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.

SDR ASAA2016030515740Filter · cloggedCABIN TEMP AT AROUND ROW 11 BECAME VERY HOT, PAX MOVING AWAY FROM HEAT. REST OF CABIN TEMP GOOD. PILOTS FOLLOWED QRH TURNED TRIM AIR SWITCH OFF. CABIN TEMP RETURNED TO NORMAL AT ROW 11 AND ENTIRE CABIN WAS COMFORTABLE TEMP. GROUNDED - YES. FOUND BOTH CABIN TEMMar 5, 2016 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2016030115710Warning Light · false activationRIGHT RAM DOOR FULL OPEN LIGHT DID NOT GO OUT AND REMAINED ON ENTIRE FLIGHT. ACFT GROUNDED. CHECKED AND RELEASED ACFT IAW MEL 21-5D, RT RAM AIR DOOR INOPERATIVE. FOLLOWED FIM 21-51, TASK 803 THROUGH STEP G, 11, E. BITE CHECK & OPS CHECKS GOOD. RAM AIR DOOR Mar 1, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016020915364Satcom · failedSATCOM FAIL DURING POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURES IAW QRH. OPS CHECK NORMAL.Feb 9, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016020515303Satcom · lockedSATCOM LOCKUP GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.Feb 5, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016020415299Satcom · lockedSATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. THE SAT PROMPT REAPPEARED ON THE MCDU MENU PAGE.Feb 4, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016020415298Satcom · lockedSATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.Feb 4, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016020215267Satcom · malfunctionedNO SATCOM PROMPT ON MCDU. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURES IAW QRH. SATCOM OPS NORMAL.Feb 2, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016013015181Satcom · lockedSATCOM LOCK-UP. ACFT GROUNDED. PULLED AND RESET C/B. NORMAL OPS STORED.Jan 30, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016012815176Warning Message · false activationFMC DISAGREE ON THE GROUND. ACFT GROUNDED. ACCOMPLISHED FMC RESET IAW QRH PROCEDURES. FMCS RESTORED NORMAL.Jan 28, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016012414982Warning Message · false activationFMC DISAGREE MESSAGE RECEIVED AFTER PUSHBACK. QRH PROCEDURES FOLLOWED AND SYSTEM RESET PRIOR TO DEPARTURE. ACFT GROUNDED. PERFORMED FIM TASK 34-61, TASK 835, NO FAULTS FOUND.Jan 24, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016011714803Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. SUSPECT THIS TO BE A NUISANCE FAULT DUE TO APPLICATION OF MEL 21-5D. ACCOMPLISHED ZONE TEMP CONTROLLER BITE REF AMM 21-61-00, NO FAULTS FOUND.Jan 17, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016011614807Satcom · lockedSATCOM LOCKUP, ACFT GROUNDED. QRH RESTORED NORMAL OPERATION OF SATCOM REF FIM 23-15, TASK 801.Jan 16, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016011514830Fmc · failedRIGHT FMC FAILED, RAN QRH CONTINUED WITH FMC BOTH ON LT. ACFT GROUNDED. VERIFIED - PERFORMED FIM 34-61, TASK 836. RIGHT FMC, RESTORED AND OPS NORMAL REF SAME FIM.Jan 15, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016011514798Warning Message · illuminatedNR 2 RAM DOOR FULL OPEN LIGHT ANNUNCIATOR REMAINED ON DURING FLIGHT. ACFT GROUNDED. -INSTALLED INLET & EXHAUST RAM AIR ACTUATORS. ACCOMPLISHED FIM 21-51, TASK 803 THROUGH STEP G. 11, NO FAULTS FOUND. INTERMITTENT FAULT. GROUND VERIFICATION OF ETOPS SIGNIFICJan 15, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016010814675Control Valve · failedLEFT PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH MASTER CAUTON RESET. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE PROCEDURE REF FIM 21-62, TASK 801, MAINTENANCE MESSAGE, THIS PACK TCV - MESSAGE SHOWED ON LT CONTROLLER. R & R LT TEMP CONTROL VALVE REF BJan 8, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016010414637Actuator · malfunctionedRIGHT PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. REPLACED RT PACK RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27, OPS CHECK GOOD.Jan 4, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016010414636Warning Light · false activationON TAXI IN FOUND RIGHT AIR CONDITIONING "PACK" LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE CHECK ON NR 1 AND NR 2 PACK IAW FIM 21-62-00-810-801. NO FAULTS, ALL TEST PASS.Jan 4, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016010314626Satcom · lockedSATCOM LOCK UP GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.Jan 3, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016010314622Warning Light · false activationRT PACK CAUTION LIGHT ILLUMINATED DURING CRUISE. 32,000 AND 40 PSI DUCT PRESSURE, RT PACK CAUTION DID NOT EXTINGUISH AFTER SYSTEM RESET. ACFT GROUNDED. PERFORMED FIM TASK 21-62, TASK 854, STEP E. MAINTENANCE MESSAGE SHOWN FOR RAM AIR EXIT. EXAMINED RAM AIR Jan 3, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015122214426Warning Light · false activationON LANDING LT & RT PACK LIGHT ILLUMINATED BOTH EXTINGUISHED APPROXIMATELY AFTER 1 MINUTE PUSHING MASTER CAUTION RECALL BOTH LIGHTS RE-ILLUMINATED. ACFT GROUNDED. PERFORMED BITE TEST PACK/ZONE TEMP CONTROLLERS IAW FIM 21-62-801, NR 1 CONTROLLER SHOWS RAM AIR IDec 22, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015122014349Warning Light · illuminatedLEFT PACK LIGHT ILLUMINATED ON CLIMB AT FL240. ACCOMPLISHED QRH AND LIGHT EXTINGUISHED, CONTINUED CLIMB. PACK LIGHT ILLUMINATED AT FL 257. AGAIN, ACCOMPLISHED QRH AND SELECTED LT PACK OFF. LEFT RAM AIR LIGHT INDICATED FULL OPEN ON CLIMB. ACFT GROUNDED. ONDec 20, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015122014348Warning Light · false activationLEFT PACK LIGHT ILLUMINATED ON CLIMBOUT AT ALMOST 8000 FT, TRIP RESET PROCEDURE RESET PACK LIGHT. LEFT PACK LIGHT CAME ON AGAIN AT 16,000 FT. ACFT GROUNDED. PACK RESET. PERFORMED FIM 21-53, TASK 817, LT PACK LIGHT ON. PERFORMED PACK CONTROL BITE CHECK WITH Dec 20, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015121614295Actuator · failedLEFT SIDE, RAM DOOR FULL OPEN, LIGHT IS ON DURING CRUISE FLIGHT AT FL 300 AND FL340. LIGHT REMAINED ON DURING DESCENT. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE REF FIM 21-62, TASK 801. R & R LT RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27. OPS TESTDec 16, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015112513977Warning Light · false activationAT CRUISE ALT, FL 340, WITH L NAV & V NAV ENGAGED THE ACFT DROPPED INTO "CWSR" AND ALT HOLD. BOTH FMC DISPLAYS WENT INTO "MENU" DISPLAYS. THERE WERE NO OTHER FMC/NAV CAUTIONS OR LIGHTS PRESENT. SYSTEM WAS RESTORED TO NORMAL OPS. ACFT GROUNDED. ACCOMPLISHEDNov 25, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015111813847Warning Light · false activationAT CRUISE ALTITUDE, BLUE "RAM AIR DOOR FULL OPEN" LIGHT STAYED ILLUMINATED. ACFT GROUNDED. FAULT CODE 215-160-00. PERFORMED BITE TEST OF PACK TEMP CONTROLLER, REF FIM 21-62, TASK 801. NO DEFECTS OR FAULTS LOGGED. PERFORMED FIM 21-51, TASK 803, NO DEFECTS Nov 18, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015111513784Satcom · lockedSATCOM LOCK UP ON THE GROUND. ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. SATCOM RESTORED NORMALNov 15, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015110713666Controller · failedUPON RECALL RT PACK LIGHT ILLUMINATED ALONG WITH CONTROLLER CAB AND FWD CAB ZONE TEMP LIGHTS. QRH ACCOMPLISHED. PACK LIGHT & ZONE TEMP WOULD NOT EXTINGUISH. ACFT GROUNDED. FOUND NR 2 ZONE TEMP CONT FAILED, NO TEST, NO LIGHTS. CYCLED C/B'S - NO HELP. REPLACENov 7, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015110313613Warning Light · intermittentON RECALL NR 2 PACK LIGHT. RESET GROUNDED. PERFORMED FIM 21-62, TASK 854. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. BITE VERIFICATION CHECK NORMAL.Nov 3, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015102713539Satcom · lockedSATCOM LOCKUP. ACFT GROUNDED. QRH FOLLOWED SUCCESSFULLY.Oct 27, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015102213518Circuit Breaker · failedDURING TAXI IN, NR 2 ENG SHUTDOWN. PUT THE APU GEN BUS TO ON AND LOST POWER ON BOTH BUSES. AFTER APU GEN BUS DISCONNECTED POWER, TRIED TO PUT THE NR 1 ENGINE. GENERATOR BACK ON LINE AND IT WOULDN'T CONNECT TO THE BUS. ACFT GROUNDED. REPLACED APU BREAKER C80Oct 22, 2015 · N431AS · Boeing 737990ER · Electrical Power System WiringSDR ASAA2015101513510Control Valve · warning lightFWD CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL, GOES OUT AFTER MASTER CAUTION RESET. ACFT GROUNDED. REF FIM 21-62T814, ACCOMPLISHED PIN TO PIN & PIN TO GROUND RING OUT, MEG CK OF WIRES FROM D15016 AT M2847 TO D3860A, REF WDM 21-61-13. ALSO, SHOOK DOWN ALLOct 15, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015101213475Warning Light · false activationFORWARD CAB ZONE TEMP ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED RT TEMP CONTROLLER BITE AND FOUND ZONE FAULT LIGHT ON. ABLE TO CLEAR FAULT REF 21-61-00. OPS CHECKED SYS, NO FAULTS RETURNED.Oct 12, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015101113460Fmc · failedLEFT FMC FAILED, DISPLAY OF VTK FAILED BY MAP AND FAILURE FLAGS ON LT SIDE. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836 ON ACFT POWERUP. OPS CK NORMAL, REF SAME FIM.Oct 11, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015100813423Satcom · malfunctionedMCDU MENU MISSING SATCOM PROMT. ACFT GROUNDED. PERFORMED SATCOM LOCKUP PROCEDURE FROM QRH. PERFORMED SUCCESFULLY.Oct 8, 2015 · N431AS · Boeing 737990ER · HF Communications SystemSDR ASAA2015100713392Satcom · malfunctionedNO SATCOM ON MCDU DURING PREFLIGHT. ACFT GROUNDED. PERFORMED QRH RESET PROCEDURE, SATCOM RESTORED.Oct 7, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015100313297Sensor · failedFWD CABIN ZONE TEMP ILLUMINATES IN RECALL, EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING IAW FIM 21-62, TASK 843. R & R FWD CABIN ZONE DUCT OVERHEAT SWITCH, S1076, REF AMM 21-61-05 AND FWD CABIN DUCT TEMP SENSOR, T533, REFOct 3, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015100213299Satcom · lockedSATCOM LOCKUP. ACFT GROUNDED. RESTORED WITH QRH PROCEDURE.Oct 2, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015100213296Control Valve · failedFWD CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL. EXTINGUISHES ON RESET. ACFT GROUNDED. BITE CHECK OF NR 2 CONTROLLERS SHOWS FWD CABIN SENSOR FAULT AND PREVIOUS FAULT. UNABLE TO CONTROL TEMPERATURE FWD CABIN EVEN THOUGH MASTER CAUTION RESETS FAULT LIGHT. ROct 2, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015092513202Sliding Window · malfunctionedWINDOW HEAT AMBER OVERHEAT LIGHT ILLUMINATED IN CRUISE FLIGHT, RT "SIDE" WINDOW QRH PRCDR FOLLOWED AMBER OVERHEAT LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED WHCU RT SIDE BITE, SEVERAL LOGGED FAULTS FOR WINDOW SENSOR. FOLLOWED FIM 30-41, TASK 801Sep 25, 2015 · N431AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2015092413190Sensor · malfunctionedUPON MASTER CAUTION "RECALL" CHECK, ON AFTER START FWD CAB ZONE TEMP LIGHT ILLUMINATED REF ACCOMPLISHED QRH & NOTIFIED MAINTENANCE CONTROL. LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. REPLACED FWD CABIN TEMP SENSOR, OPS NORMAL REF MM 21-61-10-Sep 24, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015092213164Satcom · faultedSATCOM PROMPT MISSING ON MCDU. ACFT GROUNDED. PERFORMED SAT COM CB RESET, SYS RETURNED TO NORMAL OPS. REF TASK 23-15, TASK 801.Sep 22, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015091213017Warning Light · false activationRIGHT SIDE WINDOW HEAT LIGHT ILLUMINATED IN FLIGHT. RAN CHECKLIST, LIGHT STAYS ILLUMINATED. ACFT GROUNDED. OPENED AND RESET BOTH WINDOW HEAT RT SIDE POWER AND CONTROL CB'S. ACCOMPLISHED BITE TEST ON WHCU RT SIDE NO FAULTS NOTED. ACCOMPLISHED WINDOW HEAT RSep 12, 2015 · N431AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2015091113009Satcom · lockedSATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE PERFORMED. PROBLEM RESOLVED.Sep 11, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015090712969Circuit Breaker · trippedON PREFLIGHT, FOUND P6-4, E16 CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. INSPECTED FOR EVIDENCE OF BURN ODOR AND NO ODOR NOTED RESET BREAKER IAW AMM 20-60-01, CIRCUIT BREAKER REMAINS IN. NO HISTORY 30 DAYS, OK FOR SERVICE.Sep 7, 2015 · N431AS · Boeing 737990ER · DC Generating SystemSDR ASAA2015090712962Warning Message · false activationFMC DISAGREE. ACFT GROUNDED. RESOLVED IAW QRH. OPS NORMAL.Sep 7, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015083112981Satcom · lockedSAT LOCKUP, ACFT GROUNDED. PERFORMED QRH SATCOM LOCK-UP PAGE 5.3, DISPLAYED NORMALLY.Aug 31, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015082712947Satcom · lockedSATCOM LOCK-UP AFTER POWER TRANSFER. ACFT GROUNDED. PERFORMED QRH 5.3 AND SATCOM OPERATES NORMALLY.Aug 27, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015080112651Sensor · malfunctionedFWD ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. REPLACED FWD CABIN ZONE TEMP SENSOR IAW AMM 21-61-10. OPS CHECKED NORMAL.Aug 1, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015071812469Satcom · lockedSATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE COMPLETED SUCCESSFULLY.Jul 18, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015071812465Filter · dirtyFWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. BITE TEST OF ZONE TEMP CONTROLLERS IAW MM 21-61-00 HAS FAULT ON NR 2 CONTROLLER, ZONE SENSOR. FOUND FWD CABIN SENSOR FILTER DIRTY. CLEANED FILTER. OPERATED PACKS AND FWD CAB INDICATES NORMALLY.Jul 18, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control System
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