N423AS
Service difficulty reports · 262
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 = 'N423AS' 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 = 'N423AS' 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 ASAA2019072630218Unknown · malfunctioned#1 ENGINE VIB INDICATION BLANKING INT. GROUNDED - YES. PERFORMED AVM SIGNAL CONDITIONER BITE PER FIM 77-31 TASK 801. FOUND NO CURRENT FAULTS. PERFORMED FAULT HISTORY AND FOUND NO FAULTS FOR ENGINE VIBE INDICATION. FOUND FAULT N2 TACHO LOSS E1. PERFORMED FIM 77SDR ASAA2019062829864Wire Harness · brokenFOUND BROKEN FIRE DETECTION HARNESS ON ENG 2. GROUNDED - YES. REMOVED AND REPLACED MW0326 HARNESS IAW AMM 26-11-02. OPS CHECKS GOOD IAW AMM 26-11-00. ETOPS GROUND VERIFICATION GOOD.SDR ASAA2019060329561Warning Light · false activationNUMBER 1 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED BITE TEST PER B737-900 FIM 73-06 TASK 801. NO FAULTS FOUND. PERFORMED ENGINE RUN EEC BITE CHECK, NO FAULTS WERE FOUND, LIGHT REMAINED OFF. GROUND VERIFICATION WAS GOOD.SDR ASAA2019060329547Actuator · faultedL PACK ILLUMINATED ON RECALL AFTER START EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LEFT RAM AIR ACTUATOR IAW B737-900 AMM 21-51-21/401. PZTC 1&2 BITE TESTED GOOD W/O FAULTS. LEFT PACK OPS CHECKED NORMAL ON GND.SDR ASAA2019052729518Warning System · false activationLEFT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONT BITE TEST REF AMM 21-61-00 SYSTEM OP CHECKS GOOD NO DEFECTS NOTED AT THIS TIME.SDR ASAA2019052229494Probe · out of toleranceWHILE PERFORMING T/C 78273000 FOUND MGS NR: 75-20832. THE T3 SIGNAL IS OUT OF RANGE ON #2 ENGINE. LONG TERM FAULT. GROUNDED - YES. INTERROGATED CDU. FAULT CODE STILL ACTIVE. REMOVED AND REPLACED THE #2 ENGINE T3 PROBE IAW AMM 73-21-07/401. GROUND VERIFICATION SDR ASAA2019031728625Actuator · failedAT TOD WHEN CHECKING RECALL LEFT PACK LIGHT ILLUMINATED. HOWEVER RESET WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LEFT RAM AIR DOOR ACTUATOR W/NEW REF AMM 21-51-21-000-801 & AMM 21-51-21-400-801. BONDING CHECK IS GOOD REF AMM 21-51-21. RASDR ASAA2019031728640Unknown · malfunctionedON TAXI OUT APU KICKED OFFLINE AND BOTH ENGINE CONTROL LIGHTS ILLUMINATED. GROUNDED - YES. APU PWR KICKED OFF LINE PRIOR TO ENG ELEC SYS PWR UP. POWERED DOWN ALL SYSTEMS AND REBOOTED SHIPS POWER- ALL FAULTS CLEARED. ACFT CLEAR FOR SERVICE REF AMM 71-00-00.SDR ASAA2019031728627Warning System · false activationLEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED OPERATIONAL TEST OF LEFT PACK IAW FIM 21-53 TASK 803. OPS CHECKS GOOD.SDR ASAA2019031428609Warning System · false activationLEFT "PACK" LIGHT ILLUMINATES WHEN MASTER CAUTION RECALL PUSHED. EXTINGUISHES WHEN SYSTEM IS RESET. GROUNDED - YES. REF FIM TASK 21-53 TASK 809, NR 1 PZTC LOGGED RAM AIR ACTUATOR FAULT, RESET FAULT. GVI LEFT RAM AIR DUCT, NO OBSTRUCTIONS NOTED. NR 1 AND NR 2 PSDR ASAA2019031028575Warning System · false activationLEFT PACK ILLUMINATES ON RECALL . QRH COMPLETED LIGHT RESETS. GROUNDED - YES. PERFORMED LEFT PZTC BITE FOUND LEFT RAM AIR ACTUATOR FAULT. CW FIM 21-62 TASK 837 FAULT CLEARED NO HISTORY 30 DAYS LEFT PACK LIGHT NO LONGER ILLUMINATES ON RECALL.SDR ASAA2019030428454Fire Detector · damagedWHILE PERFORMING T/C N8420000 (LT ENGINE GVI), FOUND FIRE DETECTOR MW0325 DAMAGED. GROUNDED - YES. LT ENGINE FIRE DETECTOR MW0325 REMOVED AND REPLACED REF AMM 26-11-01. OPERATIONAL CHECK GOOD.SDR ASAA2019010727706Filter · dirtyCABIN TEMPERATURE ROWS 6-10 EXCESSIVELY WARM IN FLIGHT. GROUNDED - YES. NO FAULTS ON BOTH PZTC BITE. CLEANED FLT, FWD & AFT COMPARTMENT ZONE TEMP FILTERS REF AMM 21-61-06. RAN PACKS, OPS NORMAL.SDR ASAA2019010527687Unknown · malfunctionedAFTER LANDING F/O'S SIDE VTK FLAG ILLUMINATED. IT RECOVERED MOMENTARILY AND THEN CAME BACK ON. GROUNDED - YES. ALIGNED ADIRU'S, NO VTK FLAG PRESENT ON F/O ND. CHECKED INFLIGHT FAULTS AND RT FMC SHOWS PGM FAULT ON GRD AT 05:41Z TIME OF LANDING. PERFORMED FIM 34SDR ASAA2018122617545Control Panel · malfunctionedFOLLOW-UP TO HISTORY OF PRESSURIZATION PANEL (P5-6) NOT DIMMING ISSUES. GROUNDED - YES. ENGINEERING REQUEST - REMOVED/REPLACED CABIN PRESSURE CONTROL MODULE REF B737-900 AMM 21-31-02. ALL REQUIRED TESTS PER SAME MM OPS NML. GROUND VERIFICATION TESTS GOOD REF SSDR ASAA2018122097478Outflow Valve · malfunctionedPRESSURIZATION OUTFLOW VALVE INDICATES CLOSED ON GROUND. GROUNDED - YES. CYCLED ELEC PWR - PERFORMED BITE TEST OF BOTH CABIN PRESS CONTROLLERS & MANUAL OPS CK OF OUTFLOW VALVE NML PER B737-900 AMM 21-31-00.SDR ASAA2018121327427Control Panel · malfunctionedCAPT AND FO'S RADIO TUNING PANELS BOTH SHOW ACTIVE/STANDBY FAILURE WHEN HF2 IS SELECTED. GROUNDED - YES. ACCOMPLISHED SUCCESSFUL GROUND VERIFICATION TEST REF FIM 23-11 TASK 801 NR 2 HF COMM BITE TEST PASS W/ NO FAILURES LOGGED, HF NOW OPS NORMAL.SDR ASAA2018121197306Light · malfunctionedAT TOP OF DESCENT THE PRESSURIZATION PANEL LIGHTING WENT DARK AND THE NUMBERS BECAME EXTREMELY DIM AND HARD TO READ. GROUNDED - YES. PERFORMED B737-900 FIM 21-31 TASK 803. AFTER RESET OF BREAKERS LIGHTING RETURNED TO NORMAL AND NO OTHER DEFECTS NOTED AT THIS TSDR ASAA2018110826750Battery · dischargedFOUND BATTERY SWITCH LEFT ON - BATTERIES ARE DISCHARGED. GROUNDED - YES. RMVD/INSTALLED FWD AND AFT MAIN BATTERIES REF B737-900 AMM 24-31-11. SYS CKS NML.SDR ASAA2018101626674Transition Panel · corrodedAFT CARGO COMPARTMENT, RIGHT SIDE FLOOR TO SIDEWALL TRANSITION PANEL HAS APPROX 29 SPOTS OF CORROSION ON UPPER SURFACE BETWEEN STATIONS 727 AND STATION 727I +8. GROUNDED - YES. AREA FROM STA 727(+10 TO STA 727) +8 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53-01-SDR ASAA2018101626673Transition Panel · corrodedFWD PIT, RT TRANSITION PANEL FROM BS 508 TO BS 514 HAS CORR. GROUNDED - YES. REMOVED CORROSION ON RT TRANSITION PANEL FROM STA 508 TO STA 514 IAW SRM 51-10-02 ORIGINAL THICKNESS IS .040 REMAINING THICKNESS IS .034, MATERIAL LOSS .006 FOUND TO BE OUT OF LIMITS SDR ASAA2018101626672Transition Panel · corrodedAFT CARGO COMPARTMENT RIGHT SIDE FLOOR TO SIDEWALL TRANSITION PANEL HAS APPROX 24 SPOTS OF CORROSION ON UPPER SURFACE (WHICH INCLUDES PREVIOUSLY BLENDED AREAS) BETWEEN STATION 727I +8. GROUNDED - YES. REMOVED CORROSION FROM UPPER AND LOWER FROM TRANSITION PANESDR ASAA2018101626540Transition Panel · corrodedAFT CARGO COMPARTMENT LEFT SIDE FLOOR TO SIDEWALL TRANSITION PANEL HAS APPROX 33 SPOTS OF CORROSION ON UPPER SURFACE BETWEEN STATIONS 727 AND STATION 727I +8. GROUNDED - YES. REMOVED CORROSION FROM STA 727 TO 727I+8 IAW SRM 53-00-53-1A-Z, REMAINING MATERIAL THSDR ASAA2018101626534Transition Panel · corrodedFWD PIT, RT TRANSITION PANEL FROM BS 500A TO BS 500L HAS MULTIPLE SPOTS/AREAS OF CORR. GROUNDED - YES. REMOVED CORROSION ON TRANSITION PANEL IAW SRM 51-10-02. ORIGINAL THICKNESS IS .040 , AT MULTIPLE LOCATIONS REMAINING THICKNESS IS .030, LOSS OF .010 OF MATERSDR ASAA2018101526539Intercostal · crackedMAIN CABIN, FORWARD WET AREA, MACHINED INTERCOSTAL AT BS344-BS360 BL 0, WL 208.1 CRACKED ON UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 AND DRAWING 141A5400 REV-SHEET 32.SDR ASAA2018101526538Intercostal · crackedMAIN CABIN, FORWARD WET AREA, MACHINED INTERCOSTAL AT BS344-BS360 LBL 11.10, WL 208.1 CRACKED ON UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 AND DRAWING 141A5400 REV- SHEET 94.SDR ASAA2018101926519Door Sill · corrodedFWD PIT DOOR CUTOUT LOWER SILL WEB HAS INTERGRANULAR CORROSION. GROUNDED - YES. REMOVED CORROSION ON THE FWD PIT DOOR CUTOUT LWR SILL WEB IAW SRM 51-10-02. ORIG. THICKNESS IS .045. REMAINING THICKNESS IS .010. REMOVED .035, AND IS OUT OF LIMITS IAW SRM 53-30-1SDR ASAA2018092426207Control Module · defectiveCABIN PRESSURE PANEL LIGHTS PULSE IT IS WORST IN DIM SETTING. GROUNDED - YES. REMOVED AND REPLACED CABIN PRESSURE CONTROL SELECTOR MODULE REF AMM 21-31-02. CABIN PRESSURIZATION OPERATIONAL GROUND TEST AND MANUAL MODE TEST CHECKED NORMAL REF AMM 21-31-00.SDR ASAA2018091726148Shim · wornWHILE ACCOMPLISHING T/C 78472002 FOUND ALL 24 SHIMS WORN ON NR 1 ENGINE. GROUNDED - YES. REPLACED ALL 24 SHIMS ON NR 1 ENGINE REF T/C 78472002.SDR ASAA2018091726147Elastomer · wornDURING ACCOMPLISHMENT OF T/C 78472002 FOUND 23 WORN SPACERS ON NR 1 ENGINE. GROUNDED - YES. REPLACED 23 SPACERS ON NR 1 ENGINE REF T/C 78472002.SDR ASAA2018091726146Blade · wornDURING ACCOMPLISHING T/C 78472002 FOUND 6 BLADES WITH WORN CU-NI COATING ON NR 1 ENGINE. GROUNDED - YES. REPLACED 6 BLADES ON NR 1 ENGINE REF T/C 78472002.SDR ASAA2018091326107Warning System · false activationUPON RECALL LEFT HAND PACK ILLUMINATED AND CLEARED WITH MASTER CAUTION RESET. GROUNDED - YES. CREW PERFORMED BITE CHECK ON BOTH TEMP CONTROLLERS REF AMM 21-60-01 NO FAULTS LOGGED. SYSTEM OPS CHECKS NORMAL.SDR ASAA2018091226102Fmc · malfunctionedAFTER LANDING & DURING APU START, YELLOW "FMC P/RST" LIGHT ILLUMINATED. YELLOW "VTK" FLAG APPEARED ON CAPT MAP DISPLAY AND BOTH FMC CDU'S REVERTED TO "MENU" PAGE W/NO "FMC" SELECTION AVAILABLE AT 1L OF MENU PAGE. PROBLEM CLEARED ON ITS OWN MOMENTARILY & REOCCUSDR ASAA2018090526008Fmc · malfunctionedVTK MSG FOLLOWED BY MAP MSG DISPLAYED ON FO'S NAV DISPLAY. FMC SINGLE OPERATING MSG ON FMC SCRATCHPAD. RIGHT FMC FAILED. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836. DUAL FMC OPERATION RESTORED. OPS CHECK NORMAL.SDR ASAA2018081535766Scavenge Pump · contaminatedAFTER THE NR 1 ENGINE STARTED, NR 1 OIL FILTER BYPASS LIGHT ILLUMINATED FOR APPROX 10 SECONDS, AFTER LIGHT WENT OUT, IT ILLUMINATED 2 MORE TIMES FOR APPROX 5 SECONDS. ALL OTHER ENGINE INDICATIONS NORMAL. POWER AT IDLE DURING ENTIRE TIME WHEN LIGHT ILLUMINASDR ASAA2018060224902Hmu · stuckDURING PREFLIGHT, THE NR 2 ENGINE VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 HMU, OPS AND LEAK CHECKED GOOD, ENGINE VALVE CLOSED LIGHT OPERATES NORMALLY.SDR ASAA2018060124869Unknown · unknownNR 2 ENGINE VALVE CLOSED INDICATOR ILLUMINATED ON PREFLIGHT. ACFT GROUNDED. ENG DID NOT SHUT OFF WITH FIRE HANDLE PER MAINTENANCE PROCEDURES. UNABLE TO VERIFY DISCREPANCY. ACCOMPLISHED MAINT PROCEDURE ASSOCIATED WITH MEL 73-10 FOUR TIMES. NO DEFECTS NOTED. ESDR ASAA2018052324830Unknown · malfunctionedNR 2 ENG VALVE CLOSED LT EXTINGUISHES WHEN ENG START LEVER RAISED TO IDLE (NOTE: START LEVER RAISED TO IDLE @GATE FOR VALVE SEQUENCE CHECK PRIOR TO ENG START). GROUNDED - YES. ON DEFERRAL.SDR ASAA201804264378Wire Harness · brokenNR 1 ENGINE B LOOP DOES NOT TEST NORMALLY. ACFT GROUNDED. FOUND WIRE HARNESS MW326 BROKEN AT TOP OF ENGINE AREA. REPLACED THE WIRE HARNESS ASSY AND RESET THE CIRCUIT BREAKER. OPS NORMAL IAW AMM 26-11-02. VERIFIED ENGINE FIRE TEST SWITCH IN NORMAL POSITION.SDR ASAA2018032524030Lamp · inoperativeEMERGENCY LIGHT RIGHT AFT FUSELAGE SLIDE LIGHT INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMPS AND TESTED IAW AMM 33-51-04-960-801. OPS NORMAL.SDR ASAA2018032224009Warning Light · false activationFWD CABIN ZONE TEMP LIGHT ON WILL NOT RESET WITH MASTER CAUTION RESET. ACFT GROUNDED. DEACTIVATED RIGHT PACK FLOW CONTROL AND SHUTOFF VALVE, OPENED AND CLOSED THE CIRCUIT BREAKER. FWD CABIN ZONE TEMP LIGHT EXTINGUISHED AFTER CLOSING THE CIRCUIT BREAKER.SDR ASAA2018032224008Filter · cloggedSTRONG BURNING ELECTRICAL ODOR IN THE FLIGHT DECK OCCURRED DURING SHUTDOWN CHECKLIST. DISSIPATED AFTER TURNING THE LEFT PACK OFF. TURNED LEFT PACK BACK ON AND ODOR DID NOT REOCURE. ISOLATION VALVE WAS RETURNED TO NORMAL WHEN GOT THE SMELL. ACFT GROUNDED.SDR ASAA2018032224007A/C Pack · trippedRIGHT PACK TRIPPED. RESET FOR 2 MINUTES. THEN TRIPPED AGAIN. WOULD NOT RESET THE SECOND TIME. ACFT GROUNDED. PERFORMED RESTORATION OF THE RT AIR CONDITIONING PACK IAW AMM 21-00-00-040-804. REPOSITIONED THE FWD CARGO HEAT DUCT SOV TO THE OPEN POSITION. RESDR ASAA2018031323870Seal · out of limitsAPU SIGMA SEAL INSP FOUND SIGMA SEAL OUT OF LIMITS. GROUNDED - YES. REPLACED SIGMA SEAL ON APU REF AMM 49-15-11.SDR ASAA2018031323834Apu · defectiveAPU CT5ATP TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU. REF T/C 78349010. OPS CHECK GOOD.SDR ASAA2018021023476Hf Comm · malfunctionedNR 2 HF RADIO TUNING PANEL SHOWS FAILED WHEN THE NR 2 HF IS SELECTED. ACFT GROUNDED. ACCOMPLISHED FIM 23-12, TASK 815. RADIO TUNING PANEL PROBLEM FAULT ISOLATION & HF COMMUNICATION SYSTEM BITE PROCEDURE IAW FIM 23-11, TASK 801, OPS CHECKED NORMAL. NO HISTORSDR ASAA2018020123357Connector · disconnectedNR 1 ENGINE HAS PREVIOUS REPORT OF FUEL FILTER DIFFERENTIAL PRESSURE SWITCH CONNECTOR FOUND DISCONNECTED. ACFT GROUNDED. REMOVED & REPLACED J8 HARNESS IAW AMM 73-21-06-400-801-F00. ACCOMPLISHED ACTUATORS TEST IAW AMM 71-00-00-700-807-F00. ALL TESTS PASSED WSDR ASAA2018012123253Connector · disconnectedNR 1 FILTER BYPASS LIGHT ILLUMINATED ON TAXI IN, STAYED ON UNTIL SHUTDOWN. GROUNDED - YES. PERFORMED EEC BITE PER FIM 73-00 TASK 801 - FOUND FAULT CODE 73-31071 THE FUEL FILTER SIGNALS DISAGREE. FOUND CANON PLUG DISCONNECTED FROM NR 1 ENG FUEL FILTER DIFFERENTSDR ASAA2018010523090Autoland Sys · malfunctionedCAT IIIA HGS & AUTOLAND UNSUCCESFUL APPROACH WHEN AT 400' AGL AIRCRAFT TRACKING LEFT OF CENTERLINE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASK 825 "AIRPLANE ALIGNMENT PROBLEMS DURING AUTOLAND APPROACH" FAULT ISOLATION, DFCS BITE LIBRARY TEST REF B737SDR ASAA2018010323074Controller · faultedCONTROL CABIN ZONE TEMP ILLUMINATED, RAN QRH. THE LIGHT EXTINGUISHED BUT ILLUMINATED ON RECALL. TEMP NORMAL. ACFT GROUNDED. ACCOMPLISHED A BITE CHECK ON THE NR 1 & 2 CONTROLLERS, NR 1 GOOD, NR 2 FAULTED FOR FLT DECK TRIM VALVE. RESET THE NR 2 CONTROLLER,
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