N403AS

Service difficulty reports · 343

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 = 'N403AS' 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.

SDR ASAA2023111246157Unknown · unknownZONE TEMP DID NOT RESET ON MASTER CAUTION SEVERAL TIMES DURING FLT. TEMP VLIMBED UNLESS CONTROL CABIN SET AF FULL COLD STAYED AT <20DEG MOST OF FLIGHT. GROUNDED - YES. VERIFIED FAULT, REF. L/P #60756322. ACCOMP. PACK ZONE BITE TEST, BOTH CONT. PASS VERIFIY TESNov 12, 2023 · N403AS · Boeing 737900ER · Cabin Temperature Control SystemSDR ASAA2023111246106Unknown · unknownCONT CABIN LIGHT ZONE TEMP ON RECALL, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. VERIFIED FAULT, ACCOMP PACK /ZONE TEMP CONT. BITE CONT #2 SHOWS TRIM VALVE FLT DECK FAULT. CONT #1 NO FAULTS. ACCOMP RESET ON #2. ACCOMP BITE VERIFY TEST ON BOTH CONT. BOTHNov 12, 2023 · N403AS · Boeing 737900ER · Cabin Temperature Control SystemSDR ASAA2023110946122Actuator · leakingFUEL LEAK OBSERVED ON #2 ENGINE. ONE DROP OF FUEL EVERY SECOND. GROUNDED - YES. (RESOLVED ON W/O: 1977009 TASKCARD: N/R-00001 ) REMOVED AND RH #2 ENG VSV ACTUATOR REF AMM 75-31-01-000-802-F00 STEPS 5A THROUGH F.5.C. ASA 69095 11/10/2023. COMPLETED RH VSV ACTUANov 9, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023102745871Unknown · unknownWHILE PREFORMING TASK CARD 78273000, FOUND FAULT 77-20861 "THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE." ON ENGINE 1. FAULT IS AN ECONOMIC FAULT. GROUNDED - YES. ON DEFERRAL.Oct 27, 2023 · N403AS · Boeing 737900ER · Engine Temperature Indicating SystemSDR ASAA2023102245770Unknown · unknownDURING T/C 78273000, FOUND FAULT 75-30452 "THE VBV POSITION SIGNALS DISAGREE". GROUNDED - YES. PERFORMED B737-9 FIM 75-32 TASK 803. FAULT DOES NOT SHOW ACTIVE. NO FURTHER T/S REQUIRED.Oct 22, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023093045366Packing · faultyDURING COMPLETION OF TC # 78472040 NO. 2 ENG CHIP DETECTOR INSP, FOUND BLACK PACKING DEBRIS IN SCAVENGE SCREEN OF FORWARD SUMP SCAVENGE MCD. GROUNDED - YES. REMOVED AND REPLACED PACKINGS ON INNER AND OUTER SPOOLS OF #2 EG AGB/TGB SCAVANGE, FWD SUMP SCAVANGE ANSep 30, 2023 · N403AS · Boeing 737900ER · Turbine Engine Oil SystemSDR ASAA2023092745582Idg · leakingFOLLOW-UP TO #2 IDG FREQUENT SERVICING----(#PRI2)-----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. #2 ENG IDG WAS REMOVED REPLACED AND TESTED ON AAR N/R 1021781-4000-0002 SN OK360555.Sep 27, 2023 · N403AS · Boeing 737900ER · Alternator-Generator DriveSDR ASAA2023092545306Unknown · unknownWHILE PERFORMED TASK CARD 78273000 FOUND FAULT 75-30452 SHORT TIME VBV POSITION SIGNALS DISAGREE ENG #2. GROUNDED - YES. (RESOLVED ON W/O: 1968946 TASKCARD: N/R-00004 ) PER FIM 75-32 TASK 803, PERFORMED EEC BITE PROCEDURE IAW AMM 73-00 TASK 801. NO FAULTS NOTESep 25, 2023 · N403AS · Boeing 737900ER · Engine Bleed Air SystemSDR ASAA2023091945205Unknown · unknownWHILE PERFORMING T/C 78273000, FOUND #2 ENG SHORT TIME FAULT 75-10452 " THE VBV POSITION SIGNALS DISAGREE.". GROUNDED - YES. (RESOLVED ON W/O: 1970578 TASKCARD: N/R-00003 ) PERFORMED FIM 75-32 TASK 803 FOUND NO ACTIVE OR HISTORICAL FAULTS ON #2 ENG EEC BITE. PSep 19, 2023 · N403AS · Boeing 737900ER · Engine Bleed Air SystemSDR ASAA2023091945204Unknown · unknownWHILE PERFORMING T/C 78273000, FOUND #2 ENG SHORT TIME FAULT 75-20452 "THE VBV POSITION SIGNALS DISAGREE.". GROUNDED - YES. (RESOLVED ON W/O: 1970578 TASKCARD: N/R-00004 ) PERFORMED FIM 75-32 TASK 803 FOUND NO ACTIVE OR HISTORICAL FAULTS ON #2 ENG EEC BITE. PESep 19, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023091645183Unknown · unknownPERFORMING T/C 78273000, FOUND #2 ENG SHORT TIME FAULT 75-30452 "THE VBV POSITION SIGNALS DISAGREE" FLIGHT LEG 1. GROUNDED - YES. REF FIM 73-32 TASK 803, DURING INITIAL EVALUATION, EEC TEST GOOD, SHOWS NOT ACTIVE FOR FAULT, PERFORMED TEST 12- ACTUATORS TEST RESep 16, 2023 · N403AS · Boeing 737900ER · Engine Bleed Air SystemSDR ASAA2023091645165Unknown · unknownON TAXI IN VTK FLAG ON LEFT ND AND FMC OPTION NOT AVAIALBLE ON EITHER MCDU. CAME BACK ON THEN DISAPPEARED MULTIPLE TIMES. ALL ONLY ON THE GROUND DURING TAXI IN. GROUNDED - YES. FMC BITE TEST ACCOMPLISHED PER AMM 34-61-00. FMC OPS GOOD. FMC AVAILABLE ON MCDU.Sep 16, 2023 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2023082844820Unknown · unknownWHILE PREFORMING TASK CARD 78273000, FOUND FAULT 77-20861 "THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE." ON ENGINE 1. FAULT IS AN ECONOMIC FAULT. GROUNDED - YES. ON DEFERRAL.Aug 28, 2023 · N403AS · Boeing 737900ER · Engine Indicating SystemSDR ASAA2023082844818Unknown · unknownWHILE PREFORMING TASK CARD 78273000, FOUND FAULT 75-30452 "THE VBV POSTION SIGNALS DISAGREE." ON ENGINE 2. FAULT IS A SHORT TIME FAULT. GROUNDED - YES. PERFORMED TC 78273000 FOR FAULT CODE 75-30452 ON ENGINE 2. FAULT WAS NOT PRESENT IN CURRENT FAULTS OR FAULT Aug 28, 2023 · N403AS · Boeing 737900ER · Engine Bleed Air SystemSDR ASAA2023082844809Detector · inoperativeAPU DET INOP LIGHT ILLUMINATED & APU FIRE HANDLE LIGHT DOES NOT COME ON. GROUNDED - YES. REVERSED MAINT PROCEDURE, FOUND FIRE/ OVHT CONTROL MODULE FAULTING WIRING OPEN OR DETECTOR FAULT. REF SSM 26-11-31 CHECKED RESISTANCE OF M1755 AND M1756 CHECK OK. FOUND M1Aug 28, 2023 · N403AS · Boeing 737900ER · Fire Protection SystemSDR ASAA2023082144726Bleed Valve · faultyL & R DUCT PRESSURE DIFFERENTIAL OUT OF LIMITS DURING ENTIRE CLIMB TO FL310. LEFT DUCT READ AS HIGH AS 65 PSI BUT FLUCTUATED BETWEEN 58 AND 65 DURING CLIMB, RIGHT DUCT WAS STEADY AT 37 PSI. AFTER LEVEL OFF 310, LEFT DUCT DECREASED TO WITH IN LIMITS TO 47 PSI AAug 21, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ValveSDR ASAA2023080744470Unknown · unknownFOUND ECONOMIC FAULT CODE 77-20861, THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE ON #1 ENGINE. GROUNDED - YES. (ITEM RESOLVE UNDER MDDR: 60591755) (RESOLVED ON W/O: 1964682 TASKCARD: N/R-00001 ) ACCOMPLISHED TASK CARD 78273000 INTERROGATE THE FMC CDU FOAug 7, 2023 · N403AS · Boeing 737900ER · Engine Temperature Indicating SystemSDR ASAA2023071344018Unknown · unknownDURING #2 ENG BITE TEST. FOUND FAULT 75-30452. THS VBV POSITION SIGNALS DISAGREE. SHORT TIME. GROUNDED - YES. PERFORMED FIM 75-32-TASK 803 INITIAL EVALUATION FOUND FAULT TO BE NOT ACTIVE AND INTERMITTENT.Jul 13, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023071344006Lamp · inoperativeDURING EMERGENCY LIGHT TEST (T/C 78233008), FOUND SLIDE / OVERWING LIGHT OUT BEHIND L2 DOOR EXTERIOR. GROUNDED - YES. RELAMPED BULB AT L2 DOOR (AFT) EXTERIOR, SLIDE / OVERWING EMERGENCY LIGHT, REF AMM 33-51-04; OP'S CHECK GOOD.Jul 13, 2023 · N403AS · Boeing 737900ER · Emergency LightingSDR ASAA2023061743626Switch · failedENGINE #1 FILTER BYPASS LIGHT ILLUMINATED ON LANDING ROLL. GROUNDED - YES. ACCOMPLISHED BITE TEST OF #1 ENG , RECENT STATUS , MESSAGE "73-31071" ENG 2 DUEL CHANNEL FAULT , CHECKED CDU INPUT MONITORING/ FUEL FILTER, FUEL FILTER IS CLOGGED SW 1 CH A SW 1 CHANNELJun 17, 2023 · N403AS · Boeing 737900ER · Engine Fuel and ControlSDR ASAA2023061243550Actuator · leaking#1 ENG LH VSV ACT LEAKING. GROUNDED - YES. #1 ENG L/H VSV ACTUATOR LEAK CHECK REF ASA T/C 78471001 - CFM56-7 ENG INSTALL. LEAK CHECK GOOD.Jun 12, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023061243549Actuator · leaking#1 ENG RH VSV ACT LEAKING. GROUNDED - YES. #1 ENG R/H VSV ACTUATOR LEAK CHECK GOOD REF ASA T/C 78471001 - CFM56-7 ENG INSTALLATION.Jun 12, 2023 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2023051143217Transceiver · inoperativeNO. 1 HF TRANSCEIVER INOP. GROUNDED - YES. REMOVED AND REPLACED HF 1 TRANSCEIVER REF B737-900 AMM 23-11-21.May 11, 2023 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2023051143213Unknown · unknownHF1 RADIO CHANNELIZED & RECEIVED ON THE GROUND BUT WOULD NOT TRANSMIT IN FLIGHT. GROUNDED - YES. PERFORMED HF COMMUNICATION OPERATIONAL TEST REF B737-900 AMM 23-11-00 OPS CHECK GOOD.May 11, 2023 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2023041342840Unknown · unknownHF RADIOS #1 & #2 NEITHER TRANSMIT OR RECEIVE. GROUNDED - YES. SELECTED "HF" ON #1 & #2 HF/SAT XFER SWITCHES. #1 HF OPS NML REF B737-900 AMM 23-11-00.Apr 13, 2023 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2023040842768Switchpack · faultyPSEU LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED LH AUTOTHROTTLE SWITCHPACK REF B737-900 AMM 76-11-07/401. (REF TSR714162)Apr 8, 2023 · N403AS · Boeing 737900ER · Engine ControlsSDR ASAA2023040342692Unknown · unknownHF 1 HAS NO SIDETONE OR VOICE TRANSMITTING. HF 2 HAS NORMAL SIDETONE AND VOICE TRANSMITTING. GROUNDED - YES. RESET #1 HF TRANSCIEVER, #1 HF BITE IS NORMAL. RADIO CHECK IS GOOD WITH SFO ARINC ALONG WITH SELCAL TEST REF B737-900 AMM 23-11-00.Apr 3, 2023 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2023032342589Spinner · eroded#1 ENGINE FRONT SPINNER CONE SHOWS EROSION. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FRONT SPINNER CONE IAW B737-900 AMM 72-21-01-000-801/72-21-01-400-801.Mar 23, 2023 · N403AS · Boeing 737900ER · Turbine Engine Air Inlet SectionSDR ASAA2023031042307Power Supply · failedREF TC 78233001 - R AFT OVERWING ESCAPE LT, & AISLE LTS L1507, L1513, & L1517 FAIL CAPACITY CHECK - EMERGENCY BATTERY. GROUNDED - YES. REPLACED EMERGENCY EXIT POWER SUPPLY M1671 WITH SERVICEABLE UNIT OPS CHECKS OK. REF B737-900 AMM 33-51-06-960-806.Mar 10, 2023 · N403AS · Boeing 737900ER · Emergency LightingSDR ASAA2023022642101Regulator · faultyFLT CREW REPORTS WITH ALL BLEED VLVS. (APU & #1 & #2 ENGS) R2 DUCT PRESSURE READS 20PSI ALL BLEEDS OFF. GROUNDED - YES. REMOVED AND REPLACED BLEED AIR REGULATOR REF B737-900 AMM 36-11-03 UP TO STEP 3.E.(6). PERFORM LEAK & OPS CHECK ON #2 ENGINE REF. B737-900 FFeb 26, 2023 · N403AS · Boeing 737900ER · Pneumatic Distribution SystemSDR ASAA2023012241663Unknown · unknown#2 HF RADIO INOP. GROUNDED - YES. HF #2 HAS NO HISTORY LAST 90 DAYS. OPS CHECK IS GOOD PLANE TO PLANE. ETOPS GROUND FUNCTIONAL CHECK GOOD IAW B737-900 AMM 23-11-00-730-801.Jan 22, 2023 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2023012641663Radio · inoperative#2 HF RADIO INOP. GROUNDED - YES. ON DEFERRAL.Jan 22, 2023 · N403AS · Boeing 737990ER · HF Communications SystemSDR ASAA2023010981445Power Supply · inoperativeEMERGENCY LIGHT ON L1 AND AFT OUTSIDE OF L1 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M1675) REF AMM 33-51-06-960-806.OPS TEST GOOD. NO FURTHER DEFECTS NOTED.Jan 8, 2023 · N403AS · Boeing 737990ER · Emergency LightingSDR ASAA2023010441418Switchpack · faultyWITH LEFT THROTTLE ADVANCE FULL FORWARD, OBSERVED NO "TAKE CONFIG" LIGHT BOTH CAPT'S AND F/O, AND NO HORN, RIGHT THROTTLE OPS NORMAL. GROUNDED - YES. VERIFIED ORIGINAL DISCREPANCY, ONLY RIGHT HAND THROTTLE OPERATES NORMAL (LIGHTS AND HORN.) REMOVED AND REPLACEJan 4, 2023 · N403AS · Boeing 737900ER · Auto Throttle SystemSDR ASAA2022122841308Transceiver · failedUNABLE TO TRANSMIT OR RECIEVE ON #1 HF RADIO. GROUNDED - YES. REMOVED AND REPLACED #1 HF TRANSCEIVER IAW B737-900 AMM 23-11-21.Dec 28, 2022 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2022122041188Warning Message · false activationRIGHT PACK LIGHT ILLUMINATED ON RECALL, RESETS. GROUNDED - YES. RH PZTC CHECK SHOWED RH RAM AIR INLET ACTUATOR FAULT FOR PREV FLT. BITE CHECK GOOD, NO ACTIVE FAULTS. NO RAM AIR INLET FAULT. REF B737-900 AMM 21-61-00.Dec 17, 2022 · N403AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022120441016Spacer · wornSPACERS 5,6,17 AND 18 ON ENG #2 ARE WORN. GROUNDED - YES. REPLACED SPACERS 5,6,17, AND 18 ON ENG #2 REF. ASA T/C 78472010.Dec 4, 2022 · N403AS · Boeing 737900ER · Turbine Engine Air Inlet SectionSDR ASAA2022112240898Connector · unsecureLOWER EMERGENCY EXIT SIGN INOP AT ROW 17DEF. GROUNDED - YES. REF B737-900 WDM 33-51-21 FOUND CONNECTOR D3668 NOT FULLY SECURE. SECURED CONNECTOR D3668, EMERGENCY EXIT LIGHT SIGN OPS NORMAL REF B737-900 AMM 33-51-00.Nov 22, 2022 · N403AS · Boeing 737900ER · Light System WiringSDR ASAA2022111140761Valve · leakingFOUND FUEL LEAK #1 ENG AFTER SHUTDOWN FROM HTPACC DRAIN MAST. GROUNDED - YES. REMOVED AND REPLACED #1 ENG HPTACC VALVE REF B737-900 AMM 75-21-01. OPS/LEAK CK GOOD.Nov 11, 2022 · N403AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2022110540668Switchpack · failedWX RADAR FAILED IN FLIGHT AT 340. GROUNDED - YES. L/H & R/H AUTO-THROTTLE SWITCHPACK REPLACED DUE TO BAD SWITCH. (REF ASA L/P 60376825) WXR PASSED OPS CHECKS REF B737 AMM 76-11-07.Nov 5, 2022 · N403AS · Boeing 737900ER · Weather Radar SystemSDR ASAA2022100440166Panel · loosePER ASA T/C 78472000 #2 ENGINE INLET INSP FAN BLADES. FAN DUCT PANELS #2, 3, AND 7 ARE LOOSE. GROUNDED - YES. TORQUED FASTENERS ON FAN DUCT PANELS 2, 3 AND 7. REF B737-900 AMM 72-23-07.Oct 4, 2022 · N403AS · Boeing 737900ER · Turbine Engine Air Inlet SectionSDR ASAA2022091539950Control Valve · failedLEFT PACK LIGHT ILLUMINATES ON RECALL. GOES OUT ON RESET. GROUNDED - YES. REMOVED & REPLACED TCV 1 REF B737-900 AMM 21-51-10.Sep 15, 2022 · N403AS · Boeing 737900ER · Cabin Cooling SystemSDR ASAA2022082839691Fmc · failedDUAL FMC FAILURE RESTORED < 5MIN AFTER FAILURE IRS DRIFT ON NEXT PAGE. GROUNDED - YES. C/W FMC RESET AND TEST REF B737-900 FIM 34-61-TASK 836. RESET PASSED.Aug 28, 2022 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2022072539203Fmc · failedVTK INDICATED OF CAPTAIN SIDE ND. CHECKLIST COMPLETED. FMC SWITCHED TO "BOTH ON R". APPEARS LEFT FMC HAS FAILED. GROUNDED - YES. ACCOMPLISHED FIM B737-900 FIM 34-61 TASK 836, OPS NORMAL PER SAME. GROUND VERIFICATION OPS NORMAL.Jul 25, 2022 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2022070638969Wire · brokenREF ASA T/C #78472000 #1 ENGINE INLET AND FAN BLADE DETAIL INSPT FOUND LOWER BONDING WIRE FOR TAI VALVE BROKEN FROM ATTACH POINT ON TAI VALVE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE TAI VALVE, INSTALLED BONDING JUMPER AND ACCOMPLISHED BOND CHECK REF B7Jul 6, 2022 · N403AS · Boeing 737900ER · Air Intake Anti/De-Ice SystemSDR ASAA2022070538973Bracket · gougedREF ASA T/C #78472000 #1 ENG INLET AQND FAN BLADES - DETAILED INSPT FOUND O/B LWR TAI VALVE FWD DUCT TURN BUCKLE GREEN MOUNT BRACKET IS GOUGED I/B SIDE OF AFT BRACKET LOBE. (M) ALF. GROUNDED - YES. REMOVED AND REPLACED ENG #1 LWR TAI TURNBUCKLE BRACKET REF B73Jul 5, 2022 · N403AS · Boeing 737900ER · Turbine Engine Air Inlet SectionSDR ASAA2022070538962Insert · delaminatedREF T/C #78472000 #1 ENG INLET AND FAN BLADES-DETAILED INSPECTION. FOUND 2 EACH FASTENER INSERTS DELAMINATED FROM #5 I/B FAN FRAME PANEL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG #5 I/B FAN FRAME PANEL REF B737-900 AMM 72-23-07.Jul 5, 2022 · N403AS · Boeing 737900ER · Turbine Engine Air Inlet SectionSDR ASAA2022062338811Vbv · faultyWHILE PERFORMING T/C 78273000 FOUND SHORT TIME FAULT 75-10452. THE VBV POSITION SIGNALS DISAGREE ON #2 ENG. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LH VBV ACTUATOR IAW B737-900 AMM 75-32-02. OPS CHECK GOOD. LEAK CHECK GOOD. NO FAULTS NOTED.Jun 23, 2022 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2022061538704Actuator · faultyLEFT PACK LIGHT COMES ON WHEN MASTER CAUTION PUSHED. LIGHT GOES OUT WHEN MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE REF B737-900 AMM 21-61-00. #1 LH RAM AIR ACT FAULTED. REMOVED AND REPLACED LH RAM AIR ACTUATOR REF AMM 21-51Jun 15, 2022 · N403AS · Boeing 737900ER · Cabin Cooling SystemSDR ASAA2022061338629Modulating Valve · faultyMASTER RECALL CAUSED LEFT (#1) PACK LIGHT TO ILLUMINATE PACK LIGHT EXTINGUISHES WITH RESET. GROUNDED - YES. REPLACED CABIN TRIM AIR MODULATING VALVE - B737-900 AMM 21-61-21.Jun 13, 2022 · N403AS · Boeing 737900ER · Cabin Temperature Control System
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