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 ASAA2015071412441Satcom · malfunctionedLOST SATCOM PROMPT ON MCDU MENU. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE AND RESTORED PROMPT. OPS NORMAL.Jul 14, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015071312419Connector · damagedFOUND NR 2 ENGINE DRIVEN HYDRAULIC PUMP SHUTOFF SOLENOID CONNECTOR BAD. ACFT GROUNDED. REPLACED NACELLE HARNESS, MW0312. OPS CHECKED GOOD. IAW AMM 71-51-03.Jul 13, 2015 · N431AS · Boeing 737990ER · Hydraulic Power System WiringSDR ASAA2015071212408Warning Light · false activationRAM AIR FULL OPEN LIGHT REMAINED ILLUMINATED THE ENTIRE FLIGHT. ACFT GROUNDED. PERFORMED BITE TEST, PACK CONTROLLER IAW AMM 21-51-00-700-803, NO FAULTS. CHECKED RAM AIR SRADAS, 2, GREEN LIGHTS ON NORMAL. CHECKED RAM AIR INLET AND OUTLET NO BLOCKAGE. NO HISTJul 12, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015071012390Fmc · malfunctionedRIGHT FMC FAILED, DID NOT RESTORE AFTER QRH CHECKLIST. ACFT GROUNDED. ACCOMPLISHED FIM 34-61, TASK 836. DUAL FMC OPS RESTORED. GROUND VERIFICATION TEST GOOD.Jul 10, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015070912393Switch · failedLEFT FUEL FILTER BYPASS LIGHT ILLUMINATED AT APPROX 1000' AGL AFTER T/O. ACFT GROUNDED. RETURNED TO DEPARTURE. ON ARRIVAL, FOUND NO FILTER BYPASS LIGHT ENGINE NR 1, PERFORMED EEC BITE TEST, GV OF SWITCH AND CONNECTOR FILTER BYPASS SHOWS NO CLOG. REPLACEDJul 9, 2015 · N431AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2015070112304Valve · malfunctionedMASTER CAUTION AND RT PACK LIGHT ILLUMINATED ON SHORT FINAL. ACFT GROUNDED. REPLACED CONNECTOR, D3872 IAW WDM 21-52-22 AND TEMPERATURE CONTROL VALVE, PRECAUTIONARY, IAW MM 21-51-10-000-801/21-51-10-400-801. PERFORMED TEMP CONTROL VALVE INSTALLATION TEST IAWJul 1, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015062912261Control Valve · failedON CLIMB OUT, AT APPROXIMATELY FL220 CONTROL CABIN BECAME VERY WARM AND GOT WARMER AS CLIMB CONTINUED. AT FL 340, THE CONTROL CABIN DUCT TEMP WAS AT 60 DEG C. TEMP CONTROL INPUTS HAD NO AFFECT. FOLLOWED STEPS IN FLEET INFO BULLETIN DATED 9/12/14 WITH NO SUCJun 29, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015062812249Control Valve · failedCLIMB AND CRUISE, WARM AIR ENTERING FLIGHT DECK & CABIN, ALL ZONE SELECTORS FULL COLD, STILL WARM AIR. ACFT GROUNDED. ACCOMPLISHED BITE ON BOTH PACK TEMP CONTROLERS, BOTH CONTOLLERS FAULTED THE TCU IAW MM FIM 21-62 TASK 801-14584. CLEANED TEMPERATURE SENSORJun 28, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015061412086Warning Light · false activationNR 1 "RAM DOOR FULL OPEN" BLUE LIGHT ILLUMINATED THE ENTIRE FLIGHT. ACFT GROUNDED. IAW AMM 21-51-00-700-803 PERFORMED PACK TEMP CONTROL BITE TEST. NO FAULTS FOUND. LEFT RAM AIR DOOR LIGHT EXTINGUISHED NO HISTORY LAST 30 DAYS. OK FOR CONTINUED SERVICE.Jun 14, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015061212078Satcom · malfunctionedNO SATCOM PROMPT, ACFT GROUNDED. PERFORMED "SATCOM LOCK UP" QRH CHECKLIST SATCOM WAS RESTORED.Jun 12, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015053111923Circuit Breaker · trippedPACK CONTROL LT A/C CIRCUIT BREAKER TRIPPED P6-4 (A-11). ACFT GROUNDED. INSPECTED CIRCUIT BREAKER PANEL, NO DEFECTS NOTED. RESET CIRCUIT BREAKER, PERFORMED CABIN TEMP CONTROL OPS CHECK IAW AMM 21-61-00, NO DEFECTS NOTED.May 31, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015051911787Lens · missingMISSING LENS ON 14 DEF EMERGENCY LIGHT. ACFT GROUNDED. INSTALLED EAL LENS IAW AMM 33-51-03.May 19, 2015 · N431AS · Boeing 737990ER · Emergency LightingSDR ASAA2015051611735Warning Message · false activationDATA LINK FAIL ON FMC. ACFT GROUNDED. PERFORMED SATCOM SYSTEM TEST, NO FAIL PROMPT, OPS CHECK GOOD IAW AMM 23-15-00.May 16, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015051011682Warning Message · false activationFMC DISAGREE. ACFT GROUNDED. RESOLVED IAW QRH.May 10, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015050911648Satcom · lockedSATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED QRH SATCOM LOCKUP PROCEDURE 5.3 -RESET SUCCESSFUL.May 9, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015043011602Warning Message · false activationFMC DISAGREE ON GROUND. ACFT GROUNDED. OPS NORMAL IAW QRH.Apr 30, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015040411221Controller · faultedCONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AFTER START. LIGHT RESETS W/ MASTER CAUTION RESET AND TEMPERATURE DOES RESPOND TO RHEOSTAT. ACFT GROUNDED. ACCOMPLISHED BITE OF TEMP CONTROLLERS, CLEARED FLIGHT DECK TRIM VALVE FAULT ON NR 2 CONTROLLER. NO FApr 4, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015032811145Satcom · inoperativeSAT COMM INOPERATIVE. ACFT GROUNDED. RESET VIA QRH PROCEDURE. OPS NORMAL.Mar 28, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015032511125Connector · unsecureNR 1 ENGINE START VALVE LIGHT REMAINED ILLUMIMATED AFTER START. FOLLOWED QRH PROCEDURES. LIGHT STAYED ON, SHUT ENGINE DOWN. RETURN TO GATE. ACFT GROUNDED. CHECKED START VALVE ON NR 1 ENGINE AND SECURED START VALVE CONNECTOR. RAN NR 1 ENGINE OPS CHECKED GMar 25, 2015 · N431AS · Boeing 737990ER · Engine Starting System WiringSDR ASAA2015032511122Warning Message · false activationDURING CRUISE AT FL340, GOT A "VTK" AND "MAP" ON RT FMC. L NAV AND V NAV DISCONNECTED. WAS STARTING TO RUN CHECKLIST WHEN PROBLEM SELF CORRECTED. ACFT GROUNDED. BOTH FMC'S OPS NORMAL, REF MM 34-61-00. ACFT GROUND VERIFICATION GOOD.Mar 25, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015022710799Unknown · unknownCAPTAIN STATES THAT NO SATCOM APPEARS ON MCDU PAGE. ACFT GROUNDED. PERFORMED TEST IAW MM TAK 23-15-00-730-801. TESTED NORMAL. OK FOR SERVICE.Feb 27, 2015 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2015022310749Actuator · failedLEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. WHILE APPLYING MEL FOUND LT AC BAY EXHAUST DUCT, TO LOUVERS, TORN. REPLACED FLEX DUCT IAW MM 21-51-24-400-801, STEP I 3, C&D, LEAK CHECKED GOOD. RAM AIR EXHAUST ACTUATOR INSTALL STEP 6 GROUNFeb 23, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015012410387Valve · failedCONTOL CABIN ZONE TEMP ILLUMINATES ON MC RECALL, RESETS WITH MASTER CAUTION. CONTROLLABLE WITH CONTROL CABIN TEMP SELECTOR. ACFT GROUNDED. PERFORMED PACK ZONE TEMP. CONTROLLER BITE TEST IAW AMM 21-61-00. FOUND FAULT ON CONTROL CABIN TRIM AIR MODULATING VALJan 24, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015012010320Controller · malfunctionedON RECALL, FWD CABIN ZONE TEMP LIGHT ILLUMINATED TEMP SHOWS 52 DEG C WAS UNABLE TO CONTROL THE TEMPERATURE OR GET LIGHT TO GO OUT WITH CHECKLIST. ACFT GROUNDED. PERFORMED BITE TEST OF BOTH CABIN/ ZONE TEMP CONTROLLERS NR 2 CONTROLLER SHOWED ZONE FAULT. RESETJan 20, 2015 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015011110226Keyboard · intermittentF/O MCDU LINE SELECT KEY L-1 INTERMITTENT. ACFT GROUNDED. R & R FMCS CDU KEY BOARD, OPS CK NORMAL REF MM 34-61-01.Jan 11, 2015 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015010610161Actuator · failedFWD CABIN ZONE, TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL ONLY-RESETS WITH MASTER CAUTION. ACFT GROUNDED. RIGHT RAM AIR DEFLECTOR DOOR STICKS IN THE GROUND POSITION FOUND DURING T/S. PERFORMED FIM 21-62 TASK 843, NR 2 CONTROLLER LOGGED FWD ZONE TEMP VJan 6, 2015 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014123010107Fmc · failedLEFT FMC FAILURE. ACFT GROUNDED. REMOVED NR 1 FMC COMPUTER. INSPECTED RACK CONNECTORS AND WIRES. NO DAMAGE NOTED. INSTALLED NEW FMC COMPUTER. OPS CHECKED GOOD IAW AMM 34-61-02 & IPC 34-61-02-02B.Dec 30, 2014 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014121709991Satcom · malfunctionedCREW REPORTS SAT PROMPT DISAPPEARED FROM CDU MENU PAGE. ACFT GROUNDED. FOLLOWED QRH, PROMPT REAPPEARED.Dec 17, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014121209932Fmc · failedLEFT FMC FAILED AT CRUISE. ACFT GROUNDED. REPLACED LT NR 1 FMC IAW AMM 34-61-02.Dec 12, 2014 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014112422686Link · looseWHILE ACCOMPLISHING TC 78472000, NR 1 ENGINE OTBD SUPPORT LINK LOOSE FWD OF THE ENGINE COWL TAI VALVE. ACFT GROUNDED. REPLACED THE OTBD SUPPORT LINK IAW MANUAL 71-00-02.Nov 24, 2014 · N431AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2014111909703Satcom · lockedSATCOM LOCKED UP ON THE GROUND. ACFT GROUNDED. FOLLOWED CHECKLIST, AND RESET THE CB. AFTER 1 MINUTE OR 2, THE SATCOM PROMPT RETURNED TO THE MENU PAGE.Nov 19, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014111509673Warning Message · false activationFMC DISAGREE, ACFT GROUNDED. QRH CHECKLIST SUCCESSFULLY COMPLETED.Nov 15, 2014 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014111509657Satcom · malfunctionedSATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE SUCCESSFULLY COMPLETED. OPS NORMAL.Nov 15, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014102709513Warning Light · false activationCONTROL CABIN ZONE TEMP LIGHT CAME ON WHEN RECALL PUSHED. LIGHT WENT OUT WHEN MASTER CAUTION RESET WAS PUSHED. ACFT GROUNDED. PERFORMED NR 2 CONTROLLER BITE 21-62, TASK 801. FOUND MESSAGE FLT DECK TRIM VALVE FAULT. RESET FAULT. GROUND RAN RT PACK FOR 1 HOUOct 27, 2014 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2014092209199Engine · shutdownMULTIPLE FLIGHT DISPLAY ERRORS ON GROUND POWER TRANSFER, ENGINE SHUTDOWN, ALL NORMAL UNTIL ENGINE SHUTDOWN. ACFT GROUNDED. ACCOMPLISHED OPS TEST FOR AC GENERATION AND CONTROL SYSTEM. ALL TEST PASSED IAW MM 24-21-00-700-803.Sep 22, 2014 · N431AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2014082408945Satcom · lockedSATCOM LOCKED UP. ACFT GROUNDED. QRH PROCEDURE SUCCESSFULLY ACCOMPLISHED. OPS NORMAL.Aug 24, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014081408849Satcom · lockedNO SATCOM PROMPT, ACFT GROUNDED. SATCOM LOCKED UP PROCEDURE SUCCESSFULLY ACCOMPLISHED.Aug 14, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014070608463Satcom · malfunctionedSATCOM NOT WORKING. ACFT GROUNDED. CYCLED C/B FOR SATCOM IAW FIM 23-15-00-23-801. SATCOM OPS CHECK GOOD.Jul 6, 2014 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2014062508352Autoland Sys · malfunctionedHGS AUTOLAND FAILED. LANDED TO FAR RT OF CETER LINE HALFWAY BETWEEN CENTER LINE AND RUNWAY EDGE. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 825, PERFORMED LAND VERIFY TEST, AMM TASK 22-11-00-700-801. NO FAULTS. NO HISTORY LAST 30 DAYS. PERFORMED HGS SYS TESTJun 25, 2014 · N431AS · Boeing 737990ER · Autopilot SystemSDR ASAA2014061608235Lamp · inoperativeEXTERIOR EMERGENCY LIGHT, RT FWD OVERWING EXIT INOPERATIVE. ACFT GROUNDED. REPLACED LAMP. OP CHECKED NORMAL.Jun 16, 2014 · N431AS · Boeing 737990ER · Emergency LightingSDR ASAA2014061508205Fmc · malfunctioned"VTK" AND "MAP" ANNUNCIATED ON MAP MODE DISPLAY CONFIRMED LT FMC INOPOPERATIVE VIA CHECKLIST, CONTINUED SINGLE RT FMC OPERATION. ACFT GROUNDED. CYCLED NR 1 FMC CIRCUIT BREAKER, SYS RESTORED & CKS NORMAL IAW 34-61-00, GROUND CONF SUCCESSFUL.Jun 15, 2014 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014060107990Drain · leakingNR 2 ENGINE HAS HISTORY OF FUEL LEAKS ON THE GROUND AT ENGINE START ON FIRST FLIGHT OF THE DAY. ACFT GROUNDED. REPLACED NR 2 ENG TBV IAW AMM 75-23-01. FOUND LEAK COMING FROM FUEL PUMP PAD DRAIN. ACCOMPLISHED FUEL PACKAGE REMOVAL IAW AMM 73-11-01-000-801-F0Jun 1, 2014 · N431AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2014050507704Probe · failedAFTER START, TEMP PROBE LIGHT REMAINS ILLUMINATED. ACFT GROUNDED. R & R TOTAL AIR TEMPERATURE PROBE IAW MM 34-21-21.May 5, 2014 · N431AS · Boeing 737990ER · Outside Air Temperature Indicator/SensorSDR ASAA2014040907495Trim System · malfunctionedSPEED TRIM FAIL LIGHT COME ON DURING RECALL. ACFT GROUNDED. COULD NOT DUPLICATE. DFCS SPEED/TRIM SURFACE TEST GRP 60, LIBRARY 32 FUNCTIONS NORMAL, IAW MM 22-11-00. NO FAULTS.Apr 9, 2014 · N431AS · Boeing 737990ER · Speed-Attitude Correction SystemSDR ASAA2014040907494Switch · out of positionAUTOPILOT AB WOULD NOT ENGAGE AFTER TAKE OFF. FOUND AUTOPILOT STAB TRIM SWITCH IN CUTOUT POSITION, WORK NORMAL WITH SWITCH IN NORMAL. ACFT GROUNDED. PERFORMED DFCS LAND VERIFY GRP 49, IAW MM 22-11-00 AND HGS SYS TEST, IAW SMM 34-36-0. GROUND VERIFICATION SUApr 9, 2014 · N431AS · Boeing 737990ER · Autopilot SystemSDR ASAA2014032807340Control Valve · malfunctionedAFTER START, OBSERVED ILLUMINATION OF LEFT PACK LIGHT DURING MASTER CAUTION RECALL. PACK LIGHT EXTINGUISHES WHEN MASTER CAUTION SYS IS RESET. ACFT GROUNDED. REPLACED TEMPERATURE CONTROL VALVE IAW AMM 21-51-10/401. OPS CHECKED GOOD. NO FAULTS FOUND.Mar 28, 2014 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014031807243Transceiver · damagedWEATHER RADAR SHOWING FALSE RETURNS 15-30 DEGREES RT OF COURSE. DOES IT IN BOTH AUTO AND MANUAL MODES. MORE PRONOUNCED IN AUTO MODE. ACFT GROUNDED. PERFORMED FIM 34-43, TASK 801- NO FAULTS, OPS TESTED GOOD. FAN FUNCTIONAL W/GOOD AIRFLOW. UNABLE TO PERFORM Mar 18, 2014 · N431AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2014022707025Indicator · failedCABIN TEMP GAUGE INOPERATIVE. ACFT GROUNDED. R & R CABIN TEMP INDICATOR REF MM 21-61-32. OPS NORMAL IAW SAME. ETOPS GROUND VERIFICATION TEST PASSED.Feb 27, 2014 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2014021606864Warning Message · false activation"BLUE" MAINTENANCE LIGHT ILLUMINATED, ON APU PANEL. ACFT GROUNDED. PERFORMED FIM TASK 49-90, TASK 804. OPS CHECKED NORMAL, LOW OIL QTY-FAULT ISOLATION. APU OIL LEVEL FULL. NO MAINTENANCE MESSAGE AT CURRENT STATUS CDU.Feb 16, 2014 · N431AS · Boeing 737990ER · APU Oil SystemSDR ASAA2014020306768Warning Message · false activationFMC DISAGREE WARNING DISPLAYED DURING TAXI TO RUNWAY. ACFT GROUNDED. COMPLETED QRH PROCEDURE. WARNING DISAPPEARED.Feb 3, 2014 · N431AS · Boeing 737990ER · Flight Management Computing Hardware System
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