N431AS
Service difficulty reports · 360
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 = 'N431AS' 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 = 'N431AS' 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 ASAA2021021034074Sensor · shortedRAMP REPORTS APU MAKING BACKFIRE NOISE. GROUNDED - YES. REF TSR 710486, ACCOMPLISHED BITE CHECK OF APU IAW B737-900 FIM 49-55 TASK 806. SHOWED SEVERAL OCCURENCES OF MAINT MSG 49-61223, "INLET TEMP SENSOR SHORT CIRCUIT". REMOVED AND REPLACED APU INLET TEMP SENSSDR ASAA2021020634061Sensor · shorted1 MIN AFTER SHUTDOWN OF APU ON TAXI OUT; APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED APU BITE PROCEDURES CURRENT STATUS PAGE SHOWED 1 FAULT ONLY MSG 49-61223 INLET TEMP SENSOR SHORT CIRCUIT REF B737-900 AMM 49-60 TASK 801. ACCOMPLISHED INLET TEMP SESDR ASAA2021020334012Generator · inoperativeTWO ATTEMPTS TO START APU RESULTED IN TWO APU FAULTS, NO START. GROUNDED - YES. R & R STARTER-GENERATOR IAW B737-900 AMM 49-41-21 REF B737-900 FIM 49-40 TASK 803. APU OPS AND LEAK CHECKED GOOD. STARTER-GENERATOR PART NUMBER VERIFIED. REF DEFECT 60035943 FSDR ASAA2021012833977Converter · faultedAPU CSS FAILED 1ST ATTEMPT FL 400 WITH LOW OIL PRESS LIGHT THAT EXTINGUISHED, 2ND ATTEMPT FL 400 WITH FAULT LIGHT THAT EXTINGUISHED, 3RD ATTEMPT FL 320 WITH FAULT LIGHT THAT EXTINGUISHED. GROUNDED - YES. WHEN THE APU IS ON THE GROUND NON COLD SOAKED IT STARTS SDR ASAA2021010433821Sensor · faultedR2 WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMB. FOLLOWED QRH PROCEDURE. LIGHT EXTINGUISHED FOR APPROXIMATELY 5 MINUTES THEN ILLUMINATED AGAIN. TURNED SWITCH OFF FOR REMAINDER OF FLIGHT. GROUNDED-YES. ACCOMPLISHED RT SIDE WINDOW HEAT CONTROL BITE. SENSSDR ASAA2021010333799Warning Light · false activationRIGHT SIDE WINDOW HEAT QRH EXTINGUISHED OCCURRED DURING CLIMBOUT. GROUNDED-YES. PERFORMED B737-900 FIM 30-41 TASK 801 NO FAULT NOTED. FAULT WAS INTERMITTENT.SDR ASAA2021010133802Warning Message · false activationAFTER TAKE OFF PASSING THRU 9000' RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED-YES. FOLLOWED RESET PROCEDURE, PER QRH. AFTER TURNING HEAT BACK ON LIGHT EXTINGUISHED.SDR ASAA2021010133798Controller · faultedAT 110 ONE HOUR 10 MIN INTO FLT AT CRUISE 300 FLT LEVEL OAT -41C RIGHT SIDE WINDOWS OVERHEAT LIGHT ILLUMINATED AGAIN 2ND TIME THIS FLT QRH FOLLOWED AFTER TURNING HEAT BACK ON OVERHEAT LIGHT EXTINGUISHED. GROUNDED-YES. PERFORMED B737-900 FIM 30-41 TASK 801 (WSDR ASAA2020123033788Warning Light · false activationDURING CLIMB R SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH AND AFTER TURNING HEAT BACK ON THE OVERHEAT LIGHT REMAINED EXTINGUISHED. GROUNDED-YES. PERFORMED WINDOW HEAT BITE CHECKED, OPERATIONS NORMAL. LIGHTS REMAINED OFF, REF B737-900 FIM 30-41 TASDR ASAA2020122633751Warning Light · false activationRIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMBOUT. COMPLETED QRH PROCEDURE FOR WINDOW OVERHEAT. LIGHT REMAINED EXTINGUISHED AFTER RESET. GROUNDED-YES. COMPLETED QRH RESET PROCEDURE FOR WINDOW OVERHEAT. LIGHT REMAINED EXTINGUISHED AFTER RESET.SDR ASAA2020122533771Control Valve · inoperativeLEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL (AFTER START CHECKLIST). GROUNDED-YES. REMOVED AND REPLACED LEFT PACK TEMP CONTROL VALVE, IAW B737-900 AMM 21-51-10. OPERATIONS AND LEAK CHECK GOOD.SDR ASAA2020120433651Shutoff Valve · leakingFOLLOW-UP TO REPORT OF LOW LEFT DUCT PRESS AT IDLE. GROUNDED-YES. ACCOMPLISHED NR 1 ENGINE BLEED AIR SYS HEALTH CHECK, PER T/C NG-36WC-00002-1. NO FAULTS FOUND FROM T/C. DURING LEAK CHECK OF PNEUMATIC LINES FOUND PRSOV OPENING WITHOUT HAVING TO WRENCH OPENSDR ASAA2020120333645Regulator · faultedAFTER ENGINE START LEFT BLEED AIR DUCT PRESSURE INDICATES 10 PSI WITH THRUST LEVER AT IDLE AND ENGINE ANTI ICE SWITCHES OFF. GROUNDED-YES. VERIFIED FAULT WITH ENGINE RUN AT IDLE. R & R HP VALVE, IAW B737-900 AMM 36-11-06-400-801. R & R HIGH STAGE REG, IAW SDR ASAA2020111033537Valve · failedDURING FLIGHT, LEFT DUCT PRESSURE STABILIZED AT 11 PSI AT IDLE. GROUNDED-YES. PERFORMED NR 1 ENGINE BLEED AIR SYSTEM HEALTH CHECK, REF B737-900 AMM 36-11-00. FOUND HIGH STAGE VALVE BAD. REMOVED AND REPLACED HIGH STAGE VALVE, REF AMM 36-11-06. OPERATIONS CSDR ASAA2020101533375Wire Harness · damagedMW0311 HARNESS FOUND CHAFED BY J10 HARNESS. GROUNDED-YES. REMOVED AND REPLACED MW311, REF B737-900 AMM 73-21-06-000-802-F00 AND AMM 73-21-06-400-802-F00. OPERATIONS TEST REQUIRED. AAVM VIBE OPERATIONS TEST PASSED, REF AMM 77-31-00. FADEC SYSTEM TEST PASSEDSDR ASAA2020101533366Solenoid · failedNR 1 ENGINE GROUND WING TAI SOLENOID VALVE TEST FAILED STEP F(2)D). GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE GROUND WING THERMAL ANTI-ICING SOLENOID VALVE, REF B737-900 AMM 30-11-12. OPERATIONS CHECK GOOD.SDR ASAA2020101533360Connector · damagedFOUND CH B CONNECTOR DAMAGED DURING HPTACC REMOVAL. J10 HARNESS REQ REPLACEMENT. GROUNDED-YES. REF L/P 60158705 FOR ALTERNATE DEACTIVATION PROCEDURES, REMOVED AND REPLACED J10 HARNESS, REF B737-900 AMM 73-21-06-00-802-F00 AND B737-900 AMM 73-21-06-400-802-FSDR ASAA2020092233216Ignition Sys · openAPU FAULT ILLUM DURING ATTEMPTED START. GROUNDED-YES. CONFIRMED APU NO START AND FUEL FLOW. MX FAULT 49-41181 REPORTED. REPLACED APU IGNITION UNIT, IAW B737-900 AMM 49-41-31. GROUND VERIFICATION OPS CHK GOOD.SDR ASAA2020081213010Fmc · failedLEFT FMC APPEARED TO FAIL FOR 3-4 MINUTES THEN RESET. OBS INDICATIONS REPEATED 3 TIMES, LAST ONE PUT FMC SW TO FMC "R", VTK ON LEFT ND, NO FMC DATA ON LEFT ND, BOTH MCDU'S HAD NO FMC PROMPT, RIGHT ND NORMAL. GROUNDED - YES. ACCOMPLISHED FMC BITE, BITE SHOWS FMSDR ASAA2020070632873Acm · failedAFTER ENGINE START, RT PACK TEMP WENT TO 100 C FOLLOWED BY PACK LIGHT THAT WOULD NOT RESET. GROUNDED - YES. FOUND THE RT ACM LOCKED UP BLADE MISSING. REMOVED AND REPLACED RT PACK ACM PER AMM 21-51-04/401. LK CK GOOD, RT PACK OPS GOOD REF AMM 21-51-04.SDR ASAA2020070632859Unknown · malfunctionedRT PACK TRIPPED LIGHT ILLUMINATED. WOULD NOT RESET ON MASTER RECALL. GROUNDED - YES. ACCOMPLISHED RT HAND PACK BITE REF FIM 21-62 TASK 801 FOUND RT TCV FAULT. RELEASED PER MEL 21-33E RT PACK TCV INOP. NR 1 & NR 2 PACK/ZONE TEMP CTL NORMAL (BITE TEST) RT PSDR ASAA2020062432831Unknown · malfunctionedCONT CAB ZONE TEMP LIGHT ON MASTER CAUTION RECALL. GROUNDED - YES. FLT DECK PRIMARY TEMP CONTROL INOP. NR 2 PZTC LOGGED "FLT DECK TRIM VALVE". PERFORMED FIM 21-62 TASK 832. ETOPS GRD VERIFICATION NML, REF FIM 21-62 TASK 801.SDR ASAA2020051132715Oil Cooler · leakingFOUND EVIDENCE OF OIL LEAKAGE FROM #2 ENGINE IDG AIR/OIL COOLER. GROUNDED - YES. REPLACED #2 ENGINE IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21. LEAK CHECK GOOD.SDR ASAA2020051132712Switch · failedREF L/P 12301081. DURING ACCOMPLISHING LAND VERIFY (AUTOLAND) FAULT MSG 22-11125. GROUNDED - YES. VERIFIED FAULTS 22-11125 AND 22-11126 DURING BITE LIBRARY TEST 60.32. REPLACED THE ELEVATOR SENSOR REF B737-900 AMM 22-11-30/401. COMPLETED ADJUSTMENT. NO HELP TOSDR ASAA2020042032655Wire Harness · faultyGE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED #1 CJ9 HARNESS, REF B737-900 AMM 73-21-06-000-803. CJ9 HARNESS ON ENG #1 INSTALLED. OPERATIONAL CHECKS GOOD ASDR ASAA2020040932626Control Panel · failedF/O COURSE WINDOW SEGMENTS IMPROPERLY ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED DFGC MODE CONTROL PANEL. OPS CKS GOOD/ F/O COURSE SEGMENTS OPERATE NORMALLY, ALL TESTS PASS REF B737-900 AMM 22-11-34-400-801. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SDR ASAA2020033132581Unknown · malfunctionedAFTER HAVING A "VTK" AND "MAP" ILLUMINATED ON CAPT ND, RAN THE QRH AND WAS ABLE TO RESTORE DUAL FMC OPERATION. GROUNDED - YES. COULD NOT DUPLICATE FAULT ON EITHER FMC-1 OR FMC-2. OPS TEST NORMAL. REF B737-900 FIM 34-61 TASK 807.SDR ASAA2020040132582Modulating Valve · failedON RECALL "AIR COND" ZONE TEMP LIGHT ILLUMINATED FOR CONT CABIN. IT WILL RESET WITH THE MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE REF B737-900 AMM 21-61-21. BITE TEST GOOD, LEAK CHECK GOOD, OPS CHECK GOOD. GROUND VERIFSDR ASAA2020022482246Generator · faultedDURING ATTEMPTED APU START AFTER LANDING. APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED START POWER UNIT REF B737-900 AMM 49-41-71-00-801 & 49-41-71-400-801, APU REMAINED INOP. REMOVED AND REPLACED APU START-GENERATOR. PART VERIFIED REF B73SDR ASAA2020022072220Starter Gen · inoperativeAFTER START APU WOULD NOT COME ON BUSSES. BLUE "APU GEN OFF BUS " IS ILLUMINATED BUT 0 VOLTS AND FREQ. GROUNDED - YES. WORKED IN CONJUNCTION W/ LOGPAGE 12163865 REMOVED AND REPLACED STARTER GENERATOR REF B737-900 AMM 49-41-21-400-801.SDR ASAA2020021083125Display · malfunctionedIN CRUISE CAPTAIN'S MCDU WENT BLANK FOR ABOUT 30 SECONDS. MCDU "CALL", "FAIL", "MSG", AND "OFST" AS WELL AS "EXEC" LIGHT ILLUMINATED. NO OTHER INDICATIONS AND MCDU OPERATED NORMALLY AGAIN UNTIL LANDING. AFTER LANDING, BOTH FMCS LOST FMC INFORMATION AND "SINGLESDR ASAA2020012753957Warning Light · false activationON PUSH BACK, DURING RECALL, RT PACK ILLUMINATED. GROUNDED - YES. PERFORMED PTC BITE NR 2 IAW FIM 21-62, TASK 801. FOUND EXIT FAULT. PERFORMED AN ACTUATOR INTERNAL FAULT MEMORY RESET IAW FIM 21-61 TASK 854. 3 BREAKERS PULLED AND RESET.SDR ASAA2020010831810Unknown · malfunctionedAPU WILL NOT START. GROUNDED - YES. CK'D AND REL PER MEL 49-1B. FAULT MESSAGE 49-41012 NO APU ROTATION SHUTDOWN. NO EVIDENCE OF HEAT DAMAGE OR DELAMINATION. STARTED APU AND PERFORMED BITE CHECK OF CDU NO CURRENTS FAULTS LOGGED. STARTED APU 5 TIMES WITH NO ISSUSDR ASAA2019120931555Bulb · burned outEMERGENCY LIGHT EXIT LOCATOR SIGN ADJACENT TO RIGHT AFT OVERWING EXIT IS INOP. GROUNDED - YES. RELAMPED AND TESTED PER B737-900 AMM 33-51-01-960-801 - OPS NORMAL.SDR ASAA2019120971536Fmc · malfunctionedRIGHT FMC FAILED IN CRUISE. RAN FMC FAIL CHECKLIST WITH NO IMPROVEMENT. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61-TASK 836 RT FMC OPS CKS NML.SDR ASAA2019120513476Fmc · inoperativeR-FMC FAILED FOR A SHORT TIME (ABOUT 1 MIN). GOT VTK AND MAP FLAGS. BY THE TIME WE PULLED OUT THE CHECKLIST IT FIXED ITSELF. FL340 10.79 MACH. GROUNDED - YES. PERFORMED #2 FMC BITE. ETHERNET-2 WRAP FAILURE CODE ON NUMEROUS LEGS; HARDWARE FAILURE. AIRCRAFT CHECSDR ASAA2019112203413Fmc · faultedFMC DISAGREE- VERTICAL LIGHTS ILLUMINATED FOR ABOUT 3 MINUTES ON APPROACH. FMC SINGLE OPERATION ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMP FMC BITE ALL SENSORS SHOW OK. INFLT FAULT SHOW R FMC PGM INTERMITTENT FAULT. CYCLED PWR TO A/C. ACCOMP FMC OPS TESSDR ASAA2019111281289Valve · failed#1 ENG SELECTED ENGINE ANTI ICE ON- HOWEVER YELLOW TAI ILLUMINATED NEXT TO #1 ENG N1 GAUGE AND BLUE COWL VALVE OPEN LIGHT STAYED ON BRIGHT. LANDING WT 150,100 LBS RATE OF DECENT LESS THAN 200' FEET PER MINUTE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE COLSDR ASAA2019110331217Wire Harness · wornWHILE PERFORMING #2 ENGINE HARNESS GVI PER TC842001 ON W/O 1008768, FOUND FIRE DETECTION HARNESS MW0325 WORN THROUGH BRAIDING BEYOND ACCEPTABLE LIMITS. GROUNDED - YES. REMOVED AND REPLACED FIRE DETECTION HARNESS MW0325 PER B737-900 AMM TASK 26-11-02-400-802. PSDR ASAA2019101651023Warning Flag · false activationMAP FLAG ON FO NAV DISPLAY. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836 RESET FT FMC & MAP FLAG EXTINGUISHED. DO FAULTS.SDR ASAA2019091130661Connector · dirtyDIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS AN INCREASE IN DELTA EGT AND A DECREASE IN HOT DAY MARGIN. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED TASK CARD 78273000, ONE FAULT FOR #1 ENGINE, 77-10851 THE BOTSDR ASAA2019071330025Oil Cooler · leakingFOLLOW-UP TO #2 ENGINE IDG FREQUENT SERVICING. GROUNDED - YES. UPON FURTHER INSPECTION FOUND EVIDENCE OF OIL IN TR NEAR 7 O'CLOCK BLOCKER DOOR AND STREAKING FWD FROM THE IDG AIR/OIL COOLER. PRECAUTIONARY PERFORMED IDG OIL STATIC LEAK CHECK AND FOUND MINIMAL PRSDR IU6R2019060601Ballscrew · leakingBALL SCREW ASSY WAS LEAKING GREASE FROM RETURN TUBES. FOUND INCORRECTLY SEALED. REMOVE FROM HSTA AND SEND TO MFG FOR REPAIR.SDR ASAA2019060549584Warning Flag · false indicationCAPTAINS FLIGHT DIRECTOR WARNING FLAG (FD) ON. GROUNDED - YES. PERFORMED B737-900 FIM 22-11 TASK 801 DFCS BITE PROCEDURE, NO FAULTS SHUT DOWN POWER TO AIRCRAFT AND RESTARTED POWER UP WITH FD WORKING PROPERLY AND WARNING FLAG IS NO LONGER SHOWING.SDR ASAA2019050629343Transition Panel · corrodedFWD CARGO RT TRANSITION PANEL FROM 500I-500L CORRODED. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.SDR ASAA2019050329368Angle · corrodedAFT CARGO COMPARTMENT LEFT AND RIGHT LOWER TRANSITION STRUCTURES, FROM STATION 807 TO 727A HAVE NUMEROUS AREAS WITH CORROSION. GROUNDED - YES. REMOVED AND REPLACED TRANSITION ANGLES IAW SRM 53-00-53 AND BAC DWG 146A7500, REV.-SDR ASAA2019050329364Support Angle · corrodedFWD CARGO COMPT. STA 500L, AFT FLOOR PANEL SUPPORT ANGLE HAS SPOTS OF CORROSION GROUNDED - YES. REMOVED SUPPORT ANGLE IAW (EXCEEDED LIMITS) SRM 51-40-02 LOCATED AND DRILLED NEW SUPPORT IAW SRM 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A9481.SDR ASAA2019050329356Transition Panel · corrodedFWD CARGO COMPT. LT STA 500F-500H, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.SDR ASAA2019050329355Transition Panel · corrodedFWD CARGO COMPT. RT STA 500D-500B, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.SDR ASAA2019050329354Transition Panel · corrodedFWD CARGO COMPT. LT STA 500D-500, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.
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