UNABLE TO TUNE ON MULTIPLE HF FREQUENCIES. (HF #2 WORKS NORMAL). A STEADY TONE LASTING APPROXIMATELY 10 SECONDS WOULD PRECEED OUR INABILITY TO TRANSMIT.(NO SIDE TONE) AT 3 HOURS INTO FLIGHT. WE ATTEMPTED HF#1 AGAIN AND IT WORKED SDR ASAA2023080344440Unknown · unknownRADAR DOES NOT DISPLAY WX IN AUTO OR MANUAL MODE. GROUNDED - YES. WEATHER RADAR OPERATIONAL TEST PASSES, SYSTEM TEST FAILS - NO WEATHER OR GROUND RETURN. REFERENCE W/D 34-41-11-2, SHEET 1 - CONNECTORS D16712, D39977, AND D1409 REMOVED, INSPECTED AND RE-SEATED.SDR ASAA2023080144377Unknown · unknownWHILE PERFORMING T/C 31-005-00 AND T/C 05-020-01 FOUND LATCHED MESSAGE BLEED FAMV RVDT L ON ENG. 1. GROUNDED - YES. ON DEFERRAL.SDR ASAA2023071444025Unknown · unknownFLIGHT ATTENDANT REPORTS R2 DOOR MAKING NOISE AT CRUISE FL330 PSID 7.8 DOOR HANDLE INDICATES CLOSED PROPERLY. NO DOOR OPEN LIGHTS. PRESSURIZATION NORMAL. DOOR NOISE MAY BE COMING FROM LOWER RIGHT AREA OF DOOR. DOOR NOISE DOES NOT PREVENT COMMUNICATION. GROUNDESDR ASAA2023071344031Unknown · unknownHF #2 FAILED ENROUTE. GROUNDED - YES. ON DEFERRAL.SDR ASAA2023070843925Transceiver · faultyHF #2 C/B POPPED. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER REF B737-9 AMM 23-11-21. OPERATIONAL TEST PASS.SDR ASAA2023070643913Unknown · unknownTECH SERVICES FOLLOW UP ON URGENT CNR 20230706003 FOR #1 ENG (60A314) CUMULATIVE ODMS CHIP COUNT INCREASE - LOW THRESHOLD - URGENT. GROUNDED - YES. PERFORMED ODMS SENSOR INSPECTION REF AMM 79-00-00- TSR STEP 1. DEBRIS FOUND, PICTURES TAKEN AND DEBRIS COLLECTESDR ASAA2023062943805Unknown · unknownTWO APU START ATTEMPTS RESULTED IN APU FAULT LIGHT ILLUMINATION. GROUNDED - YES. PER B737-9 FIM TASK 49-40-00-810-818 VERIFIED NO VISUAL DAMAGES TO STARTER AND CANNON PLUG ATTACHING. AFTER FURTHER INVESTIGATION, DELTA P POPPED ON LUBE MODULE FILTER. REMOVED ANSDR ASAA2023062843783Unknown · unknownWHILE PERFORMING MTC 31-005-00 FOUND SMT MESSAGE ENG 1 EEC C2 UNDER LATCHED MESSAGE ERASE. GROUNDED - YES. C/W IFIM TASK G73-10-00-810-803. LATCHED MESSAGE ENG 1 EEC C2 ERASED AND DID NOT REAPPEAR.SDR ASAA2023062643684Modulating Valve · out of positionTECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(#1 LEFT FAMV FAULT 36-12020 #1(LH) FAMV IS NOT IN COMMANDED POSITION)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. REMOVED AND REPLACED THE #1 L/H FAMV. ALL OPS CHECKS PASSED. REF AMM 36-1SDR ASAA2023052843379Unknown · unknownIN CRUISE FL350 HAD DUAL FMC FAILURE. HAD AP P/RST AND FMC P/RST LIGHTS FLASHING ON GLARE SHIELD. WHILE GETTING QRH OUT, BOTH FMC'S RESET AND RETURNED TO NORMAL OPERATION. CPDLC ALSO LOGGED OFF. NORMAL OPS FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YES. PERFOSDR ASAA2023050343099Unknown · unknownOVERHEAD AND MAINT LIGHT ILLUMINATED FOR A SHORT WHILE AFTER LANDING AND THEN WENT OUT. GROUNDED - YES. A/C LOGGED FAULT 32-62101 LEFT TRA SWITCH OPEN DURING LANDING. PERFORMED B737-9 IFIM 32-09-00-810-839, FAULT IS NOT ACTIVE. MAINT LT EXTINGUISHED.SDR ASAA2023032742604Unknown · unknownFMC DISAGREE MSG. GROUNDED - YES. PER B737-9 IFIM 34-61-00-810-918 RESETED THE FAULTS. PERFORMED FMC OPS CHECK NORMAL REF B737-9 AMM 34-61-00-710-801.SDR ASAA2023031242318Unknown · unknownSUSPECTED FUEL LEAK LEFT TANK WAS DRAINING ALARMINGLY FAST. GROUNDED - YES. AIR TURNBACK -- CHECKED ALL THE BOOST PUMPS & ENGINES, NO LEAKS NOTED. ALSO RUN BOTH ENGINES NO ABNORMAL FUEL BURN NOTED. NO HISTORY OF FUEL LEAK.SDR ASAA2023030942300Motor · faultyLEFT AFT FUEL PUMP "LOW PRESSURE" ILLUMINATED.(INFO: W/ 5175 LBS REMAINING IN TANK). GROUNDED - YES. REMOVED AND REPLACED LEFT AFT FUEL PUMP IAW B737-9 AMM 28-22-41-000-801 AND 28-22-41-400-801.SDR ASAA2023030142353Sensor · out of rangeDURING ASA TC 05-020-01 FOUND REPEAT ENG 2 EEC C2 FAULT. 77-43073, N2 SENSOR OUT OF RANGE. GROUNDED - YES. REMOVED AND REPLACED ENG #2 N2 SPEED SENSOR PER B737-9 AMM 77-12-02.SDR ASAA2023020541833Not Reported · not reportedAPU OIL FILTER INDICATOR EXTENDED. GROUNDED - YES. REPLACED OIL FILTER INSPECTED MAG PLUG NO DEFECTS FOUND. RESET OIL FILTER INDICATOR. PERFORMED LEAK CHECK, NO LEAKS FOUND IN REF TO B737-9 AMM 49-91-13. ETOPS ENG OILS SERVICED IN REF TO AMM 12-13-31 C/N 93181SDR ASAA2023020441823Not Reported · not reportedON TAXI IN L2 WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. NO HISTORY- PERFORMED B737-9 IFIM 30-41-00-810-841L2 WINDOW HEAT OPS AND BITES NORMAL REF B737-9 AMM 30-41-00 + 30-41-11.SDR ASAA2023020441822Not Reported · not reportedON TAXI IN L1 WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. NO HISTORY-PERFORMED B737-9 IFIM 30-41-00-810-841L1 WINDOW HEAT OPS AND BITES NORMAL. REF MM 30-41-00 + 30-41-11.SDR ASAA2023020441821Not Reported · not reportedON TAXI IN R1 WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. NO HISTORY-PERFORMED B737-9 IFIM 30-41-00-810-841R1 WINDOW HEAT OPS AND BITES NORMAL. REF B737-9 AMM 30-41-00 + 30-41-11.SDR ASAA2022112840964Fmc · faultedFMC DISAGREE BOTH SIDES. GROUNDED - YES. TROUBLESHOT PER B737-9 IFIM 34-61-00. OBSERVED FAULT CLEARED, NO FURTHER ACTION REQUIRED.SDR ASAA2022110740695Anti-Ice Valve · faultedLEFT VALVE WING ANTI ICE LIGHT REMAINED ILLUMINATED WITH WAI SWITCH IN ON POSITION. GROUNDED - YES. R & R LT WING THERMAL ANTI-ICE VALVE ASSY REF B737-9 AMM 30-11-11. PERFORMED OPS TEST OF WING THERMAL ANTI-ICE VALVE REFAMM 30-11-11. OPS NORMAL NO LEAKS NOTED.SDR ASAA2022100440161Anti-Ice Valve · faultyDURING ENGINE RUN TEST FOUND #1 ENGINE ANTI-ICE VALVE LIGHT WOULD STAY ILLUMINATED AMBER UNTIL 68% N2 POWER, STAYS ILLUMINATED AT IDLE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE ANTI-ICE VALVE, REF B737-9 AMM 30-21-11-000-801 & 30-21-11-400-801, LEAK AND SDR ASAA2022092640075Fmc · failedLEFT FMC FAILED IN CRUISE FLIGHT AT FL340. FMC RETURNED TO NORMAL OPERATION AFTER 15-20 SECONDS. GROUNDED - YES. PERFORMED GOOD OPS CHECK OF FLIGHT MANAGEMENT COMPUTER SYSTEM REF B737-9 AMM 34-61-00-710-801.SDR ASAA2022082239593Unknown · unknownAFTER SELECTION OF WING A-ICE TO "ON" L VALVE LIGHT ILLUMINATED WITH ASSOCIATED MASTER CAUTION. GROUNDED - YES. REF ASA FTD 30-22001 AND ASA FTD 30-18001. THIS FAULT IS A KNOWN ANOMALY ESPECIALLY ON L/H WTAI VALVE DUE TO THE VULNERABILITY OF THE SENSE LINE FRESDR ASAA2022080839433Modulating Valve · inoperativeAMBER OVERHEAD MAINT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FAMV REF B737-9 AMM 36-12-03.SDR ASAA2022071839125Circuit Breaker · poppedF/O PITOT CAUTION LIGHT ILLUMINATED AT FL330. GROUNDED - YES. UPON INSPECTION FOUND C/B D5, F/O PITOT, TRIPPED. RESET C/B REFERENCE B737-9 AMM 20-60-01-860-801 C/B REMAINED SET. PERFORMED TEST OF PROBE HEATER SYSTEM PER AMM 30-31-00-730-801. ALL PROBES TEST GOSDR ASAA2022062738832Radar · false indicationWXR FAIL MSG IN FLIGHT. GROUNDED - YES. NO HISTORY OF FAULT LAST 30 DAYS. PERFORMED WXR OPERATIONAL TEST AND NO FAULTS FOUND. BITE CK SHOWS NO FAULTS WXR SYSTEM OK FOR SERVICE.SDR ASAA2022061838694Warning Light · illuminatedVTK ON F.O. SIDE FOR 30 SECONDS THEN BACK TO NORMAL. GROUNDED - YES. FOUND MAINTENACE MESSAGE: 34-69-002 NO INPUT TO FMC 2, PERFORMED B737-9 IFIM 34-61-00. MAINTENANCE MESSAGE NOT ACTIVE. INTERMITTENT FAULT NO MAINTENANCE REQUIRED.
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