N435AS

Service difficulty reports · 296

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 = 'N435AS' 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 ASAA2015042111456Fcu · failedAPU FAILED TO START AT FL 340 TWO TIMES AND FL 300 ONE TIME WITH FAULT LIGHT ON ALL THREE STARTS. THIS IS A CSS START ATTEMPT. GROUNDED - YES. ACCOMP APU BITE 49-60 TASK 801. CURRENT STATUS SHOWS NO FAULTS FOUND HOWEVER NUMEROUS FCU FAULTS RECORDED ON FAULT HIApr 21, 2015 · N435AS · Boeing 737990ER · APU Engine Fuel and ControlSDR ASAA2015041911416Apu · malfunctionedAPU FAILED TO START AT FL 36 & FL 320 WITH FAULT LIGHT. FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT FL360, FAULT LIGHT REMAINED ON FOR 4 MINUTES 40 SEC, FAULT LIGHT ILLUMINATED DURING SECOND ATTEMPT AT FL320, FAULT LIGHT REMAINED ILLUMINATED FOR 6 MINUTESApr 19, 2015 · N435AS · Boeing 737990ER · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2015041611375Warning Light · false activationAFTER ENGINE START AND COMPLETING AFTER START CHECK LIST ON MASTER CAUTION RECALL LT PACK LIGHT ILLUMINATED. RETURNED TO GATE IAW MAINTENANCE ADVISE. ACFT GROUNDED. ACCOMPLISHED FIM 21-51, TASK 803. PACK ZONE TEMP CONT BITE. AMM 21-51-70-700-803 AND RAM AApr 16, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015041211312Warning Message · illuminatedLEFT RAM AIR DOOR LIGHT REMAINED ILLUMINATED THROUGHOUT ENTIRE FLIGHT, 3 HOURS AT CRUISE. WHILE ON DEFERRAL, PILOT REPORTS LT PACK LT ON DURING CRUISE, LIGHT OUT AFTER RESET. PERFORMED BITE CHECK BOTH CONTROLLERS REF FIM 21-61, TASK 801. NR 1 CONTROLLER "SRApr 12, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015040211222Controller · faultedTAXIING OUT, ON RECALL LT PACK LIGHT ILLUMINATES, GOES OUT WITH RECALL. WITH MEL 21-5D ALREADY APPLIED, MAINTENANCE CONTROL HAD US RETURN TO GATE. ACFT GROUNDED. ACCOMPLISHED BITE TEST OF LT PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002. ALL OPS TESTApr 2, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015040111200Actuator · malfunctionedLEFT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED BITE WITH ORIGINAL RAM AIR EXHAUST ACTUATOR. BITE CHECK AND VERIFY NORMAL. DUE TO HISTORY, R & R LT PACK RAM AIR EXHAUST ACTUATOR IAW AMM 21-51-27. OPS CHECK NORMAL.Apr 1, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015032611140Fan · failedFWD CABIN TEMP CONTROLLER ERRATIC. ACFT GROUNDED. WHILE ON DEFERRAL, F/A COMPLAIN TEMP HOT IN BACK. UNABLE TO COOL IT DOWN FROM COCKPIT BELOW 20 C DUCT TEMP. R & R FWD CABIN TEMP SENSOR FAN IAW 21-61-11. OPS TESTS COMPLETE WITH NO FAULTS.Mar 26, 2015 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015032511115Controller · malfunctionedCABIN FWD AND AFT CABIN TEMP. CONTROLLERS WILL NOT STABILIZE CABIN TEMP IN AUTO WITH TRIM AIR SWITCH ON. FWD TEMP CONTROLLER SEEMS MOST AFFECTED, WITH TRIM AIR OFF POSITION THE CABIN IS CONTROLLABLE IN AUTO AS THE TEMP. IS AVERAGED THROUGHOUT THE CABIN. ACFMar 25, 2015 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015032411101Valve · failedAUTO TEMP NOT CONTROLLING CABIN TEMPERATURE. ACFT GROUNDED. REPLACED V146 TRIM AIR PRESSURE REGULATING AND SHUTOFF VALVE MM 21-62-01. REPAIR CONFIRMATION PASSES IAW FIM 21-61, TASK 864. ABLE TO CONTROL ALL 3 ZONES INDEPENDENTLY AND IN BOTH DIRECTIONS.Mar 24, 2015 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015032311085Sensor · dirtyFWD CAB TEMP CONTROL VERY ERRATIC IN AUTO, WORKS WELL IN OFF. ACFT GROUNDED. CLEANED FWD CABIN TEMPERATURE SENSOR REF AMM TASK 21-61-10-100-801; ACCOMPLISHED BITE CHECK OF BOTH TEMP CONTROLLERS. NO FAULTS REF 21-61-00-700-806-002; RAN AIR CONDITIONING SYS WMar 23, 2015 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015032211062Unknown · unknownF/A REPORTS STUFFY IN CABIN, MAIN, COLD ON FLIGHT DECK & FWD F/A STATION, CONTROL FWD, AFT CAB. SET FULL COLD AT 35,000, AIR TEMP CONTROL READS LT-PACK AT 50R PACK AT 4 PASS. CAB: AFT AT 31 FWD AT 30 SUPPLY DUCT AFT AT 30 FWD AT 30 CONT CAB AT 7, SETTING CONTMar 22, 2015 · N435AS · Boeing 737990ER · Air Distribution SystemSDR ASAA2015032211061Valve · malfunctionedFWD SUPPLY DUCT INTERMITTENTLY, UNCONTROLLABLE TEMPERATURE VARIES FROM 16-60 DEGREE C. F/A REPORTED TEMP FLUCTUATIONS IN CABIN. ACFT GROUNDED. RAN PACKS FOR 45 MINUTES, WAS ABLE TO VERIFY FWD SUPPLY DUCT TEMP FLUCTUATES. BITE TEST BOTH CONTROLLERS NR 2 SHOMar 22, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015021910727Fault Code · activatedWHILE PERFORMING T/C 78273000: FOUND SHORT TERM FAULT ON NR 2 ENG: MSG 73-21272 " THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE". FLT LEGS: 0, 1, 2, 3, 4, 5, 6. ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-27, TASK 804. NO FAULTS NOTED IAW FIM EEC REPLAFeb 19, 2015 · N435AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2015021310645Fault Code · activatedWHILE ACCOMPLISHING TC 78273000, INTERROGATE THE FMC CDU FOR ENGINE FAULTS NR 2 ENG LOGGED FAULT CODE 73-21272, ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. SHORT TERM FAULT. ACFT GROUNDED. ON DEFERRAL.Feb 13, 2015 · N435AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2015021210635Fmc · malfunctionedF/O FMC FAILED ABOUT 30 MINUTES AFTER TAKE OFF. ACFT GROUNDED. BITE CHECKED FMC SYS CHECKED GOOD IAW FIM 34-61, TASK 801. ACCOMPLISHED FMC TEST. TEST PASSED IAW FIM 34-61, TASK 836. NO HISTORY PAST 30 DAYS.Feb 12, 2015 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015020810586Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED DURING TAXI OUT AND DID NOT RESET. ACFT GROUNDED. VERBAL FROM PILOT LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED ON ITS OWN. WHILE TAXING BACK TO GATE. BITE CHECK STILL SHOWS "INLET/EXHAUST' FAULT. CLEARED FAULT ON NR 2 PACK/ZONEFeb 8, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015020210510Warning Light · illuminatedRT SIDE RAMP DOOR LIGHT "FULL OPEN" ON DURING FLIGHT. ACFT GROUNDED. OPENFeb 2, 2015 · N435AS · Boeing 737990ER · Central WarningSDR ASAA2015010410141Warning Light · illuminatedPACK LIGHT ILLUMINATED ON RECALL, DURING AFTER START CHECKLIST, EXTINGUISHED W/MASTER CAUTION RESET. ACFT GROUNDED. LT PACK LIGHT AND SYS OPERATED NORMALLY DURING FLIGHT. NR 1 TEMP CONTROLLER BITE AND OPS NORMAL IAW FIM 21-62, TASK 801. NO HISTORY, GROUND VJan 4, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015010310123Controller · unsecureRIGHT "RAM DOOR FULL OPEN" LIGHT ILLUMINATED AT CRUISE. ACFT GROUNDED. FOUND MULTIPLE FAULTS & NOTICED THE ZONE 2 TEMP CONTROLLER WAS UNSEATED, OUT OF PLACE BY .2500. SEATED ZONE 2 TEMP CONTROLLER & SECURED WITH LOCK KNOBS. ZONE TEMP CONTROLLER INTERROGATJan 3, 2015 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014122710079Warning Message · false activationAPU FAULT LIGHT ILLUMINATED ON START, TWO ATTEMPTS. ACFT GROUNDED. PERFORMED FIL TASK 49-30, TASK 803. APU STARTED NORMALLY . NO FAULTS FOUND. DID FIND MESSAGE 49-31175. THIS MESSAGE IS RELATED TO 49-31016. AFTER NUMEROUS STARTS APU MAINT MESSAGE DID NOT SDec 27, 2014 · N435AS · Boeing 737990ER · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2014121609970Valve · malfunctionedAFT CABIN ZONE TEMP LIGHT ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. NR 1 TEMP CONTROLLER BITE PROCEDURE, 21-62 TASK 801 SHOWED ON BIT & PREVIOUS FLT SHOW ZONE TRIM VALVE FAULT. REPLACED: ZONE TRIM AIR MOD VALVE FOR THE AFT CABIN POSITION. REF: AMDec 16, 2014 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2014112709770Control Valve · failedAFT ZONE TEMP LIGHT ILLUMINATED. CABIN INTERIOR TEMPERATURE WENT FULL HOT AND WAS UNCONTROLLABLE. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP BITE TEST, REF 21-62, TASK 801. NR 1 CONTROLLER HAS FAULT ZONE TRIM VALVE, HAS HISTORY. REPLACED AFT CABIN TRIM VALVENov 27, 2014 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2014112709769Warning Light · illuminatedPRIOR TO TAXI, AFT CABIN ZONE TEMP AND AIR COND LIGHTS ILLUMINATED ON MASTER CAUTION RECAL AND RESET CLEARED IT. UNABLE TO CONTROL TEMP IN AFT CABIN. AIR SUPPLY DUCT TEMP STABILIZED AT 46 DEGREES C AND COULD NOT BE CONTROLLED. PASS CABIN TEMP STABILIZED AT Nov 27, 2014 · N435AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2014101709408Warning Light · false activationWHEN NR 2 HF IS SELECTED A FAIL LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED BITE PROCEDURE ON NR 2 HF TRANCEIVER IAW FIM TASK 23-11, TASK 801, OPS CHECKED GOOD, NR 2 HF FAIL LIGHT EXTINGUISHED.Oct 17, 2014 · N435AS · Boeing 737990ER · HF Communications SystemSDR ASAA2014100909335Control Valve · failedAFTER TAKEOFF, LT PACK LIGHT ILLUMINATED. FOLLOWED QRH. DID NOT RESET. LT PACK TURNED OFF IAW QRH. ACFT GROUNDED. REPLACED NR 1 TEMP CONTROL VALVE IAW AMM 21-51-10, OPS CHECKED GOOD.Oct 9, 2014 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014100609309Hf Comm · malfunctionedNR 2 HF INDICATED FAIL. ACFT GROUNDED. UNABLE TO DUPLICATE OR VERIFY DISCREPANCY. NO FAIL ON RTP'S WHEN NR 2 HF SELECTED. PERFORMED HG OPERATION TEST, LED BITE SHOWS GREEN AND NR 2 HF TRANSCEIVER GOOD IAW 23-11-00. NO HISTORY LAST 90 DAYS.Oct 6, 2014 · N435AS · Boeing 737990ER · HF Communications SystemSDR ASAA2014092909254Circuit Breaker · trippedFORWARD RT WINDOW OVERHEAT LIGHT ILLUMINATED AND CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. PERFORMED CIRCUIT BREAKER RESET PROCEDURE IAW AMM 20-60-01, CHECKED GOOD. RESET CIRCUIT BREAKER, PERFORMED OPS CHECK IAW AMM 30-40-00, PASSED.Sep 29, 2014 · N435AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2014072808704Warning Light · false activationDURING TAXI OUT- FMC DISAGREE LIGHT CAME ON. ACFT GROUNDED. RAN QRH CHECK LIST AND THIS CLEARED THE PROBLEM.Jul 28, 2014 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014072108629Radio · malfunctionedNR 1 HF RADIO INOPERATIVE. ACFT GROUNDED. PERFORMED OPS TEST OF HF SYS. ACFT GROUND VERIFICATION CHECKED GOOD IAW AMM 23-11-00, PARA 2A THROUGH E.Jul 21, 2014 · N435AS · Boeing 737990ER · HF Communications SystemSDR ASAA2014071408559Warning Light · false activationDURING APU START ON PREFLIGHT, BLUE MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED FIM 49-60, TASK 801. ACCOMPLISHED BITE CHECK & FOUND NUISANCE MESSAGE 49-91227. PERFORMED LOW OIL, QTY FIM 49-90, TASK 804. MESSAGE CLEARED. APU OPS NORMAL, "LIGHT Jul 14, 2014 · N435AS · Boeing 737990ER · Central WarningSDR ASAA2014062708357Probe · failedNR 1 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYS ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. COCKPIT INDICATION IS STILL WITHIN RANGE. ACFT GROUNDED. REPLACED S1 & S4 T49.5. OPS GOOD IAW AMM 77-21-01.Jun 27, 2014 · N435AS · Boeing 737990ER · Engine Temperature Indicating SystemSDR ASAA2014062308323Fmc · malfunctionedSIMULTANEOUS DUAL FMC FAILURE DURING CRUISE, ROLL MODE WENT TO CWS WITH ALTITUDE HOLD DISPLAYED, RETURNED TO NORMAL AFTER APPROX 10-15 SECONDS, REENGAGED CNAV/VNAV. ACFT GROUNDED. HARDWARE FAULTS, SENSOR STATUS & IN FLIGHT FAULTS LEG 1 SHOWS NO FAULTS. SYS GJun 23, 2014 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014061608237Button · failedF/O'S MCDU LINE SELECT BUTTON 5L REQUIRES ABNORMALLY FIRM PRESS TO SELECT THE LINE INTO THE SCRATCHPAD. ACFT GROUNDED. REPLACED MCDU. SYS TESTS GOOD REF TASK 34-61-01-400-802.Jun 16, 2014 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014052307911Light · inoperativeFOUND EXIT ROW 17 DEF EMERGENCY LIGHT INOPERATIVE. ACFT GROUNDED. REPLACED EMERGENCY LIGHT, OPS CHECKED GOOD IAW AMM 33-51-03-960-805.May 23, 2014 · N435AS · Boeing 737990ER · Emergency LightingSDR ASAA2014032607325Light · brokenF/A REPORTS EMERGENCY LIGHT NEXT TO L2 DOOR BROKEN. ACFT GROUNDED. REPLACED EMERGENCY EXIT LIGHT ADJACENT L-2 DOOR. OPS NORMAL REF AMM 33-51-01.Mar 26, 2014 · N435AS · Boeing 737990ER · Emergency LightingSDR ASAA2014032107264Lens · detachedL2 EXIT SIGN WILL NOT STAY ON. ACFT GROUNDED. INSTALLED EXIT SIGN AT L2 DOOR LOCATION. OK FOR SERVICE.Mar 21, 2014 · N435AS · Boeing 737990ER · Emergency LightingSDR ASAA2014020806801Engine · flamed outDURING DEICE, APU FLAMED OUT. OVERSPEED LIGHT ILLUMINATED STEADY. DID NOT ATTEMPT RE-START. ACFT GROUNDED. APU INTERAGATION SHOWS MAINTENANCE MESSAGE 49-31014. ACCOMPLISHED FIM TASK 49-30, TASK 802 PERFORMED OPERATIONAL TEST OF APU IAW AMM TASK 49-11-00-710Feb 8, 2014 · N435AS · Boeing 737990ER · APU Core EngineSDR ASAA2014012812508Warning Light · false activationDURING CRUISE, RT SIDE RAM DOOR FULL OPEN LIGHT ILLUMINATED. ACFT GROUNDED. NO FAULTS LOGGED ON ZONE CONTROLLER, BITE TEST PASS, SYS OPS CHECKED NORMAL IAW FIM TASK 21-51, 803, GROUND CONFIRMATION SUCCESSFUL.Jan 28, 2014 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014012312482Vent · dirtyCAPTAIN`S CDU WENT BLANK FOR ONE MINUTE WHILE ALTITUDE WAS BEING CHANGED. A BITE TEST MESSAGE ILLUMINATED. ACFT GROUNDED. CHECKED AND CLEANED COOLING VENT, OPS TESTED GOOD IAW AMM 34-61-00.Jan 23, 2014 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2014012212458Indication Sys · false indication10 MINUTES PRIOR TO PUSH APU MAINT LIGHT ILLUMINATED. ACFT GROUNDED. INTERROGATED CDU FOUND MESSAGE 49-91227 LOW OIL QUANTITY, ACCOMPLISHED SHUTDOWN OF APU & VERIFIED OIL QUANITIY FULL. RESTARTED APU WITH NO LIGHT ILLUMINATION OF MAINTENANCE REF AMM FIM TASJan 22, 2014 · N435AS · Boeing 737990ER · Dependent Position Determining SystemSDR ASAA2014011012362Satcom · malfunctionedAT GATE JUST PRIOR TO PUSHBACK, COCKPIT CHIMES ACTIVATED CONTINUOUSLY AND WE WERE UNABLE TO SILENCE THEM. SAT-1 AND SAT-2 LIGHTS ON STEADY ON HF/SAT SELECT PANEL, NO SATCOM PROMPT ON ACARS MENU PAGE. ACFT GROUNDED. RESET SATCOM RECEIVER/TRANSMITTER BY CYCLIJan 10, 2014 · N435AS · Boeing 737990ER · Communications SystemSDR ASAA2014010612332Actuator · warning lightLEFT RAM AIR DOOR FULL OPEN LIGHT ILLUMINATED ENTIRE FLIGHT. ACFT GROUNDED. LT PACK LIGHT ILLUMINATED WITH RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. INTERROGATED NR 1 ZONE TEMP CONTROLLER FAULT FOUND ON INLET ACTUATOR. ACTUATOR FOUND INOPERATIVE, DURJan 6, 2014 · N435AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2014010112296Warning Message · false activationFMC DISAGREE. ACFT GROUNDED. SUCCESSFULLY RAN QRH PROCEDURE FOR FMC DISAGREE.Jan 1, 2014 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2013112996562Warning Light · false activationBLUE MAINTENANCE LIGHT ILLUMINATED UPON APU START. AIRCRAFT GROUNDED. WITH APU RUNNING CDU FAULT LOW OIL. SHUT APU DOWN, BLUE LIGHT AND FAULT WENT AWAY. APU OIL LEVEL IS FULL, RESTARTED APU, NO FAULTS NOTED. NO HISTORY PAST 60 DAY.Nov 29, 2013 · N435AS · Boeing 737990ER · APU Oil SystemSDR ASAA2013112296498Warning Message · false activationON TAXI OUT, FMC DISAGREE ON BOTH NDS. ACFT GROUNDED. COMPLIED WITH QRH AND RECOVERED BOTH FMCS.Nov 22, 2013 · N435AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2013110896347Transceiver · failedTROUBLESHOOT SATCOM 1 CAN NOT CALL. REPLACED IRIDIUM TRANCEIVER PER MM 23-15-22-400-801. OPS CHECK PERFORMED IAW NG-23EO-0769-6. LOADED SOFTWARE IAW NG-23EO-07569-6.Nov 8, 2013 · N435AS · Boeing 737990 · Communications System
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