N479AS
Service difficulty reports · 195
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 = 'N479AS' 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 = 'N479AS' 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 ASAA2020011631868Fmc · malfunctionedAFTER LANDING IN SEA LEFT FMC FAILED AND WOULD NOT RESET. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 837. FOUND "PGM FAULT" INDICATED LT COMPUTER. CYCLED POWER, LT FMC OPS NORMAL REF SAME.SDR ASAA2019123071717Warning Message · false activationHAD ZONE TEMP ON RECALL ENROUTE RAN QRH AND IT WENT OUT. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE PROCEDURE PER B737-900 FIM 21-62 TASK 801. HAD FAULT FLT DECK TRIM VALVE ON PREVIOUS FLIGHT. PERFORMED FIM 21-62 TASK 832 AND DURING INITIAL EVALUATION FASDR ASAA2019111501335Wire Harness · chafedDURING PREFLIGHT, ENGINE #2 FIRE LOOP WILL NOT TEST. GROUNDED - YES. PERFORMED B737-900 FIM 26-10 801 AND FOUND "#2 ENGINE LOOP "B" LOW DET RESISTANCE CLEAN CONNECTIONS" FAULT. ALL DETECTOR RESISTANCE VALUES ARE WITHIN LIMITS. UPON INSPECTION FOUND ISOLATOR CHSDR ASAA2019102841102Spinner · damaged#1 ENGINE FRONT SPINNER CONE BLACK COATING MISSING GREATER THAN 50%. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FRONT SPINNER CONE IN REF TO AMM 72-21-01-400-801-F00. NO DEFECTS NOTED. THIS CLEARS PLT.SDR ASAA2019102831094Autoland Sys · malfunctionedAUTOLAND/HGH TOUCHDOWN WAS @ 20 FT LEFT OF CENTERLINE. GROUNDED - YES. ACCOMPLISHED ALL LLM TESTS FOR SPECIAL CONDITION FOR LANDING INCLUDING LAND VERIFY REF B737-900 AMM 22-11-00/201. ALL TESTS GOOD. NO DEFECT. THIS CLEARS MEL 22-99B AND 22-20B.SDR ASAA2019090730642Fmc · malfunctionedDURING ETOPS OCEANIC FLIGHT AT APPROX 2+30 INTO FLIGHT L FMC FAILED BUT RECOVERED IN APPROX ONE MINUTE. (APPROACH TO HNL HAD NOT BEEN LOADED). GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836. AFTER FMC RESET NO FAULTS FOUND.SDR ASAA2019062869844Warning Light · false activationAFTER #1 ENGINE START THE AMBER STARTER VALVE OPEN LIGHT REMAINED ILLUMINATED. GROUNDED - YES. MANUALLY CYCLED #1 ENGINE VALVE MULTIPLE TIMES WITH NO DEFECTS NOTED. STARTED #1 ENG REF B737-900 AMM 71-00-00. #1 ENG STARTED NORMALLY. WITH NORMAL CUTOUT AND STARTSDR ASAA2019062499763Nut Plate · corroded#2 ENG INLET AND FANBLADES - DETAILED INSPT. S/N 862264. FOUND 5 EACH NUT PLATES THAT HAVE CORROSION UNDER THEM ON R/H SIDE AFT END OF FAN FRAME. 1 EACH #3 ACOUSTICAL PANEL FWD MIDDLE NUT PLATE, 1 EACH #4 FWD R/H NUT PLATE ON #4 ACOUSTICAL PANEL, 2 EACH #5 ACOSDR ASAA2019061069603Control Valve · failedNR 1 PACK LIGHT ON RECALL. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 801/830. PTC #1 BITE SHOWS 'THIS PACK TCV' FAULT. REQUIRES V139 LEFT TCV. REMOVED & REPLACED V139 LEFT TCV PER B737-900 AMM 21-15-10 PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST PER AMM 21SDR ASAA2019050929300Sensor · failedLEFT SIDE WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATED TWICE IN FLIGHT. GROUNDED - YES. CHECKED & RELEASED LT "SIDE" SLIDER WINDOW HEAT PER MEL 30-11E. ETOPS "A/C HAS HISTORY". PERFORMED HISTORY BITE TEST OF LT NR 2 WHCU AND FOUND WINDOW SENSOR FAULTS PER FIM 30-4SDR ASAA2019042929187Control Unit · faultedLEFT SIDE WINDOW OVERHEAT. GROUNDED - YES. RELEASED PER MEL 30-11E LEFT NR 2 WINDOW HEAT INOP. FAULT HISTORY SHOWED WINDOW SENSOR. BIT VERIFY GOOD. DUE TO HISTORY REMOVED AND REPLACED L SIDE WINDOW HEAT CONTROL UNIT REF AMM 30-41-11. OPS CHECK GOOD. MEL 30-11ESDR ASAA201904296164Warning Light · false activationLEFT SIDE WINDOW HEAT OVERHEAT LT ILLUMINATED - RAN QRH - WHEN TURNED BACK - OVERHEAT LT REMAINED OFF. GROUNDED - YES. WINDOW HEAT OPS CHECKS OK. REF B737-900 AMM 30-41-00.SDR ASAA201904048880Fmc · false indicationWHILE IN CRUISE BOTH MCDU BLANKED W/ASSOCIATED VTK ON CA SIDE. SYSTEM REBOOTED BTW 30 SEC - 1 MIN AFTER EVENT WHILE RUNNING FMC FAIL QRH. GROUNDED - YES. VERIFIED . ACCOMPLISHED FMC BITE CHECK. BOTH L/H & R/H PASSED. NO FAULTS. OK FOR SERVICE. REF B737-900 FIMSDR ASAA2019031728665Fmc · malfunctionedLT FMC FAIL W/VTRK ON LT NAV DISPLAY AT CRUISE. TRIED (USING FMC FAIL C/L) TO RESTORE BY PLACING FMC SOURCE SEL SW TO BOTH ON RT. TEMPORARILY RESTORED BUT AFTER SWITCHING TO NML, HAD IMMEDIATE LT FMC FAIL AGAIN. CONTINUED ON SINGLE R FMC. GROUNDED - YES. RE-BOSDR ASAA2019021532876Fmc · malfunctionedGOT VTK AMBER WARNING FLAG ON CAPT'S ND, BOTH CDU'S LOST FMC AND MODE LOST LNAV AND VNAV, DURING CRUISE FOR 15 SECONDS ( AUTOPILOT WAS IN CMD A ). EVERYTHING RECOVERED AFTER 15 SECONDS AND OPERATED NORMALLY AFTER THAT. ACTUALLY, IT HAPPENED AGAIN SEVERAL MORE SDR ASAA2019012327937Windshield · faultyFORWARD LEFT WINDOW HEAT OVERHEAT. GROUNDED - YES. PERFORMED WHCU BITE CHECK PER FIM 30-41 TASK 801. LEFT HAND WINDOW SENSOR FAULT NOTED. SWITCHED WINDOW HEAT SENSOR TO ALTERNATE POSITION. NO FIX. RETURNED SWITCH TO ORIGINAL POSITION. SWAPPED WHCU PER AMM 30-4SDR ASAA2018121127357Gcu · faultyNR 1 TRANSFER BUS OFF LIGHT ILLUMINATED AT CRUISE FL230. ACCOMPLISHED QRH, BUS WOULD NOT RESET, TRANSFERRED TO APU BUS. GROUNDED - YES. REMOVED AND REPLACED #1 GENERATOR CONTROL UNIT REF AMM 24-21-81/401. INSTALLATION TEST PASSED. PERFORMED OPERATIONAL TEST OFSDR ASAA2018120327203Control Panel · inoperativeONE LIGHT BURNED OUT IN AUTOPILOT A CMD SWITCH ON GLARESHIELD. GROUNDED - YES. VERIFIED - REF AMM 22-11-34, REMOVED/REPLACED MCP. ALL REQ'D REPLACEMENT TESTS AND LLM MAINT. TESTS GOOD. GROUND VERIFICATION TESTS GOOD.SDR ASAA2018120227201Autoland Sys · malfunctionedAUTOLAND UNSUCCESSFUL. HOWEVER, HGS A III OPERATED NORMALLY. GROUNDED - YES. PERFORMED FIM 22-11 TASK 825, NO RELATED FAULTS LOGGED ON EITHER FFR. LAND VERIFY TEST GOOD REF AMM 22-11-00. PERFORMED AMM TASK 22-00-01-730-805. ALL TESTS GOOD.SDR ASAA2018112727132Gcu · failedTRANSFER OF POWER AFTER LANDING TO APU NR 1 TRANSFER BUS OFF LIGHT CAME ON. GROUNDED - YES. ACCOMPLISHED TRANSFER BUS OFF LIGHT ILLUMINATION FIM TASK 24-21-00-810 FOUND BTB FAULT AT NR 1 GENERATOR CONTROL UNIT. REMOVED AND REPLACED GCU 1 REF AMM 24-21-81. OPS SDR ASAA2018110826806Hf Comm · malfunctionedHF NR 1 UNREADABLE ON MULTIPLE FREQUENCIES. TRIED RETUNING ANTENNA SEVERAL TIMES. SF RADIO COULD HEAR US. HF NR 2 OPS NORMAL. GROUNDED - YES. ACCOMPLISHED HF SYSTEM TEST AMM TASK 23-11-00-730-801. OPS CK GOOD. NO HISTORY PAST 30 DAYS. GROUND VERIFICATION SATISSDR ASAA2018102326570Fmc · intermittentAFTER LANDING DURING TAXI TO GATE: VTK ON F/O PRIMARY DISPLAY AND FMC P/RST LIGHT FLASH INTMT THRU-OUT TAXI. GROUNDED - YES. VERIFIED RT FMC INTMT, RT FMC LOGGED PGM FAULT, PERFORMED FIM 34-61 TASK 807 RT FMC RETURNED TO NORMAL. NO HISTORY GRD VERIFICATION SUCSDR ASAA2018101226429Control Valve · faultedON MASTER CAUTION RECALL, RIGHT SIDE PACK LIGHT ILLUMINATED. LIGHT EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF FIM 21-62 TASK 801. RIGHT PACK HAS FAULT: "THIS PACK TCV". FAULT RESET. DUE TO HISTORY, REMOVED/REPLACSDR ASAA2018092546236Wire Harness · brokenT/C 78472000 #1 ENGINE INSPECTION. WIRE IS BROKEN AT TERMINAL LUG OF CORE FIRE DETECTION HARNESS ON RIGHT SIDE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE CORE FIRE DETECTION HARNESS LOOP A REF B737-900 AMM 26-11-02. ETOPS GROUND VERIFICATION SUCCESSFUL RESDR ASAA2018091126089Fmc · malfunctionedLEFT FMC FAILED, RESTORED AS PER QRH 11.3. FAILED AGAIN 30 SECONDS LATER, CONFIGURED FOR SINGLE FMC (RIGHT) OPERATIONS, FMC BOTH ON RIGHT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807. NO CURRENT FAULTS, FLT 1 SHOWS PROGRAM FAULT. PULLED & RESET C/B'S PER FIM SDR ASAA2018083025952Unknown · unknownON RECALL AFTER START - PACK LIGHT AND MASTER CAUTION LIGHT CAME ON. FOLLOWED QRH PROCEDURE. RESET WITH MASTER CAUTION. GROUNDED - YES. RIGHT TEMP CONTROLLER SHOWS "THIS PACK - TCV" RED LIGHT ILLUMINATED. PERFORMED B737-900 FIM 21-62 TASK 831, BITE TEST/VERIFYSDR ASAA2018042624397Nut Plate · corrodedDURING A NR 1 ENGINE INLET AND FAN BLADES DETAILED INSPECTION, FOUND 12 NUTPLATES ON AFT OTBD FAN CASE THAT APPEAR TO HAVE CORROSION UNDER & AROUND ON FAN CASE. THE NUTPLATES ARE FOR AFT ACOUSTICAL PANELS BETWEEN THE 1 O'CLOCK TO 10 O'CLOCK POSITIONS. ACFT GRSDR ASAA2018033024103A/C Pack · malfunctionedLEFT PACK PRIMARY TEMP CONTROL INOPERATIVE. ACFT GROUNDED. NR 1 PACK CONTROLLER SHOWS TCV. RESET, BITE CHECKED GOOD. PERFORMED A BITE CHECK TO BOTH PACK TEMP CONTROLLERS IAW FIM 21-62 TASK 801. NO FAULTS NOTED. NO LIGHTS ON RECALL.SDR ASAA2018033024080Warning Light · false activationLEFT PACK LIGHT ILLUMINATED AFTER TAKEOFF. RAN QRH. LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. BITE CHECK OF THE LEFT PACK CONTROLLER HAS A FAULT FOR THE TCV THIS PACK. FAULT RESETS.SDR ASAA2018031423871Thermocouple · defectiveAPU EGT TRENDING HIGHER THAN NORMAL. GROUNDED - YES. ENGINEERING REQUEST - REMOVED AND REPLACED APU EGT THERMOCOUPLES 1 & 2 PER AMM 49-71-21. COMPLETED INSTALLATION TEST FOR EGT THERMOCOUPLES 1 AND 2. TEST GOOD PER AMM 49-71-21.THIS COMPLETES STEPS FOR TSR.SDR ASAA2018031023869Wire Harness · burnedON THE APU, FOUND WIRES AT NR 1 EGT THERMOCOUPLE WERE BURNED. ACFT GROUNDED. REMOVED AND REPLACED APU HARNESS IAW AMM 49-11-01-400-802. PERFORMED APU OPERATIONAL TEST IAW AMM 49-11-00-710-801. OPS CHECKED GOOD. PERFORMED APU BITE PROCEEDURE IAW AMM 49-61-00-SDR ASAA2018022223672Valve · faultedDURING AFTER START CHECKLIST, THE AFT CABIN ZONE TEMP LIGHT ILLUMINATED. LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. AFT ZONE TEMP STILL ON RECALL, PACK TEMP CONTROL BITE NR 1 SHOW ZONE TRIM VALVE ON BITE & PREVIOUS FLT WITH RECENT HISTORY. REMSDR ASAA2018021923636Sensor · dirtyAFT CABIN ZONE TEMP ILLUMINATES ON RECALL. ACFT GROUNDED. PERFORMED PACK - ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00/501. LEFT PACK - ZONE TEMP CONTROLLER SHOWED ZONE TRIM VALVE FAULT FOR PREVIOUS FLIGHT. FOUND AFT ZONE TEMP FILTER AND SENSOR SDR ASAA2018021823579Unknown · unknownAFT CAB ZONE TEMP LIGHT ON RECALL PER DESCENT CHECKLIST. LIGHT WENT OUT UPON MASTER CAUTION RESET. GROUNDED - YES. TROUBLE SHOT PER B737-900 FIM 21-62 TASK 844. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. BITE VERIFICATION TEST OF BOTH TEMP CONTROLLERS GOOD. PSDR ASAA2017122422989Lamp · failedEMERGENCY LIGHT EXIT LOCATOR SIGN ADJACENT TO LEFT AFT OVERWING EXIT IS INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMP AND TESTED IAW MM 33-51-01-960-801. OPS NORMAL.SDR ASAA2017122422988Lamp · failedEMERGENCY LIGHT EXTERIOR SLIDE LIGHT AT RIGHT AFT OVERWING EXIT IS INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMP AND TESTED IAW AMM 33-51-04-960-801, OPS NORMAL.SDR ASAA2017121322885Indicator · failed#1 MAIN TANK REFUEL INDICATOR INOP. GROUNDED - YES. REPLACED #1 REFUEL INDICATOR PER B737-900 AMM 28- 41-61. OPS CHECK NORMAL.SDR ASAA2017120922834Fmc · failedLEFT FMC FAILED FOR APPROXIMATELY ONE MINUTE DURING CRUISE, WITH VTK DISPLAYED ON CAPTAINS ND AND NO FMC INFO ON MCDU'S.CORRECTED ITSELF. GROUNDED - YES. ACCOMPLISHED FMC SYS BITE PROCEDURE WITH NO FAULTS NOTED REF B737-900 FIM 34-61 TASK 801. O HISTORY 30 DAYSDR ASAA2017110922521Fmc · faultedAFTER LANDING 1ST OFFICERS, NO VTK FLAG APPEAR AND DISAPPEAR REPEATEDLY WITH FMC ALERT LIGHT AND NO SCRATCH PAD INFO. GROUNDED - YES. ACCOMPLISHED FMC BITE, REF FIM 34-61 TASK 801 FOUND RT FMC FAULT ON GROUND. ACCOMPLISHED FIM 34-61 TASK 807, FAULT CLEARED. RTSDR ASAA2017110722473Display · malfunctionedNR 2 COURSE SELECTOR WINDOW DOES NOT DISPLAY ANY DIGITS. LIGHTS TEST WORKS. ACFT GROUNDED. F/O COURSE DISPLAY SHOWS NO DEFECT. REF MCP LRU REPLACEMENT TEST IAW AMM 22-11-34-740-801, AND 22-11-00-740-801 DFCS OPS TEST MCP INT (MCP INTERFACE) 10.16, MCP DISPLASDR ASAA2017102522318Start Valve · failedNR 2 ENGINE START VALVE OPEN LIGHT ILLUMINATED AFTER ABORTED START. ACFT GROUNDED. REPLACED THE START VALVE, OPS AND LEAK AND GROUND VERIFICATION GOOD IAW AMM 80-11-03, ENG RUN CHECKED GOOD.SDR ASAA2017102422315Circuit Breaker · trippedAFTER START, THE NR 2 ENGINE CONTROL LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 EEC IAW AMM 73-21-60. FOUND THE NR 2 RUN/POWER CIRCUIT BREAKER OPEN. INSPECTED BEHIND P6-2 PANEL, NO DEFECTS NOTED. NO HISTORY 60 DAYS, RESET THE CIRCUSDR ASAA2017100722132Lens · missingLEFT AFT OVERWING EMERGENCY EXIT SIGN LENS ADJACENT TO FLOOR MISSING. ACFT GROUNDED. INSTALLED A NEW LENS. OPS CHECKED GOOD.SDR ASAA2017082821738Indicator · failedNR 1 TANK WING REFUEL QUANTITY INDICATOR INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE REFUEL GAUGE. OPS CHECKED GOOD IAW AMM 28-41-61.SDR ASAA2017072921487Trim System · malfunctionedPITCH TRIM ACTIVATED WITHOUT COMMAND AT 500 FT AGL, DURING APPROACH. THREE TRIM WHEEL NOSE DOWN ROTATIONS, STOPPED WITH OPPOSITE TRIM ACTIVATION. ACFT GROUNDED. ACCOMPLISHED DFCS BITE, BITE GRP 20 IAW FIM 22-11, TASK 801. CURRENT STATUS SHOWS NO FAULTS. FASDR ASAA2017070821317Sensor · failedAFTER TAKEOFF FROM 43 DEGREE C LAS, R SIDE WINDOW OVERHEAT LIGHT CAME ON. RAN QRH PROCEDURE FOR 5 MINUTES AND OVERHEAT LIGHT STAYED EXTINGUISHED. - DESCENDING THROUGH 10,000 ' OVERHEAT LIGHT ILLUMINATED AGAIN. GROUNDED - YES. A/C CHECKED & RT NR 2 SLIDING WINDSDR ASAA2017070521301Warning Light · false activationRIGHT SIDE OVERHEAT ILLUMINATED. RAN THE QRH. TURNED SWITCH OFF FOR 5 MINUTES, TURNED SWITCH BACK ON, & OVERHEAT LIGHT DID NOT ILLUMINATE. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. WINDOW OVERHEAT SYSTEM OPS RESTORED NORMAL.SDR ASAA2017063021239Hf Comm · malfunctionedNR 1 HF FAILED. ACFT GROUNDED. CYCLED A/C POWER. PERFORMED FIM 23-11 TASK 801. NO FAULTS FOUND. GROUND VERIFICATION GOOD.SDR ASAA2017062621208Warning System · false activationRIGHT WINDOW HEAT (SIDE) LIGHT ON. AFTER QRH LIGHT OUT. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. WINDOW HEAT OPS RESTORED NORMAL.SDR ASAA2017061921138Control Unit · failedWINDSHIELD OVERHEAT ILLUMINATED ON RIGHT SIDE. RAN CHECKLIST. CUT OFF THREE MINUTES. TURNED BACK ON AND ILLUMINATED AGAIN. CUT OFF REMAINDER OF FLIGHT. ACFT GROUNDED. REMOVED AND REPLACED THE RIGHT WHCU IAW AMM TASK 30-41-11-000-801/-400-801. CHECKED GOOD.
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