N477AS

Service difficulty reports · 175

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 = 'N477AS' 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 ASAA2022102540478Pump · faultedRIGHT CENTER FUEL LOW PRESSURE LIGHT IS ILLUMINATED WITH FUEL PUMP ON. GROUNDED - YES. REMOVED AND REPLACED RIGHT CENTER FUEL PUMP PER B737-900 AMM 28-22-41.Oct 25, 2022 · N477AS · Boeing 737990ER · Fuel Boost PumpSDR ASAA2022102540477Pressure Switch · faultedLEFT CENTER TANK FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED LEFT CENTER FUEL BOOST PUMP PRESSURE SWITCH IAW B737-900 AMM 28-42-11/401.Oct 25, 2022 · N477AS · Boeing 737990ER · Aircraft Fuel Distribution SystemSDR ASAA2022102240467Warning Light · false activationAPU FAULT LIGHT ON START. GROUNDED - YES. FOUND FAULT CODE 49-41012 ON BITE TEST, APU REMAINS ON MEL 49-1B. PERFORMED B737-900 FIM 49-40 TASK 803 FAULT 49-41012 NOT CURRENT NO OTHER ACTIVE FAULTS ASSOCIATED NOT ACTIVE FOR 8 STARTS OPERATED APU SEVERAL TIMES NOct 22, 2022 · N477AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2022100240143Autopilot Sys · faultedJUST AFTER BAART AUTOPILOT DISCONNECTED AT FL 340 AND SATCOM LOCKUP. GROUNDED - YES. RE-ENGAGED AUTOPILOT, FOLLOWED ASA QRH FOR SATCOM LOCKUP.Oct 2, 2022 · N477AS · Boeing 737990ER · Autopilot SystemSDR ASAA2022091539969Control Valve · failedROWS 6-13 VERY WARM. DIFFICULT TO CONTROL THE TEMPERATURE IN FWD CABIN. DUCT TEMP FLUCTUATES +8/-8 DEGREES OR SO. GROUNDED - YES. REPLACED R/H TCV IN REF TO B737-900 AMM 21-51-10. OPS CHECK NORMAL.Sep 15, 2022 · N477AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2022083039702Unknown · unknownIN CRUISE AT FL 340 A AUTOPILOT DISENGAGED. ALL INDICATIONS WERE NORMAL AND FLIGHT DIRECTOR REMAINED IN LNV / VNAV. RE-ENGAGED A AUTOPILOT AND IT OPERATED NORMALLY FOR THE REST OF THE FLIGHT. WE WERE IN SMOOTH AIR WHEN IT DISENGAGED. GROUNDED - YES. ACCOMPLISHAug 30, 2022 · N477AS · Boeing 737 · Autopilot SystemSDR ASAA2022081339546Control Panel · inoperativeIAS/MACH ADJUSTMENT KNOB WILL NOT ADJUST SPEED WHEN AP A OF FD #1 IS MASTER. ALSO, AP DISCONNECTED AT CRUISE. WE WERE ABLE TO RENGAGE AP A. GROUNDED - YES. REMOVED & REPLACED MCP REF B737-900 AMM 22-11-34-400-801.Aug 13, 2022 · N477AS · Boeing 737990ER · Autopilot SystemSDR ASAA2022072539209Circuit Breaker · trippedFUEL QTY 2 C/B TRIPPED/OUT (P6-3 A5). GROUNDED - YES. FOUND C/B P6-3 A5 FUEL QTY 2 OPEN. INSPECTED C/B IAW B737-900 AMM 20-60-01-860-801 PERFORMED C/B RESET PER AMM 20-60-01-860-801 C/B REMAINS CLOSED. FUEL QTY INDICATION NORMAL PER AMM 28-41-00.Jul 25, 2022 · N477AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2022072339169Charger · faultedELEC LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED ELEC BITE LIGHT PROCEDURE , SPCU, AUX BATT CHARGER FAULT , AND STATIC INV FAULT, PERFORMED RESET ALL FAULTS CLEARED, NO OTHER FAULTS NOTED IAW B737-900 FIM 24-31-TASK 801.Jul 23, 2022 · N477AS · Boeing 737990ER · DC Generating SystemSDR ASAA2022051738353Door · bindingAPU WOULD NOT START AFTER 3 ATTEMPS. GROUNDED - YES. FOUND APU INLET DOOR BINDING + SHUTTERING. LUBRICATED APU INLET DOOR HINGES WITH OIL. OPS CHECK GOOD.May 17, 2022 · N477AS · Boeing 737990ER · APU Cowling/ContainmentSDR ASAA2022050838244Hydromech Unit · failed#1 ENG ACTUATOR TEST FAILED, FAULT CODE 75-20431 AND 75-30531. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-32 TASK 801 AND 75-22 TASK 801 FOR VBV DEMAND/POSITION AND LPTACC DEMAND/POSITION DISAGREE FAULTS. ELECTRICAL CKS PER TABLE 201 ON BOTH FIM TASKS RETURNMay 8, 2022 · N477AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022050838242Fuel Heater · leakingWHILE ACCOMPLISHING #1 ENG HMU AND FUEL SERVO HEATER LEAK CHECK FOUND SERVO FUEL HEATER CAP LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SERVO FUEL HEATER IAW B737-900 AMM 73-11-07 THROUGH STEP 3. E. 6. L. #1 ENG SERVO FUEL HEATER INSTALLATION TEST PASMay 8, 2022 · N477AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022050638213Apu · faultedAPU INOP. GROUNDED - YES. PERFORMED BITE REF B737-900 FIME 49-40-803, PERFORMED AS NORMAL OF THE APU, NO DEFECTS NOTED. NO FAULTS REPORTED. APU FAULT HISTORY SHOWS FAULT 49-11019, DC SHUTDOWN OF THE APU. SUSPECT INLET DOOR OUT OF SEQUENCE. PERFORMED A NORMAL SMay 6, 2022 · N477AS · Boeing 737990ER · APU ControlsSDR ASAA2022042538127Autoland Sys · erraticA/L & HGS ON 16R LANDED LEFT OF CTR LINE. IT DID TRACK STRAIGHT AFTER VEERING LEFT, MIGHT HAVE GOTTED BACK TO CTR IF 50-100 MORE FEET ALT. NO OBSTICLES NEAR RWY DURING LNDG. GROUNDED - YES. FLIGHT LEG HISTORY IN DFCS AND HGS AND FOUND NO RELEVANT DFCS MESSAGESApr 25, 2022 · N477AS · Boeing 737990ER · Autopilot SystemSDR ASAA2022033137868Unknown · unknownTHE LEFT TO/GA BUTTON ON THE THROTTLE CONTROL STAND DOES NOT ENGAGE TO/GA MODE. THE RIGHT SIDE SWITCH OPERATES NORMALLY. GROUNDED - YES. ACCOMPLISHED B37-900 FIM 22-32 TASK 804 FOR TO/GA SWITCH OPERATIONAL ISSUES. DISCRETES SHOW SWITCH IS OPERATING NORMALLY. PMar 31, 2022 · N477AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2022030737646Unknown · unknownDURING CRUISE FL 320, SUDDEN LOSS OF LNAV /VNAV F/O SCRATCHPAD SHOWED SINGLE FMC ACCOMPANIED BRIEFLY VTK & MAP ON NAV DISPLAY REENGAGED LNAV/VNAV ON THE MCP. REENGAGED SUCCESSFULLY WITH NO FURTHER ANOMALIES. GROUNDED - YES. VERIFIED L/H FMC HAD NUISANCE ERROR.Mar 7, 2022 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022021237419Wire Harness · wornDURING ACCOMPLISHMENT OF TASK CARD N8420001 RIGHT ENGINE HARNESS INSPECTION FOUND CJ9 HARNESS WORN. GROUNDED - YES. REMOVED AND REPLACED CJ9 HARNESS REF B737-900 AMM 73-21-06/401. CJ9 HARNESS INSTALLATION TEST NORMAL.Feb 12, 2022 · N477AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021121636913Unknown · unknownSATCOM LOCKUP GROUNDED - YES. PERFORMED SATCOM LOCKUP PROCEDURE. SATCOM RESTORED NORMAL.Dec 16, 2021 · N477AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021110736538Blade · damagedPER T/C 78472010 #1 ENG FAN BLADE LUBE #12 BLADE CU-NI-IN COATING MISSING BEYOND LIMITS OF CONVEX SIDE. GROUNDED - YES. REPLACED #1 ENG FAN BLADE #12 AND ITS PAIR. INSTALLATION ACCOMPLISHED ON T/C 78472010.Nov 7, 2021 · N477AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021110736537Spinner · nickedPER T/C 78472010 #1 ENG FAN BLADE LUBE REAR SPINNER CONE HAVE NICKS FORWARD #5 BALANCE SCREW AND AFT OF #22 BALANCE SCREW. GROUNDED - YES. REMOVED REAR SPINNER CONE REF TASKCARD 78472010 SUBTASK 839-006. REPLACED REAR SPINNER, INSTALLATION ACCOMPLISHED ON T/C Nov 7, 2021 · N477AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021101836341Transceiver · failedHF 2 RADIO "FAIL" WHEN TRYING TO TUNE. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER REF B737-900 AMM 23-11-21. OPS CHECK GOOD. GROUND VERIFICATION TEST SUCCESSFUL.Oct 18, 2021 · N477AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021101036247Window · noneLEFT SIDE OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE. AFTER 5 MINUTES IT WAS STILL ILLUMINATED. TURNED OFF AND CONTINUED FLIGHT. GROUNDED - YES. REMOVED AND REPLACED LH NO. 2 OPENABLE WINDOW PER AMM 56-12-11. OVERHEAT LIGHT NOT ILLUMINATED. OPS CHECK GOct 10, 2021 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021100836226Unknown · unknownLEFT SIDE WINDOW OVERHEAT AT CRUISE. GROUNDED - YES. CLEARED VIA QRH PROCEDURE.Oct 8, 2021 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021100336169Unknown · unknownIN FLIGHT LEFT FMC FAILED FOR AROUND 30 SECONDS BEFORE IT RESTORED ITSELF. GROUNDED - YES. BOTH FMC'S RESTORED FROM RE-SYNC R/H & L/H FMC BITE TEST OK. REF B737-900 AMM 34-61-00-710-801.Oct 3, 2021 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021100136146None · noneL SIDE WINDOW HEAT OVERHEAT IN FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 801 WINDOW HEAT BITE TEST. SYSTEM TEST NORMAL LEFT SIDE (M322) TEST PASSED.Oct 1, 2021 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021092836110Sliding Window · faultyDESCENDING THROUGH 18,00' LEFT SIDE WINDOW OVERHEAT CAUTION ILLUMINATED. COMPLETED QRH PROCEDURE - WINDOW HEAT ILLUMINATED AGAIN. GROUNDED - YES. REF B737-900ER FIM 30-41 TASK 801 BITE SHOWS LH WINDOW SENSOR FAULT. VERIFIED FAULT REF FIM 30-41 TASK 811 PRIMARYSep 28, 2021 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021092636086Unknown · unknownPRESSURIZATION AUTO FAIL ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMPLISHED #1CPC BITE REF B737-900 FIM 21-31 TASK 801. FOUND NO ACTIVE FAULTS. IN HISTORY IT SHOWED OFV FAIL, ONE TIME. ABLE TO CLEAR FAULT LOGGED. PERFORMED PRESSURIZATION SYS MANUAL MODE TSep 26, 2021 · N477AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2021091835985Unknown · unknownCAPTAIN'S FMC CDU WENT BLANK. "CALL AND FAIL" LIGHTS ILLUMINATED AFTER 30 SECONDS RETURNED TO NORMAL OPERATION. GROUNDED - YES. REF B737-900 FIM 34-61 TASK 803: PERFORMED LEFT CDU DISPLAY TEST, COLOR TEST, KEY TEST NOTING CORRECT OPERATION. PULLED/RESET 1 CB. Sep 18, 2021 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021091835983Lens · detachedL2 EXIT LIGHT COVER LOOSE. MAG FALL OFF. GROUNDED - YES. SECURED L2 EXIT LIGHT COVER OK FOR SVC.Sep 18, 2021 · N477AS · Boeing 737990ER · Emergency LightingSDR ASAA2021082635791Warning Light · false activationLEFT SIDE WINDOW OVERHEAT LIGHT CAME ON. FOLLOWED CHECKLIST, LIGHT EXTINGUISHED. GROUNDED - YES. ACCOMP. WINDOW HEAT SYSTEM OPS TEST, TEST PASS REF. B737-900 M/M 30-41-00-710-801.Aug 26, 2021 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021072635532Sensor · dirtyCONT CABIN 'ZONE TEMP' ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE PER B737-900 FIM 21-62 TASK 801 SHOWED FAULT FOR CONTROL CABIN TEMP CONTROL VALVE BUT VERIFY TEST DID NOT CONFIRM FAULT. FOUJul 26, 2021 · N477AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021060935063Control Valve · faultyWHILE PERFORMING T/C NG-21EA-23228-1 FOUND TCV FAULT ON ZONE TEMP CONT #1 GROUNDED - YES. REMOVED AND REPLACED L/H TCV REF B737-900 MM 21-51-10-400-801, OPS AND LEAK CHECK OK.Jun 9, 2021 · N477AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021060335042Display · intermittentFIRST OFFICER'S NAVIGATION DISPLAY INTERMITTENTEY SHOWS "VTK FLAG". GROUNDED - YES. VERIFIED FAULT, R/H FMC CYCLES ON & OFF. CYCLED BOTH FMC CMPTR C/B'S. ACCOMP. FMC BITE TEST RFMC SHOWS PGM FAULT, INTERMITTENT. ACCOMP. FMC SENSOR STATUS TEST ALL SHOW OK REF. Jun 3, 2021 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021053034973Regulator · failedFOLLOW-UP TO REPORT OF RIGHT BLEED TRIP IN FLIGHT, ACCOMPLISH RIGHT ENGINE PNEUMATIC SYSTEM HEALTH CHECK PER TASK CARD NG-36WC-00002-2 GROUNDED - YES. ACCOMPLISHED T/C NG-36WC-00002-2 THROUGH STEP 4L FOUND HSR BAD. REMOVED AND REPLACED HSR REF B737-800 AMM 36-May 30, 2021 · N477AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021052934970Fmc · failedHAD A LEFT SIDE VTK FLAG AND DUAL FMC FAILURE TWICE DURING FLIGHT. BOTH TIMES RECOVERED AND CLEARED WITHIN ABOUT 30 SEC- 1 MIN. GROUNDED - YES. PER B737-900 AMM 34-61-00 THIS IS A NUISANCE ERROR, ACCOMPLISHED SENSOR CK OF BOTH L & R FMC REF FMC BITE B737-900 FMay 29, 2021 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021042834690Lamp · inoperativeR1 SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED. OPS CHECK GOOD PER B737-900 AMM 33-51-04.Apr 28, 2021 · N477AS · Boeing 737990ER · Emergency LightingSDR ASAA2021012234040Transition Panel · corrodedFWD PIT R/H FLOOR TRANSITION PANEL BETWEEN STA 500G - STA 500L HAS CORROSION AROUND FASTENER HOLES. GROUNDED - YES. REMOVED CORROSION ON R/H TRANSITION PANEL STA 500G-500L, ORIGINAL MATERIAL :.040 MATERIAL REMOVED: .040. TOTAL MATERIAL LOSS .040. REMOVED TRANSJan 22, 2021 · N477AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021012233963Transition Panel · corrodedAFT PIT FLOOR TRANSITION PANEL LT SIDE BETWEEN STA 727I & J- STA 797 HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED CORROSION ORG THICKNESS .040, PER B737-900ER SRM 53-60-53-01-2. REMOVED .008 MATERIAL OUT OF LIMITS, PER B737-900ER SRM 53-00-53Jan 22, 2021 · N477AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021012233961Transition Panel · corrodedAFT PIT FLOOR TRANSITION PANEL RT SIDE BETWEEN STA 727I&J- STA 767 HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED CORROSION ORG THICKNESS .040, PER B737-900ER SRM 53-60-53-01-2. REMOVED .005 MATERIAL OUT OF LIMITS, PER B737-900ER 53-00-53-1A-2.Jan 22, 2021 · N477AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021012233960Transition Panel · corrodedAFT PIT FLOOR TRANSITION PANEL RT SIDE BETWEEN STA 727E&F- STA 727I & J HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED, FABRICATED AND INSTALLED AFT PIT TRANSITION PANEL ON RT BETWEEN FS 727E AND F TO FS 727I AND J. REMOVED CORROSION ORIG THICKJan 22, 2021 · N477AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2020122833774Platform · damagedWHILE ACCOMPLISHING T/C 78472010 NR 2 ENGINE NR 24 FAN BLADE PLATFORM GOUGED ON AFT LUG. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE FAN BLADE PLATFORM, PER T/C #78472010.Dec 28, 2020 · N477AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020121833723Fmc · inoperativeLEFT FMC INOPERABLE AFTER LANDING. GROUNDED-YES. VERIFIED LEFT FMC PROMPT NOT DISPLAYED. LEFT FMC LOGGED PGM FAULT. PERFORMED B737-900 FIM 34-61 TASK 836. SYSTEM OPERATIONS NORMAL.Dec 18, 2020 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020022193226Circuit Breaker · trippedRH NO. 1 WINDSHIELD HEAT INDICATES "OVERHEAT" AT 12 DEGREES C. WINDSHIELD IN SHADE. GROUNDED - YES. FOUND FRONT R/H WINDOW HEAT C.B. OPEN. INSPECTED CIRCUIT BREAKER, NO DEFECTS NOTED REF B737-900 AMM 30-41-710-801Feb 19, 2020 · N477AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2020021203151Sign · detachedR2 DOOR EXIT SIGN FELL OFF. GROUNDED - YES. RESECURED EXIT SIGN LOCATED IN AFT GALLEY R/H SIDE OF WASTE CONTAINER AS REQUIRED OK TO CONTINUE SERVICE.Feb 10, 2020 · N477AS · Boeing 737990ER · Emergency LightingSDR ASAA2020020542081Satcom · malfunctionedSATCOM INOP. GROUNDED - YES. ACCOMP RE-CYCLING OF A/C EXT PWR & BATTERY. ACCOMP SATCOM BITE & OPS TEST. SATCOM SYS. CHECKED GOOD. REF B737-900 AMM TASK 23-15-00-730-801 & B737-900 FIM TASK 23-15 TASK 801.Feb 4, 2020 · N477AS · Boeing 737990ER · Communications SystemSDR ASAA2020012982004Fmc · malfunctionedLEFT FMC FAILED IN CRUISE FLT AT FL380. GROUNDED - YES. VERIFIED LH FMC FAILED. ACCOMPLISHED B737-900 FIM 34-61 TASK 807 TEST OF FMC, OKAY. FMC PROMPT IS NOW SHOWN ON MCDU PAGE. NO LH FMC FAILURE MESSAGE NOTED ON BITE TEST.Jan 28, 2020 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020011091824Warning Light · false indicationCAPT PITOT HEAT LIGHT ILLUMINATED AND CIRCUIT BREAKER TRIPPED. GROUNDED - YES. IAW FIM 30-31 TASK 806/-802, RESET THE CIRCUIT BREAKER IAW AMM 20-60-01, CIRCUIT BREAKER DID NOT TRIP, WAITED 20 MIN. ACFT OK FOR SERVICE.Jan 9, 2020 · N477AS · Boeing 737990ER · Pitot/Static Anti-Ice SystemSDR ASAA2019122763706Autoland Sys · malfunctionedAUTOLAND FAIL, AUTOPILOT TRACKED LOCALIZER AND GLIDESLOPE WELL UNTIL APPROXIMATELY 60 FEET AGL JUST PRIOR TO AND DURING LANDING FLARE, THE AIRCRAFT DRIFTED LEFT OF CENTERLINE BY APPROXIMATELY 50 FEET. AUTOPILOT WAS DISCONNECTED AND AIRCRAFT WAS LANDED MANUALLYDec 26, 2019 · N477AS · Boeing 737990ER · Autopilot SystemSDR ASAA2019102173050Fmc · malfunctionedWHILE AT CRUISE FO'S ND HAD VTK FLAG WITH SINGLE FMC OPERATION IN SCRATCH PAD AND LOSS OF VNAV AND LNAV, AFTER ABOUT ONE MINUTE SYSTEM RESTORED ITSELF. GROUNDED - YES. PERFORMED FMC RESET PER B737-900 FIM 34-61 TASK 836. OPS CHECK NORMAL A/C OK FOR SERVICE.Oct 17, 2019 · N477AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019092430808Fmc · malfunctionedVTK ILLUMINATED CAPT SIDE QRH/ BOTH ON FMC R, OPS NORMAL. GROUNDED - YES. ACCOMPLISHED FMC RESET PER FIM 34-61 TASK 836 OPS NORMAL.Sep 24, 2019 · N477AS · Boeing 737990ER · Flight Management Computing Hardware System
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