N403AS

Service difficulty reports · 343

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 = 'N403AS' 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 ASAA2022061238628Modulating Valve · faultyZONE TEMP LIGHT CONT CAB ON RECALL DURING DESCENT. GROUNDED - YES. REPLACED CABIN TRIM AIR MODULATING VALVE - B737-900 AMM 21-61-21.Jun 12, 2022 · N403AS · Boeing 737900ER · Cabin Temperature Control SystemSDR ASAA2022060638578Hf Comm · intermittentBOTH HF RADIOS SAY INOP. GROUNDED - YES. ACCOMP RESET OF RTP PER 737-900 AMM 23-12-41, BOTH SYS OPS CKD NML. GND VERIFICATION SUCCESSFUL.Jun 6, 2022 · N403AS · Boeing 737900ER · HF Communications SystemSDR ASAA2022060238566Harness · faultyREF ASA T/C 78273000 ENG 2 SHORT TIME FAULT 75-20452. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REF ASA LP 60459070 REMOVED J10 HARNESS REF B737-900 AMM 73-21-06. REMOVED J9 HARNESS REF AMM 73-21-06 INSTALLED J9 HARNESS REF AMM 73-21-06-420-004-F00. IJun 2, 2022 · N403AS · Boeing 737900ER · Fuel Controlling SystemSDR ASAA2022060238564Valve · leakingFORWARD LAV TOTALLY OVERFLOWED AND COULDNT MAKE IT STOP UNTIL SYSTEM DEPLETED WITH SELECTOR OFF IN ALL POSITIONS GREY WATER THROUGH OUT THE AIRCRAFT. GROUNDED - YES. DIVERSION - FOUND LAV A RINSE VALVE CONTINUOUS FLOW. REPLACED RINSE VALVE REF B737-900 AMM 38-Jun 2, 2022 · N403AS · Boeing 737900ER · Waste Disposal SystemSDR ASAA2022060238554Connector · burned#2 GEN SOURCE OFF LIGHT ILLUMINATED ON TOUCH DOWN. RESET ONCE CAME BACK ON APPLIED APU AND LIGHT EXTINGUISHED. GROUNDED - YES. GCU 2 LOGGED IDG FAULT. ACCOMP BITE CK OF #2 GCU REF FIM 24-21 TASK 801. TEST PASSED AND IDG FAULT CLEARED. RAN #2 ENG, CSD PORTION OJun 2, 2022 · N403AS · Boeing 737900ER · AC Generation SystemSDR ASAA2022060138565Harness · faultyWHILE ACCOMPLISHING ASA T/C 78273000 "INTERROGATE THE FMC CDU FOR ENGINE FAULTS", FOUND "SHORT TIME FAULT" MESSAGE 75-10452 "THE VBV POSITION SIGNALS DISAGREE" ON FLIGHT LEGS 1 AND 5, ON THE #2 ENGINE. GROUNDED - YES. REMOVED J10 HARNESS REF B737-900 AMM 73-21Jun 1, 2022 · N403AS · Boeing 737900ER · Fuel Controlling SystemSDR ASAA2022051338357Vbv · faultySHORT TIME MTX MSG 75-10452 #2 ENG VBV POSITION SIGNALS DISAGREE. DEFERRED FOR 50FLT HRS PER ASA T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H VBV ACTUATOR REF B737-900 AMM 75-32-02. OPS/ LEAK/ ACTUATORS TEST PASSED. NO DEFECTS NOTED. THIS CLEAMay 13, 2022 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2022042338119Eec · faultyWHILE ACCOMPLISHING TK 78273000 MAINT. MSG NBR75-30452 THE VBV POSITION SIGNALS DISAGREE. FL LEG X=3 SHORT TIME. GROUNDED - YES. REPLACED #2 EEC REF B737-900 AMM 73-21-60-400-F00. ALL #2 FADEC TESTS PASS REF AMM 71-00-00-800-811-F00 & 73-21-00-700-802-F00. VERApr 23, 2022 · N403AS · Boeing 737900ER · Compressor Bleed ControlSDR ASAA2022041938061None · noneFOLLOW UP TO CONTINUING REPORTS OF #2 ENGINE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. ACCOMP VBV INSP REF B737-900 AMM 75-32-00-200-801-F00 GUIDE PADS NOTED AS MISSING BUT NOT FOUND IN ENGINE. NO OTHER DEFECTS NOTED. MANUAL ACTUATION OF VBV ACCOMP PER AMApr 19, 2022 · N403AS · Boeing 737 · Fuel Controlling SystemSDR ASAA2022040137906None · faultyENG 2 SHORT TIME FAULT MSG NBR 75-30452 "THE VBV POSITION SIGNALS DISAGREE" DEFERRED PER T/C 78273000. GROUNDED - YES. PERFORMED B737-900 FIM 73-32 TASK 803. EEC SHOWS NO CURRENT FAULTS ON ENGINE 2, BUT FAULT HISTORY SHOWS 2 HITS FOR FAULT MESSAGE 75-30452. PEApr 1, 2022 · N403AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2022030337631Power Supply · dischargedEMERGENCY LIGHTS COMMON TO POWER SUPPLY M1673 ARE INOP.TIPR833K. GROUNDED - YES. REMOVED AND REPLACED M1473 POWER SUPPLY S/N 100816 IAW B737-900 AMM 35-51-06-960-806. OPS CHECK GOOD.Mar 3, 2022 · N403AS · Boeing 737900ER · Emergency LightingSDR ASAA2022021237422Unknown · unknownZONE TEMP CONT CAB LT AFTER START. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE CHECK REF B737-900 AMM 21-61-00-700-806-002 FOUND FAULT MSG FOR (FLT DECK TRIM VALVE) ON CONTROLLER #2 , CLEARS AFTER RESET CURRENTLY NO ACTIVE FAULTS.Feb 12, 2022 · N403AS · Boeing 737900ER · Air Distribution SystemSDR ASAA2022020337337Battery Pack · dischargedR2 DOOR EMERGENCY LIGHT (EXTERIOR) INOP. GROUNDED - YES. RELAMPED R2 DOOR SLIDE EMERGENCY LT. NO HELP. REMOVED & REPLACED BATTERY PACK M1672 REF B737-900 AMM 33-51-06. OPS CHECK OK.Feb 3, 2022 · N403AS · Boeing 737900ER · Emergency LightingSDR ASAA2022010237064None · noneFIRST OFFICER FMC RS KEY RUBBER COATING IS MISSING & HAS LIGHT LEAK. GROUNDED - YES. REPLACED FO'S FMC CDU REF B737-900 AMM 34-61-01-400-802 OPS CK OK -SOFTWARE CONFIG OK.Jan 2, 2022 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2021120336790Unknown · unknownL PACK LIGHT ILLUMINATED ON CLIMB TO CRUISE ALTITUDE RAN QRH TRIP RESET DID NOT EXTINGUISH PACK LIGHT AFFECTED L PACK SWITCH WAS TURNED OFF FOR DURATION OF FLIGHT PER QRH PROCEDURES. GROUNDED - YES. ACCOMPLISHED PZTC BITE PER B737-900 FIM TASK 21-62-801. NO FADec 3, 2021 · N403AS · Boeing 737900ER · Cabin Cooling SystemSDR ASAA2021113036763Unknown · unknownLEFT PACK LIGHT ILLUMINATED IN FLIGHT AT MASTER CAUTION RECALL AND EXTINGUISHED UPON RESET. GROUNDED - YES. ACCOMPLISHED BITE OF BOTH PZTC #1 ON BIT FAULTED RAM AIR ACT, GREEN ON PREV AND VERIFY REF B737-900 FIM 21-62 TASK 801. SYSTEM RESET RE-RAN BITE WITH NONov 30, 2021 · N403AS · Boeing 737900ER · Cabin Cooling SystemSDR ASAA2021111336590Unknown · unknownAFTER LANDING FMC DISAGREE DISPLAYS INTERMITENTLY ON BOTH NAV DISPLAYS. GROUNDED - YES. PERFORMED B737-900 FIM 34-61TASK 836 BOTH FMCS OPERATE NORMALLY NO FAULTS AT THIS TIME.Nov 13, 2021 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2021101136248Spacer · noneWHILE PERFORMING T/C 78472010, CFM56-7 FAN BLADE LUBRICATION FOUND ELASTOMER ON SPACERS 20,7,10,11,15,19,21, AND 24 DISBONDED. GROUNDED - YES. REFERENCE T/C 78472010 ON W/O 1884517 FOR WORK ACCOMPLISHED. NEW SPACERS INSTALLED.Oct 11, 2021 · N403AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021082535783Warning Message · illuminatedCONT CAB "ZONE TEMP"" LIGHT AFTER RECALL. GROUNDED - YES. (RESOLVED ON W/O: 1882902 TASKCARD: N/R-00005 ) VERIFID DISCREPANCY. ACCOMPLISHED BOTH PACK TEMP CONTROLLERS BITE PER TASK 21-61-00-700-806-002 PACK/ZONE TEMPERATURE CONTROLLER BITE TEST . FOUND #2 CONTAug 25, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021081935749Control Valve · faultyCAB CONT "ZONE TEMP" ILLUMINATED, COMPLIED WITH QRH PROCEDURE AND "ZONE TEMP" RESET WITH MASTER CAUTION RESET. CAB CONT AT FULL WARM PRODUCED 10 DEGREES C ON SUPPLY DUCT TEMP, COCKPIT WAS COLD. CONT CAB FWD CAB & AFT CAB ALL SELECTED OFF. COCKPIT TEMP STABILIZAug 19, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021081835752Control Valve · faultedCONT CABIN UNCONTROLLABLE DRIVES FULL COLD NO MATTER WHAT TEMPERATURE IS SELECTED TO. GROUNDED - YES. PERFORMED BITE CK OF BOTH TEMP CONTROLLERS WITH NO FAULTS LOGGED. RAN BOTH PACKS AND CONT CABIN TEMP CYCLES NORMALLY IN AUTO AND MANUAL MODE. CONSULTED WITH TAug 18, 2021 · N403AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021081135683Valve · faultedUNABLE TO CONTROL FLIGHT DECK TEMP WITH "CONT CAB" SET TO FULL WARM, SUPPLY DUCT TEMP <0 DEG C. FLIGHT DECK VERY COLD. AIR TEMP OF LEFT PACK ALSO <0 DEG C. WITH FULL WARM SELECTED, "CONT CAB" TEMP SLOWLY (20 MIN) CLIMBS TO 10 DEG C. LEFT PACK TEMP STILL PEGGEDAug 11, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021080735655Servo · leakingDURING ENG #2 IDLE RUN FOR OIL, FOUND FUEL LEAKS. LARGE STREAM FROM BACK SIDE OF FUEL HEATER SERVO TOP. GROUNDED - YES. REMOVED AND REPLACED THE #2 ENGINE SERVO FUEL HEATER PER AMM 73-11-07-400-801-F00. LEAK CHECK GOOD.Aug 7, 2021 · N403AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2021080623630Warning Light · false activationL PACK LIGHT ILLUMINATES ON RECALL RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. BITE CK SHOWS TCV THIS PACK. VERIFIES GO + RESET. ACCOMP B737-900 FIM 21-62 TASK 830, RAN PACK 15 MINUTES NO PACK LIGHT ON RECALL. BITE CK STILL VERIFIES GO.Aug 2, 2021 · N403AS · Boeing 737900ER · Cabin Cooling SystemSDR ASAA2021061035073Control Valve · faultyREF L/P 60201728. WHILE ACCOMP PZTC BITE TEST FOUND TCV FAULT R/H PACK. FAULT WILL NOT RESET. GROUNDED - YES. REMOVED & REPLACED R/H PACK TCV LK & OPS NORMAL REF B737-900 AMM 21-51-10. ACCOMP PZTC BITE TEST NO FAULTS FOUND REF AMM 21-61-00.Jun 10, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021060235011Fmc · failedLEFT FMC FAILED DURING CRUISE AT FL300. CAPT'S ND SHOWED VTK FOLLOWED BY LOSS OF LNAV AND NO FMC DATA ON BOTH CDU'S. FMC CAME BACK ON WITHOUT MOVING FMC SOURCE SELECT SWITCH IN LESS THAN 90 SECONDS. GROUNDED - YES. ACCOMP'D B737-900 FIM 34-61 TASK 836, L&R FMCJun 2, 2021 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2021050934794Modulating Valve · faultedON TAXI OUT, CONT CAB ZONE TEMP LIGHT ILLUMINATED. ACCOMPLISHED QRH & LIGHT EXTINGUISHED. W/ MASTER CAUTION RESET. GROUNDED - YES. REPLACED ZONE TRIM MODULATING VALVE REF B737-900 AMM 21-61-21. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST AND FAULT CLEMay 9, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021041434591Warning Light · false activationLEFT PACK ON RECALL. GROUNDED - YES. T/S PER B737-900 FIM 21-53 TASK 821 AND FIM 21-62 TASK 801 #1 CONT PREV FAULT SHOWS RAM AIR ACTR FAULT RESETS AND PASSES BITE CHECK TWICE.Apr 14, 2021 · N403AS · Boeing 737900ER · Central WarningSDR ASAA2021032234379Warning Light · false activationCONT CAB ZONE TEMP LIGHT. EXTINGUISHED UPON MASTER CAUTION RECALL. GROUNDED - YES. #2 ZTC LOGGED FLT DECK TRIM VALVE. BITE TEST GOOD. FAULT RESET.Mar 22, 2021 · N403AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021031334285Idg · inoperativeFLT CREW REPORTS DURING TAXI "DRIVE" LIGHT CAME ON FOR APPROX 1 MIN, WENT OUT, THEN BACK ON FOR APPROX 3 MIN, WENT OUT, THEN BACK ON FOR APPROX 5 MIN, ON #2 IDG. GROUNDED - YES. PERFORMED IDLE RUN OF ENG #2. #2 GEN OPERATED AS NORMAL DRIVE LIGHT REMAINED EXTINMar 13, 2021 · N403AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2021022234173Actuator · faultedLEFT PACK LIGHT ILLUMINATED AMBER. GROUNDED - YES. RAN BITE TEST FOUND RAM AIR DOOR ACTUATOR FAULT. REPLACED ACTUATOR IAW B737-900 AMM 21-51-21. CLEARED FAULT, OP CHECKS GOOD AT THIS TIME.Feb 22, 2021 · N403AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021020634049Wire Harness · broken#1 FIRE TEST HANDLE DOES NOT ILLUMINATE DURING TEST. GROUNDED - YES. T/S FOUND ENG #1 B LOOP HARNESS MW0326 BROKEN OFF AT 12 OCLOCK POSITION. REMOVED & REPLACED MW0326 HARNESS, INSTALLATION TEST GOOD REF B737-900 AMM 26-11-02/401.Feb 6, 2021 · N403AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2020120733654Pressure Switch · inoperativeNR 1 AFT BOOST PUMP LOW PRESSURE LIGHT REMAIN OFF AT ALL TIMES. GROUNDED-YES. REPLACED NR 1 TANK AFT PRESSURE SWITCH (S150), PER B737-900 AMM 28-42-11/401. OPERATIONS GOOD, PER AMM TASK 28-42-11-700-801.Dec 7, 2020 · N403AS · Boeing 737990ER · Fuel Boost PumpSDR ASAA2020113033622Knob · seizedCAPTAIN'S WEATHER RADAR TILT + GAIN KNOB IS SEIZED TOGETHER (I.E. INNER + OUTER KNOBS ARE STUCK TOGETHER). GROUNDED-YES. CLEANED CAPT WEATHER RADAR TILT & GAIN KNOB. KNOB TURNS NORMAL WITH NO DEFECTS NOTED. A/C OK FOR SERVICE.Nov 30, 2020 · N403AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020111033535Transceiver · failedF/O WX RADAR DISPLAYS "WXR RANGE DISAGREE" AT ALL SELECTED RANGES. CA RADAR FUNCTIONS NORMALLY. GROUNDED-YES. VERIFIED FAULT ON F/O NAV DISPLAY. ACCOMPLISHED TROUBLESHOOTING, REF B737-900 FIM 34-43 TASK 809. REPLACED WXR TRANSCEIVER AND ACCOMPLISHED SUCCNov 10, 2020 · N403AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020110833522Warning Message · false indicationFO WX RADAR DISPLAYS "WXR RANGE DISAGREE" AT ALL SELECTED RANGES. GROUNDED-YES. VERIFY DEFECT CYCLED WXR POWER, ACCOMPLISHED B737-900 FIM 34-43 TASK 801 AND 811. WEATHER RADAR OPERATIONS CHECK NORMAL AT THIS TIME, NO FAULTS FOUND.Nov 8, 2020 · N403AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020102933455Radar · no testFO WX RADAR FAIL DURING TEST. GROUNDED-YES. ACCOMPLISHED A WEATHER RADAR SYSTEM BITE TEST, PER B737-900 FIM 34-43 TASK 801. NO FAULTS NOTED. ACCOMPLISHED A WEATHER RADAR SYSTEM OPERATIONAL TEST, PER B737-900 AMM 34-43-00-710-802. ALL TESTS NORMAL.Oct 29, 2020 · N403AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020102933448Heat Exchanger · leakingDURING WALKAROUND FOUND NR 2 ENGINE LEAKING FUEL. GROUNDED-YES. DURING INSPECTION FOUND NR 2 ENGINE LEAKING FROM LEFT VSV DRAIN AND MAIN OIL/FUEL HEAT EXCHANGER PAD DRIVE, REF B737-900 AMM 71-71-00. RAN NR 2 ENGINE FOR 5 MINS FOUND MAIN FUEL DRAIN PAD LEAKIOct 29, 2020 · N403AS · Boeing 737990ER · Engine Fuel/Oil CoolerSDR ASAA2020102933445Lamp · inoperativeLT AFT ENTRY DOOR SLIDE LIGHT IS INOPERABLE. GROUNDED-YES. RELAMPED EMERGENCY SLIDE LIGHT, PER B737-900 AMM 33-51-04-960-801. OPERATIONS CHECKED GOOD.Oct 29, 2020 · N403AS · Boeing 737990ER · Emergency LightingSDR ASAA2020102933444O-Ring · brokenWHILE ACCOMPLISHING T/C 2480000 W/O 1845488, FOUND NR 1 ENGINE STARTER MAGNETIC PLUG PLAY BROKEN INSIDE. GROUNDED-YES. R & R NR 1 ENGINE STARTER MAGNETIC PLUG HOUSING, REF B737-900 AMM 80-11-01.Oct 29, 2020 · N403AS · Boeing 737990ER · Engine StarterSDR ASAA2020102033398Gasket · leakingWHILE PREFORMING LEAK CHECK FOR TSR710795 FOUND STEADY FUEL DRIPPING BETWEEN THE FUEL PUMP AND THE HMU ON THE NR 1 ENGINE LEAK APPEARS TO BE COMING FROM HMU GASKET. GROUNDED-YES. WHILE PERFORMING IDLE LEAK CHECK, FOUND NR 1 ENGINE SERVO FUEL HEATER LEAKING. Oct 20, 2020 · N403AS · Boeing 737900ER · Fuel Controlling SystemSDR ASAA2020101833382Transmitter · faultyNR 1 ENGINE TREND DATA SHOWS A GRADUAL SHIFT IN CRUISE DELTA FUEL FLOW INDICATION ERRORS ARE SUSPECT. GROUNDED-YES. ACCOMPLISHED REMOVAL AND REPLACEMENT OF THE FUEL FLOW TRANSMITTER, NO LEAKS FOUND ON THE FUEL FLOW TRANSMITTER, REF B737-900 AMM 73-31-01.Oct 18, 2020 · N403AS · Boeing 737990ER · Engine Fuel Indicating SystemSDR ASAA2020100933329Fmc · failedRT FMC FAILED AT GATE. GROUNDED-YES. PERFORMED NR 2 FMC BITE, FOUND NO INFLIGHT FAULTS. FOUND GROUND NR 2 FMC FAULT. CYCLED POWER/AIRCRAFT PWR - NR 2 FMC. OPERATIONS CHECKS NORMAL, REF B737-900 FIM 34-61 TASK 801. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICAOct 9, 2020 · N403AS · Boeing 737900ER · Flight Management Computing Hardware SystemSDR ASAA2020100833297Bulb · inoperativeL2 SLIDE EMERGENCY LIGHT INOPERABLE. GROUNDED-YES. RELAMPED L2 SLIGHT LIGHT BULB. OPERATIONS CHECK GOOD, IAW B737-900 AMM 33-51-04.Oct 8, 2020 · N403AS · Boeing 737990ER · Emergency LightingSDR ASAA2020092833228Circuit Breaker · trippedA/T INOPERABLE. GROUNDED-YES. PERFORMED B737-900 FIM 22-31 TASK 801 & 810, A/T DC-1 TRIPPED, RESET A/T DC1 CB. PERFORMED A/T THROTTLES TEST PER CDU, NO FAULTS NOTED.Sep 28, 2020 · N403AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2020091553182Lock · out of sequenceCAPT'S SLIDING WINDOW WON`T OPEN FULLY. GROUNDED-YES. FOUND WINDOW HOLD OPEN LOCK OUT OF SYNC. RESET LOCK AND CAPT`S SLIDING WINDOW. OPS CHECK GOOD, PER B737-900 AMM 56-12-11-710-803.Sep 13, 2020 · N403AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2020090823132Actuator · leakingENGINE NR 2 RT VSV LEAKING FUEL AT RATE 70 DROPS PER MINUTE. GROUNDED - YES. REPLACED THE NR 2 ENGINE RT VSV ACTUATOR, LEAK AND OPS CHECK GOOD, REF B737-900 AMM 75-31-01/401.Sep 2, 2020 · N403AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2020090331130Cdu · inoperativeDURING CRUISE THE RIGHT MCDU SCREEN WENT DARK. THE FMC APPEARS TO BE OPERATING NORMALLY WHEN MAKING A CHANGE ON THE LEFT MCDU THAT REQUIRES AN EXECUTE, THE EXECUTE LIGHT DOES NOT ILLUMINATE ON THE RIGHT MCDU. WE SUSPECT THE MCDU IS INOPERABLE. GROUNDED - YESep 1, 2020 · N403AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020063032855Window · dirtyR2 WINDOW DIFFICULT TO OPEN/CLOSE. GROUNDED - YES. CLEANED AND OPS CHECK R2 WINDOW, WINDOW OPENED AND CLOSED NORMALLY PER AMM 56-11-00/601.Jun 29, 2020 · N403AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2020040832624Fmc · malfunctionedLT FMC FAILED AND RESTORED ITSELF MANY TIME VTR & MAP DISPLAYED WAS ABLE TO RESTORE. GROUNDED - YES. LEFT FMC SHOWS PGM FAULT ACCOMPLISHED B737-900 FIM 34-61 TASK 807 LEFT FMC OPS CHECK GOOD.Apr 7, 2020 · N403AS · Boeing 737990ER · Flight Management Computing Hardware System
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