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 ASAA2017122723051Fuel Nozzle · faultedAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE MAINTENANCE THRESHOLD OF 593 BUT LESS THAN 605 DEGREES. ETOPS SIGNIFICANT SYSTEM. ACFT GROUNDED. REMOVED AND REPLACED THE APU FUEL NOZZLES AND SHROUDS. OPS AND LEAK CHECKED GOOD IAW AMM 49-31-14. RSDR ASAA2017112622699Actuator · failedRIGHT PACK LIGHT ILLUMINATES DURING RECALL. ACFT GROUNDED. FOUND RAM AIR INLET ACTUATOR FAULT ON PACK/ZONE TEMP CONTROLLER NR 2 BITE. REPLACED THE NR 2 PACK RAM AIR INLET ACTUATOR IAW AMM 21-51-21/400. OPS CHECKED GOOD.SDR ASAA2017101522188Actuator · failedLEFT PACK LIGHT ILLUMINATED ON RECALL. GOES OFF ON RESET. ACFT GROUNDED. LT PACK ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002, SHOWS HARD FAIL OF THE LT RAM AIR INLET ACTUATOR. REMOVED & REPLACED THE RAM AIR INLET ACTUATOR IAW AMM 21-51-21, GROUNSDR ASAA2017100122094Light · intermittentPRESSURIZATION CONTROL PANEL BACKLIGHTING INOPERATIVE. PRESSURIZATION OPERATES NORMALLY. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 803, STEP G. LIGHTING ON PANEL RETURNED TO NORMAL. INTERMITTENT FAULT AND SYSTEM IS SERVICEABLE IAW FIM.SDR ASAA2017092722064Filter · obstructedF/A REPORTED AN EXCESSIVELY HOT TEMPERATURE AT ROWS 6 - 12. TRIM AIR TURNED OFF IAW QRH. ACFT GROUNDED. RETURNED TRIM AIR SWITCH TO ON. BITE CHECKED BOTH ZONE TEMP CONTROLLERS IAW FIM 21-61, TASK 801, NO FAULTS. FOUND FWD ZONE FAN FILTER COMPLETELY BLOCKESDR ASAA2017091021884Switch · failedNR 2 ENGINE, ENG VALVE CLOSED LIGHT IS BRIGHT WITH START LEVER IN CUTOFF. ACFT GROUNDED. PERFORMED FIM 73-06, TASK 804, FOUND THE HPSOV SWITCH RESISTANCE VALUES OUT OF LIMITS. REMOVED AND REPLACED HPSOV SWITCH IAW AMM 73-21-09/401. OPS CHECKED AND REPAIRSDR ASAA2017082921757Actuator · failedR/H "ENG VALVE CLOSED" IS BRIGHT WITH THE START LEVER IN THE CUTOFF POSITION. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE SPAR VALVE IAW AMM 28-22-11. OPS CHECKED GOOD IAW AMM 28-22-00-710-801 ELECTRICAL CONTROL AND INDICATION TEST. GROUND VERIFICATISDR ASAA2017060720979Light · inoperativeAFTER AIRBORNE, NOTICED LED LIGHTING ON PRESSURIZATION CONTROL PANEL BLANKED OUT. ALTERNAT LANDING ALT & OUTFLOW VALVE INDICATOR INOPERATIVE. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 803. VERIFIED ALL CIRCUIT BREAKERS ON P6-4 WERE SET. LIGHTING RETURNED TO PSDR ASAA2017051920823Shim · wornNR 1 ENGINE SHIMS WORN. ACFT GROUNDED. REPLACED THE FAN BLADE SHIMS.SDR ASAA2017041720477Fmc · malfunctionedLEFT FMC FAILED. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836, FMC DOES NOT OPERATE. NO DEFAULTS NOTED. GOOD FOR RETURN TO SERVICE.SDR ASAA2017031620217Thermocouple · failedENGINEERING REQUESTS THE FOLLOWING TROUBLESHOOTING FOR CT5ATP FLUCTUATION. GROUNDED - YES. ACCOMPLISHED APU BITE CHECK, NO FAULTS NOTED, REF AMM 49-61-00-700-801. ACCOMPLISHED APU BLEED AIR LEAK CHECK, NO FAULTS NOTED, REF AMM 49-11-00-860-801. REMOVED AND REPSDR ASAA2017021119767Fmc · malfunctionedDUAL FMC FAILURE DURING CRUISE. AFTER A FEW MINUTES, BOTH FMCS BEGAN WORKING AGAIN FOR THE REMAINDER OF THE FLIGHT. ACFT GROUNDED. PERFORMED BITE PROCEDURES FOR FMC SYSTEM IAW FIM 34-61, TASK 801, NO FAULT NOTED, OK FOR SERVICE.SDR ASAA2017020719734Unknown · malfunctionedVTK FLAG F/O SIDE, OPENED QRH TO FMC FAIL, BEFORE CHECKLIST WAS RUN FLAG DISAPPEARED AND NORMAL OPERATION WAS RESTORED. GROUNDED - YES. SYS OPS NML REF AMM TASK 34-61-00-860-801.SDR ASAA2017020419666Pump · failedNR 1 AFT BOOST PUMP LOW PRESSURE LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED THE BOOST PUMP IAW AMM 28-22-41. OPERATIONAL AND LEAK CHECKED GOOD.SDR ASAA2017012419540Probe · failedTEMPERATURE PROBE HEAT ILLUMINATED WITH PROBE HEAT TURNED ON. ACFT GROUNDED. REMOVED AND REPLACED TAT PROBE IAW AMM 34-21-06. OPS CHECKED TAT PROBE IAW AMM 30-31-00. ALL OPS CHECKED NORMAL.SDR ASAA2017010719247Control Valve · faultedON RECALL, RT PACK LIGHT ANNUNCIATOR ILLUMINATED, EXTINGUISHED ON SYSTEM RESET. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE. NR 1 TEMP CONTROL TEST PASSED NO FAULTS NOTED. NR 2 TEMP CONTROL SHOWED TCV FAULT IAW FIM 21-62 TASK 801. ACCOMPLISHSDR ASAA2017010619245Warning Light · false activationRIGHT A/C PACK LIGHT ILLUMINATED AFTER RECALL. ACFT GROUNDED. RIGHT PACK PRIMARY TEMP CONTROL INOPERATIVE. BITE OF NR 2 CONTROLLER SHOWS TCV FAULT. FAULT CLEARS AND BITE GOOD IAW AMM 21-61-20-400-801.SDR ASAA2016122819186Lamp · inoperativeL2 EXTERIOR EMERGENCY SPOTLIGHT INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMP. OPS NORMAL.SDR ASAA2016102118448Keyboard · inoperativeFIRST OFFICER`S FMC LINE SELECT KEY 6R INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED FO CDU KEYBOARD. IAW AMM 34-61-01.SDR ASAA2016092318107Actuator · failedPUSHED OFF GATE AND RAN AFTER START CHECKLIST. AFTER SELECTING "RECALL", LEFT PACK LIGHT ILLUMINATED. RAN PACK CHECKLIST AND LIGHT EXTINGUISHED AFTER PUSHING MASTER CAUTION. ACFT GROUNDED. OBSERVED FAULT CODE 215-310-41. REPLACED RAM AIR INLET DOOR ACTUATOR, SDR ASAA2016092118094A/C Pack · malfunctionedAFTER START LEFT PACK LIGHT ILLUMINATED UPON RECALL. EXTINGUISHED AFTER PRESSING MASTER CAUTION RESET. ACFT GROUNDED. NR 1 TEMP CONTROL LOGGED RAM AIR ACT FAULT. ACCOMPLISHED AMM 21-61-00-700-806-002. SYSTEM TESTS GOOD.SDR ASAA2016090817970Warning System · false activationLEFT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. BITE OF CONTROLLERS DOES NOT SHOW ANY FAULTS. BOTH CONTROLLERS BITE GOOD, REF FIM 21-61-20-400-801.SDR ASAA2016090517938Antenna · failedDURING THE FIRST 15 MINUTES OR SO OF RADAR USE IN AUTO RADAR SHOWED NUMEROUS FALSE RETURNS BETWEEN 160 AND ABOUT 120 NM. RETURNS STAYED AT SAME PLACE AND DID NOT GET CLOSER OVER TIME AS WOULD BE THE CASE IF THEY WERE ACTUAL WEATHER RETURNS. THERE WAS NO ACTUSDR ASAA2016090417906Transceiver · faultedENROUTE, WEATER RADAR SHOWS LARGE NUMBER OF RETURNS AT 160-120 NM. AS WE APPROACH THEY WOULD DISAPPEAR. WX RADAR GAIN WAS SET TO NORMAL ON BOTH SIDES AUTO ON WX+T ON BOTH SIDES. WX TEST DID NOT APPEAR TO WORK AND DISPLAYED WX FAIL AND PWS FAIL AFTER THE TEST. SDR ASAA2016082317788Oil Cooler · leakingREF TSR908126: APU OIL MONITORING DATA SHOWS OIL CONSUMPTION TO BE TRENDING HIGHER THAN EXPECTED. ACCOMPLISHED FIM TASK 49-95-801 UP TO STEP E-1-B. WHILE ACCOMPLISHING TSR 908126 FOUND APU OIL COOLER LEAKING. ACFT GROUNDED. REPLACED APU OIL COOLER, REF AMMSDR ASAA2016081617729Display · malfunctionedLEFT MCDU BLANKED OFF 30 SECONDS, CAME BACK ON BITE PAGE, THEN NORMAL OPERATIONS. ACFT GROUNDED. SYSTEM TESTED GOOD IAW AMM TASK 34-61-00-710-801. NO HISTORY.SDR ASAA2016071617399Exciter · failedAPU FAULT LIGHT ILLUMINATED, FAILED TO START. ACFT GROUNDED. REMOVED AND REPLACED APU IGNITION EXCITER IAW AMM 49-41-31. OPS CHECKED GOOD.SDR ASAA2016071517392Valve · failedDUCT PRESSURE SPLIT OF 21 PSI AT CRUISE. LEFT 25 PSI, RIGHT 46 PSI AT FL 360, 90 PERCENT N1 BOTH LEFT AND RIGHT DUCT PRESSURE LOW IN CLIMB, FL 350 LEFT 20 PSI, RIGHT 24 PSI AT 101 PERCENT N1. ACFT GROUNDED. ACCOMPLISHED T/C NG-36WC-00001 ENGINE BLEED AIR SYSSDR ASAA2016070517272Satcom · lockedSATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.SDR ASAA2016070217253Hmu · leakingNR 2 ENGINE EEC FAULT 73-30352, SHORT TERM FMV POSTION SIGNAL DISAGREE. NR 2 ENGINE EEC FAULT 73-20342 FMV POSITION SIGNAL OUT OF RANGE SHORT TERM. ACFT GROUNDED. ON INITIAL EVALUATION OF CONNECTOR DP0501 AND DP0601 FOUND FUEL PRESENT IN CONNECTORS AND RECESDR ASAA2016062517160Connector · contaminatedWHILE ACCOMPLISHING T/C 7827300 FAULT CODE, APPEARED ON NR 2 ENGINE. THE FMV POSITION SIGNALS DISAGREE. MUST BE CORRECTED IN 50 HRS. ACFR GROUNDED. REF LOG 11622130 FOR WORK ACCOMPLISHED. INITIAL EVALUATION HAD EEC CHANNEL B HMU RESOLVER COSINE RESISTANCESDR ASAA2016051816793Display · malfunctionedF/O CDU BLANKED MOMENTARILY AND ALL KEY PAD MESSAGE LIGHTS ILLUMINATED. AFTER APPROXIMATELY 30 SECONDS CDU RETURNED TO NORMAL. ACFT GROUNDED. TROUBLESHOT IAW FIM 34-61, TASK 804. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. HAS NO OTHER RECENT HISTORY.SDR ASAA2016051716774Igniter · failedWHILE PERFORMING TSR 908005, FAULT CODE 49-41011 DISPLAYED ON APU BITE CHECK AND FAULT LIGHT ILLUMINATED. ACFT GROUNDED. DURING APU START UP NO NOISE HEARD FROM THE IGNITER PLUG. REPLACED IGNITER PLUG AND APU IGNITION UNIT REF AMM 49-41-51 AND 49-41-31. OPS SDR ASAA2016051516756Igniter · failedAPU FAULT LIGHT CAME ON AT ATTEMPTED START. ACFT GROUNDED. REPLACED IGNITER PLUG AND APU IGNITION UNIT IAW AMM 49-41-51 AND 49-41-31. OPS TEST GOOD, BITE CHECKED GOOD.SDR ASAA2016051316747Generator · failedAPU HAS HISTORY OF FAULT LIGHT ILLUMINATION WITH FAULT CODE 49-41254. ACFT GROUNDED. REPLACED APU STARTER GENERATOR REF AMM 49-41-21. OPS TEST GOOD NO LEAKS NOTED.SDR ASAA2016051016689Warning Light · false activation1ST ATTEMPT ON APU START AFTER LANDING GOT AN APU FAULT LIGHT. RAN QRH TURNED OFF APU SWITCH. AFTER APPROX 3 MIN LIGHT EXTINGUISHED. STARTED APU NORMALLY ON SECOND ATTEMPT. ACFT GROUNDED. FOUND FAULT 49-41254 LOGGED IN HISTORY. FOLLOWED FIM 49-40 TASK 82SDR ASAA2016042916564Control Valve · failedLT PACK CAUTION LIGHT ILLUMINATES ON RECALL CANCELS W/ MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE TEST OF NR 1 ZONE TEMP CONTROLLER REF AMM TASK 21-61-00-810-801. ZONE TEMP CONTROL INDICATES TCV FAILURE. REPLACED LT PACK TEMP CONTROL VALVE REF AMM SDR ASAA2016040816298Filter · cloggedON RECALL CHECK LT PACK AMBER LIGHT ILLUMINATES. LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE, NR 2 SHOWS NO FAULTS, NR 1 SHOWS THIS PACK TCV, VALVE 139. CLEARED FAULT. CLEANED ALL 3 CABIN TEMP SENSOR FILTERS SDR ASAA2016031716002Warning Light · false activationAPU FAULT LIGHT DURING START. ACFT GROUNDED. FAULT CODE 49-41254 FOUND START CONVERTER UNIT SHOWS START SYSTEM INOPERATIVE. STARTED APU IAW FIM, TASK 49-40, TASK 821. GROUND VERIFICATION GOOD. APU ON DEMAND PROGRAM INOPERATIVE. SUCCESSFUL CSS MESSAGE RECSDR ASAA2016022215623Valve · failedCONT CAB ZONE TEMP LIGHT ILLUMINATES UPON MASTER CAUTION RECALL. ACFT GROUNDED. ACCOMPLISHED PZT CONTROL BITE, FAULT CONTROL CABIN VALVE CLEARED. DUE TO HISTORY R & R SAME. OPS & LEAK CHECK GOOD. GROUND VERIFICATION SUCCESSFUL. REF AMM 21-61-00-700-806-002,SDR ASAA2016022115605Valve · failedFLIGHT DECK TEMP CONTROL INOPERATIVE, WHEN TRIM AIR TURNED OFF CONTROLLER WORKED. ACFT GROUNDED. ZTP NR 1 AND NR 2 LOGGED NO FAULTS IN FAULT HISTORY AND NO EXISTING FAULTS REF FIM 21-62 TASK 801. ACCOMPLISHED FIM 21-61, TASK 861 A THROUGH K,1,B. R & R TRIM ASDR ASAA2016021015390Warning Flag · false activation"MAP" FLAG DISPLAYED ON CAPTAIN SIDE. ACFT GROUNDED. MOVED CAPTAIN ADIRU SWITCH TO ALIGN POSITION. GROUND VERIFICATION TEST NORMAL, FIM TASK 34-61-00.SDR ASAA2016012915180Sensor · failedCONTROL CABIN CONTROLLER NOT KEEPING UP, BLOWING COOL AIR IN FULL HOT POSITION, FINALLY STARTED TO WORK AFTER 10 MIN. ACFT GROUNDED. TROUBLESHOT IAW FIM TASK 21-61 TASK 801. COULD NOT DUPLICATE FAULT. PERFORMED ZTC BITE, NO FAULTS NOTED, REF FIM 21-62 TASK SDR ASAA2016012715063Module · failedAT CRUISE, THE FLIGHT DECK DOES NOT STAY WARM ENOUGH WITH THE CONTROL CABIN TEMP SELECTOR FULLY WARM, THE SUPPLY DUCT TEMP FOR THE CONTROLLER CABIN WILL NOT GO WARMER THAN 30 DEGREES C. ACFT GROUNDED. RECONNECTED D492 ON THE RT FLOW CONTROL AND SHUTOFF VALVE.SDR ASAA2016012314961Sensor · dirtyCONTROLLER CABIN SUPPLY AIR IS 23 DEG C. NO MATTER WHERE CONTROLLER CABIN AUTO SWITCH IS POSITIONED TO. DURING LAST 45 MIN OF FLIGHT SYS SEEMED TO RESPOND TO POSITION OF CABIN CONTROLLER SWITCH FOR ABOUT 15 MIN THEN RETURNED TO LESS THAN 20 DEG C. ACFT GROUSDR ASAA2016011714796Warning Message · false activationWITH FULL WARM SELECTED ON FWD AND AFT CAB TEMP, MAX SUPPLY DUCT TEMP IS 26 AT FL 350. ACFT GROUNDED. ACCOMPLISHED CABIN TEMP CONTROL BITE NO FAULTS NOTED, OPS CHECK CYCLED PACKS THROUGH FULL CYCLE, TEMP RANGE, REF AMM 21-60-00.SDR ASAA2016011014722Engine · hung startHUNG START, NR 1 ENGINE INDICATION, N1 AND N2 FUEL FLOW NO EGT, ABORTED START FOLLOWED QRC PROCEDURES IGNITION SWITCH IN THE RT POSITION. ACFT GROUNDED. REMOVED NR 1 ENGINE RT IGNITION LEAD AND INSPECTED, CHECKS NORMAL. REINSTALLED IGNITION LEAD REF AMM 74-SDR ASAA2016010914696Warning Message · false activationFMC DISAGREE ON GROUND. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. FMCS RESTORED NORMAL.SDR ASAA2016010614667Lens · missingLIGHT COVER ROW 8 MISSING, EMERGENCY. ACFT GROUNDED. REPLACED MISSING COVER ON OVERHEAD EMERGENCY LIGHT, OK FOR SERVICE.SDR ASAA2015122414467Shim · wornREF T/C 78472002, FOUND SHIMS WORN ON NR 2 ENGINE, SN 962761. ACFT GROUNDED. SHIMS REPLACED AND INSTALLATION ACCOMPLISHED ON T/C 78472002. FAN BLADE LUBRICATION.
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