N448AS
Service difficulty reports · 156
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 = 'N448AS' 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 = 'N448AS' 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 ASAA2022021237403Unknown · unknownON RECALL AFTER ENGINE START FWD CABIN ZONE TEMP LIGHT ILLUMINATED, RESET WITH MASTER CAUTION RESET. GROUNDED - YES. BOTH PFTC'S GROUND TEST PASS, NO EXISTING FAULTS. FAULT HISTORY SHOWS INTERMITTENT FAULT 21-51117, 21-51123 "PFTC CTRL INOP" ON LEG 09. CABIN TSDR ASAA2022021237402Unknown · unknownON RECALL AFTER ENGINE START CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. RESET WITH MASTER CAUTION RESET. GROUNDED - YES. BOTH PFTC'S GROUND TEST PASS, NO EXISTING FAULTS. FAULT HISTORY SHOWS INTERMITTENT FAULT 21-51117, 21-51123 "PFTC CTRL INOP" ON LEG 09. CABSDR ASAA2022021137405Modulating Valve · faultyRT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. REMOVED & REPLACED TCV REF B737-900 AMM 21-51-10-400-801. ACCOMPLISHED PFTC BITE REF AMM 21-61-00-740-801-002. OP CK GOOD WITH NO FAULTS. GROUND VERIFICATION SUCCESSFUL.SDR ASAA2022010437083Valve · leakingON PDC WALK AROUND FOUND A FUEL LEAK #2 ENGINE. GROUNDED - YES. PERFORMED ENG VENTS AND DRAIN INSPECTION ON #2 ENGINE. REF B737-900 AMM 71-71-00-200-801-F00. FOUND HPTACC LEAKING FUEL 60 DROPS A MINUTE. RUN #2 ENG. IDLE POWER FOR 5 MINUTES. NO LEAK FOUND ASDR ASAA2021112336725Battery Pack · dischargedWHEN EMERGENCY EXIT LIGHTS ON WITH NO AC POWER ON 3 MID CABIN LIGHTS EXTINGUISHED AND 1 OVERWING AC-R EXTINGUISHED 20 SEC AFTER INITIAL ILLUMINATION. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE POWER SUPPLY & BATTERY PACK ASSY OPS CHECK GOOD IAW B737-900SDR ASAA2021112336724Lamp · burned outMULTIPLE BULBS OUT IN AFT GALLEY EMERGENCY LIGHT PANELS. GROUNDED - YES. RELAMPED AFT GALLEY EMERGENCY EXITS SIGNS OPS CHECK GOOD IAW B737-900 AMM 33-51-01-960-801.SDR ASAA2021112136669Battery Pack · inoperativeBOTH AFT (L2 AND R2) EMERGENCY BATTERIES TEST BAD. GROUNDED - YES. REMOVED AND REPLACED LEFT AND RIGHT AFT BATTERY PACKS AND POWER SUPPLIES, S/N 414761 & S/N 412851. OPS CK GOOD IAW B737-900 AMM 33-57-06-960-805 STEPS 4.E(1-3(E))(4-6), F(4) AND AMM 33-51-06-96SDR ASAA2021110436635Shield · corrodedAFT CARGO SHEILD AT RBL 21 CORRODED BETWEEN STA 767 TO STA 792. GROUNDED - YES. BLENDED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-60-15-1A-1 REPLACED SHEILD IAW B737-900 SRM 51-40-02-0G-0.SDR ASAA2021110436634None · corrodedFWD CARGO TRANSITION PNL LBL 21 CORRODED BETWEEN STA 500C + 16 TO STA 500L. GROUNDED - YES. REPAIRED FWD CARGO TRANSITION PNL AT LBL 21 BETWEEN STA 500C+16 TO STA 500L IAW B737-900 SRM 53-00-53-2R-5 DUE TO TRANSITION HAVING 100% MAT LOSS.SDR ASAA2021110436556None · corrodedAFT CARGO TRANSITION AT RBL-21 CORRODED MULTIPLE AREAS BETWEEN STA 727I+8 TO STA 767. GROUNDED - YES. REPAIRED AFT CARGO TRANSITION AT RBL-21 BETWEEN STA 727I+8 TOS STA 767 IAW B737-900 SRM 53-00-53-2R-5 CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-SDR ASAA2021101536313Actuator · faultyFOLLOW UP TO HISTORY OF LEFT PACK LIGHT ILLUMINATING ON MASTER CAUTION RECALL WITH SUCCESSFUL RESET. GROUNDED - YES. FOUND FAULT CODE 21-51406 SRADA EXIT IN FAULT HISTORY ON 5+ PREVIOUS LEGS INCLUDING 00. PERFORMED GVI OF L/H PACK RAM AIR SYS. AND HEAT EXCHANGSDR ASAA2021100336202None · noneLEFT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED WHEN MASTER CAUTION RESET BUTTON WAS PUSHED. GROUNDED - YES. PERFORMED PACK FLOW TEMPERATURE CONTROLLER BITE PER B737-900 AMM 21-61-00-740-801-002 FAULTS EXIT SRADA ACTUATOR. REMOVED LH RAM AIR EXHAUST ACTUATSDR ASAA2021091135951Modulating Valve · faultedL "PACK" DURING RECALL, RESET WITH MASTER CAUTION DURING QRH. GROUNDED - YES. REMOVED AND REPLACED LH PACK AIR MODULATING VALVE PER B737-900 AMM 21-61-21-400-801. OPS CK GOOD.SDR ASAA2021082335772Fmc · faultedLOST RIGHT FMC IN FLIGHT (1 HOUR INTO FLIGHT) FOLLOWED QRH & WE STAYED IN SINGLE FMC (LEFT ON, BOTH ON LEFT). GROUNDED - YES. RELEASED PER MEL 34 -36J RIGHT HAND FMC INOP AUTHORIZED BY SEAMC DAN @ 0015Z.ENROUTE MEL - ACCOMP B737-900 FIM TASK 34-61 #836 SYS RESSDR ASAA2021081935770Actuator · disengagedAUTOPILOT A DISENGAGED IMMEDIATELY AFTER SELECTION 4 TIMES DURING FLIGHT, AUTOPILOT B OPERATION WAS NORMAL. GROUNDED - YES. (RESOLVED ON W/O: 1882673 TASKCARD: N/R-00001 ) REMOVED AND REPLACED AILERON ACTUATOR FOR CHANNEL "A" AUTOPILOT IAW B737-900 AMM 22-11-2SDR ASAA2021080335613Autopilot Sys · faultedAUTO PILOT "A" WILL NOT STAY ENGAGED. GROUNDED - YES. ACCOMPLISHED DFCS BITE PROCEDURE REF B737-900 FIM 22-11 TASK 801 FOR CHANNEL A. BITE TESTS PASSED. NO ACTIVE FAULTS IN CURRENT STATUS CHECK. THE 2 FAULTS THAT WERE STORED IN HISTORY ALL PASSED LRU TESTS RELSDR ASAA2021051534843Position Sensor · failedAUTOPILOT A WILL NOT REMAIN ENGAGED. GROUNDED - YES. REMOVED AND REPLACED AILERON POSITION SENSOR IAW B737-900 AMM 22-11-29-000-801 AND AMM 22-11-29-400-801 AND ADJUSTED IAW AMM 22-11-29-820-800, OPS CHECK GOOD. THE LMM TESTS AND LLM STATUS OF AIRCRAFT AND THESDR ASAA2021050634756Circuit Breaker · trippedL ALPHA VANE ILLUMINATED. GROUNDED - YES. RELEASED PER MEL 30-8B LEFT ALPHA VANE HEAT INOP. INITIAL T/S FND LFT ALPHA VANE C/B OPEN. OPENED PANEL AND GVI BACK OF C/B. NO PROBLEMS FND. CLOSED PANEL AND C/B. DID B737-900 FIM 30-31 TASK 804. TURNED ON PITOT HEATSDR ASAA2021013133987Controller · faultyR FORWARD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED AT GATE. GROUNDED - YES. FOUND LRU FAULT DURING BITE PROCEDURE. REMOVED AND REPLACED WINDOW HEAT LRU. REF B737-900 AMM 30-41 TASK 801. OK FOR SERVICE. BITE PROCEDURE PASSED.SDR ASAA2020112533601Control Valve · faultyDURING CRUISE AT FL 360 CABIN RATE OF CLIMB CYCLES FROM +400 TO -300 FPM EVERY 3O SECONDS. THE CABIN PRESSURE DIFFERENTIAL AND CABIN ALTITUDE DO NOT FLUCTUATE. WE TRIED TO ALTERNATE CONTROLLER AND THE RATE OF CLIMB CYCLE REMAINED UNCHANGED. DUCT PRESSURE WASDR ASAA2020101633372Windshield · overheatedLEFT FORWARD WINDOW HEAT LIGHT ILLUMINATED ON CLIMB OUT. PERFORMED QRH PROCEDURE AND LIGHT REMAINED EXTINGUISHED UNTIL AFTER LANDING SEATTLE. AFTER LANDING, LEFT FORWARD WINDOW HEAT ILLUMINATED AGAIN. GROUNDED-YES. REMOVED AND REPLACED LEFT FORWARD WINDOW (SDR ASAA2020101433353Sensor · malfunctionedL1 WINDOW OVERHEAT ON GROUND 16 DEGREES C OUTSIDE TEMP. GROUNDED-YES. BITE CHECKED M321 WHCU. LT FRONT FAULT FAULTS SENSOR, REF B737-900 FIM 30-41 TASK 801 REF FIM 30-41 TASK 812 & B737-900 AMM 30-41-11. SELECTED OVERRIDE MODE UTILIZING THE SPARE SENSOR. SDR ASAA2020030632361Control Unit · failedLEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON FINAL APPROACH. GROUNDED - YES. (WHCU BITE PROCEDURE REF FIM 30-41 TASK 801 FAULT HISTORY SHOWS WHCU-LRU FAIL. PER B737-900 FIM 30-14 TASK 807, REQUIRES WHCU (M321) P/N 83000-27904, NIS @ LAX AS46962. AS REQ'DSDR ASAA2020030432349Warning System · false activationFWD LEFT WINDOW HEAT OVERHEAT IN FLIGHT ACCOMPLISHED QRH AND LIGHT STAYED EXTINGUISHED. GROUNDED - YES. REF B737-900 FIM 30-41 TASK 801, 30-41 TASK 812. WHCU SHOWS NO CURRENT FAULTS, HISTORY SHOWS VARIOUS #1 WINDOW SENSOR FAULT LT. ACCOMPLISHED WHCU OVERRIDE MSDR ASAA2020010631791Control Unit · malfunctionedSECOND WRITE UP OF RIGHT SIDE WINDOW HEAT OVERHEAT ILLUMINATED AND EXTINGUISHED PER QRH IN CLIMBOUT. GROUNDED - YES. ACCOMPLISHED WINDOW HEAT CONTROL UNIT BITE PROCEDURE REF B737-900 FIM 30-41 TASK 801. FOUND ON NO1 WHCU WINDOW #1 P5-9 FAULT AND ON NO2 WHCU WISDR ASAA2020010231748Warning System · false activationRIGHT SIDE WINDOW HEAT OVERHEAT ILLUMINATED AND EXTINGUISHED WHEN RESET PER QRH. GROUNDED - YES. PERFORMED OPS CHECK WINDOW HEAT REF B737-900 AMM 30-41-11 OPS CHECK NORMAL.SDR ASAA201912231683Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 #2 ENGINE FOUND 5 SPACERS WITH ELASTROMERIC MATERIAL DISBONDED. GROUNDED - YES. REPLACED SPACERS WHILE ACCOMPLISHED T/C 78472010 FAN BLADE LUBE OF #2 ENG.SDR ASAA2019121951626Warning Message · false activationAT TOP OF CLIMB " R SIDE WINDOW OVERHEAT ILLUMINATED" COMPLIED WITH QRH. OPS NORMAL THEREAFTER. GROUNDED - YES. ACCOMPLISHED WHC BIT PER B737-900 AMM 30-41-00 WITH NO FAULTS. CHECKED TERMINAL FOR CORROSION WITH NO FAULTS FOUND OPS CHECK GOOD.SDR ASAA2019121643610Warning Light · false activationAFTER 5-10 MIN IN CRUISE FLIGHT AT FL 340, R SIDE WINDOW HEAT ANNUNCIATOR ILLUMINATED. FOLLOWED QRH AND CYCLED SWITCH OFF FOR 5 MINUTES,THEN BACK ON. LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. ACCOMPLISHED WHC BITE WITH NO CURRENT FAULTS. CONTOLLER HAD LOGGESDR ASAA2019110231206Warning System · false activationRIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED IN FLIGHT. INITIATED QRH 3.5, AND OVERHEAT LIGHT REMAINED OFF. GROUNDED - YES. INITIATED RESET PER QRH 3.5, AND OVERHEAT LIGHT REMAINED OFF.SDR ASAA2019102931182Bleed Valve · leakingDURING PDC DURING AROUND, FOUND #2 ENG TBV DRAIN LINE LEAK WITH 1 DROP PER MINUTE. GROUNDED - YES. REMOVED AND REPLACED #2 TBV PER B737-900 AMM 75-23-01-400-801-F00. PERFORMED TEST LISTED. NO LEAKS FOUND. NO DEFECTS NOTED.SDR ASAA2019102863124Warning Message · false activationWINDOW HEAT R SIDE OVERHEAT. GROUNDED - YES. ACCOMPLISHED RESET PER QRH. LT STAYED OFF AFTER CHEKLIST COMPLETED.SDR ASAA2019102843125Warning Light · false activationRIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT RE-SET SWITCH TO ON NORMAL OPERATION AFTER RE-SET PER QRH. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 811 NO FAULTS WERE NOTED. SYSTEM OPS NORMAL.SDR ASAA2019101423105Keyboard · stickingF/O FMS R5, R6 KEYS STICKY (MCDU UNIT). GROUNDED - YES. REPLACED F/O'S FMCS CDU KEYBOARD REF B737-900 AMM 34-61-01-000-801/400-801. OPS CHECKS OK.SDR ASAA2019072230159Unknown · malfunctionedAPU ELECTRIC POWER INOP. GROUNDED - YES. PERFORMED OPERATIONAL TEST FOR AC GENERATION AND CONTROL SYSTEM REF AMM 24-21-00-700-803. OPS CKS GOOD NO FAULTS. VISUALLY EXAMINED (GVI) OF APU COMPARTMENT AND HARNESSES. NO FAULTS FOUND. PERFORMED APU BITE LOOKING FORSDR ASAA2019071630094Warning System · false activationRT SIDE W/S OVERHEAT ILLUMINATED RAN QRH PROCEDURE- WINDOW OVERHEAT LIGHT ILLUMINATES AGAIN. GROUNDED - YES. REF FIM 30-41 TASK 811. WHCU SHOWS RIGHT SIDE WINDOW SENSOR #1 FAULT IN FLIGHT HISTORY, NO CURRENT FAULTS. RESISTANCE VALUES WERE WITHIN LIMITS, COULD SDR ASAA2019071630093Warning System · false activationRIGHT SIDE WINDOW HEAT OVERHEAT ILLUMINATED. GROUNDED - YES. RESET PER QRH. DID NOT COME ON AGAIN AFTER RESET.SDR ASAA2019071630092Warning System · false activationRT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED AT CLIMB FL320 ON WAY TO FL330. GROUNDED - YES. RAN QRH, LIGHT WENT OUT AFTER 3 MIN.SDR ASAA2019071430071Control Unit · intermittentRIGHT SIDE WINDOW HEAT OVERHEAT AT FL320 RAN QRH OVERHEAT LIGHT STAYED EXTINGUISHED. GROUNDED - YES. ACCOMPLISHED TSR. ON BITE OF WHCU FOUND #2, SENSOR #1 FAULT ON M321. RESISTANCE CHECK OF TEMP. SENSOR GOOD. REPLACED R2 WHCU M321. OPS CK GOOD, NO FAULTS REMAISDR ASAA2019071430031Warning System · false activationWINDSHIELD WINDOW HEAT RIGHT SIDE OVERHEAT LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. PERFORMED FIM TASK 30-41/801 W/ NO FAULTS FOUND ON LT OR RT WHCU. OPS SATIS. OK FOR SERVICE.SDR ASAA2019071330037Warning System · false activationWINDOW OVERHEAT CAUTION LIGHT ILLUMINATED INFLIGHT AT FL310. GROUNDED - YES. RESET PER QRH PROCEDURE.SDR ASAA2019071330034Warning System · false activationRIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON DESCENT INTO LAX WHILE LEVELING AT 7000-. GROUNDED - YES. QRH FOLLOWED OVERHEAT LIGHT REMAINED EXTINGUISHED WHEN WINDOW HEAT SWITCH PLACED BACK ON.SDR ASAA2019071230039Warning System · false activationAFTER CLIMBOUT, LEVELING AT FL320, RT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED QRH PROCEDURE, AND OVERHEAT LIGHT REMAINED EXTINGUISHED.SDR ASAA2019071230033Warning System · false activationRIGHT SIDE WINDOW OVERHEAT LIGHT ILLUM 5 MINUTES AFTER TOP OF CLIMB AT FL310. SAT -34C. IAS 288/.78M. GROUNDED - YES. IAW QRH, TURNED SWITCH OFF WAITED 5 MIN, THEN TURNED BACK ON. OVRHT LT REMAINED EXTINGUISHED.SDR ASAA2019071130040Warning System · false activationSHORTLY AFTER LEVEL OFF THE RIGHT SIDE WINDOW OVERHEAT LT ILLUMINATED AFTER FOLLOWING THE QRH PROCEDURE IT REMAINED OFF HENCE THIS INFO ONLY WRITE UP. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE FOR RIGHT SIDE WINDOW. BITE CHECK OK, NO FAULTS FOUNDSDR ASAA2019071130038Warning System · false activationDURING CLIMBOUT PASSING FL270, RIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. CREW FOLLOWED QRH PROCEDURES AND OVERHEAT LIGHT REMAINED OFF.SDR ASAA2019070929986Unknown · malfunctionedAT GLIDESLOPE CAPTURE AUTOPILOT B ON LOST GLIDESLOPE INDICATION ON BOTH PFD. LOCALIZER MOVED FULL RIGHT AND CAME BACK TO CENTER BACKWARDS. GROUNDED - YES. WHILE ON L NAVAPP FMC SHOWS FAULT MSG 22-11822 DURING DFCS FAULT REVIEW FOR B A/P. REF FIM 22-11 TASK 801SDR ASAA2019063029888Warning System · false activationRIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON CLIMB OUT. GROUNDED - YES. RAN QRH LIGHT REMAINED OUT.SDR ASAA2019061879731Warning Light · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED WITH MASTER CAUTION. ZONE TEMP LIGHT DID NOT ILLUMINATE ON MASTER RECALL DURING TOP ON DESCENT CHECKLIST. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 842. OPERATED LEFT AIR CONDITIONING PACK FOR FIVE MINUTES REFERESDR ASAA2019061742976Warning Light · false activationR2 WINDOW HEAT OVERHEAT. GROUNDED - YES. WHCU BITE TEST PASSED TEST OK REF B737-900 FIM 30-41 TASK 801, PERFORMED RESISTANCE TEST OF WINDOW HEAT FILM & WINDOW TEMP SENSOR BOTH TEST PASSED WITHIN LIMIT REF B737-900 AMM 30-41-21, PERFORMED WINDOW HEAT TEST NORMA
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