N590AS

Service difficulty reports · 440

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 = 'N590AS' 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 ASAA2023030242165Unknown · unknownLEFT PACK LIGHT ILLUMINATED ON RECALL & RESETS, EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. C/W FIM. CONFIRMED L PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL IS PUSHED & RESETS WHEN MASTER CAUTION PUSHED. LT PACK TEMP CONTLR BITE, RAM AIR ACT Mar 2, 2023 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022842117Control Panel · defectiveTHERE IS A PIXEL TYPE CHARACTER ON THE MCP VERT SPEED WINDOW THAT WILL NOT GO AWAY. GROUNDED - YES. VERIFIED DEFECT. REMOVED AND REPLACED DFCS MCP IAW B737-800 AMM 22-11-34-000/400-801.Feb 28, 2023 · N590AS · Boeing 737890 · Autopilot SystemSDR ASAA2023022742112Unknown · unknownLEFT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED LEFT PACK TEMP CONT. BITE PROCEDURE PER B737-800 FIM 21-62 TASK 801. OPS CHECK GOOD NO FAULT LIGHT NOTED ON CONTROL BOX AND FLIGHT DECK.Feb 27, 2023 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023010241358Spacer · debondedWHILE ACCOMPLISHING FAN LUBE CARD #1 ENG FOUND SPACERS DISBONDING ON 2, 3, 4, 5, 7, 11, 13, 14, 15, 17, 18, 19, & 20. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FAN SPACERS ON FAN LUBE T/C.Jan 2, 2023 · N590AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2022121841161Unknown · unknownFLT 238 LAS-SFO AT TOP OF DESCENT NOTICED APPROX 1400 LB IMBALANCE NEVER HAD CENTER TANK FUEL, CENTER PUMPS OFF WHOLE FLIGHT. WHEN NOTICED LEFT TANK READ 5.51 RIGHT TANK READ 4.17, CROSSFEED VALVE OPERATED NORMALLY PER LIGHT, REBALANCE BEFORE LANDING SFO. GROUDec 18, 2022 · N590AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022112640954Coupler · inoperativeUNABLE TO TRANSMIT ON HF1. WE RECEIVED SELCAL ON BOTH HF1 + 2. WE WERE ABLE TO TRANSMIT & COMMUNICATE ON SAT1. GROUNDED - YES. SWAPPED #1 HF TRANSCEIVER AND COMPLETED B737-800 FIM 23-11 TASK 806. HF COMMUNICATION SYSTEM RECEIVE AND TRANSMIT PROBLEM. FAULT ISOLNov 26, 2022 · N590AS · Boeing 737890 · Communications System WiringSDR ASAA2022110640654Fmc · faultedFMC FAIL (NOTICED VTK FLAG ON CAPTAIN SIDE ND). SYSTEM RESTORED ITSELF IN A FEW MINS. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 836 AND FMCS BITE PROCEDURE REF FIM 34-61 TASK 801, ALL TEST PASSED.Nov 6, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022102340424Apu · reads highAPU REPORTS SHOW A RISE IN CT5ATP TEMP AND SURPASSED THE 605 DEGREE THRESHOLD. #PRI2/ETOPS. GROUNDED - YES. REPLACED APU ON WO # 1928869.Oct 23, 2022 · N590AS · Boeing 737890 · APU Core EngineSDR ASAA2022091439958Fmc · failedBOTH FMC'S FAILED DURING PREFLIGHT. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 836 AND FMCS BITE PROCEDURE REF FIM 34-61 TASK 801, ALL TEST PASSED.Sep 14, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022090739870None · failedVTK AND MAP SHOWED ON FO SIDE AT LEVEL OFF, AND SINGLE FMC OPERATION SHOWED IN FMC SCRATCHPAD. QRH CHECKLIST RESTORED DUAL FMC OPERATION. AT 20,000' ON DESCENT INTO SEA VTK AND MAP CAME BACK ON FO SIDE. GROUNDED - YES. REPLACED RIGHT FMC. OPS CHECK GOOD B737-8Sep 7, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022081639532Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1671 ARE INOP. (S/N 39727) GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1671 IAW B737-800 AMM 33-51-06-960-806.Aug 16, 2022 · N590AS · Boeing 737890 · Emergency LightingSDR ASAA2022081639531Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1670 ARE INOP. (S/N 38692) GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1670 IAW B737-800 AMM 33-51-06-960-806.Aug 16, 2022 · N590AS · Boeing 737890 · Emergency LightingSDR ASAA2022081639530Power Supply · inoperativeEMERGENCY LISHTS ASSOCIATED WITH POWER SUPPLY M1694 ARE INOP. (S/N 39605) GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1694 IAW B737-800 AMM 33-51-06-960-806.Aug 16, 2022 · N590AS · Boeing 737890 · Emergency LightingSDR ASAA2022072939484Skin Panel · crackedRH LOWER HORIZONTAL SKIN PANEL CRACKED INBOARD OF STAB STA120.30, 18" FORWARD OF REAR SPARE MEASURING 1" INLENGTH FOUND. MARKED. GROUNDED - YES. REPAIRED THE R/H LOWER HORIZ SKIN AT APPROX STA. 120.30 PER B737-800 ARM 55-10-01-2R-11.REPAIR IS A CAT "BA' REPAIRJul 29, 2022 · N590AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2022063038916Seal · bentL1 DOOR NOT SEALING. PRESSURE NORMAL. GROUNDED - YES. AIR TURNBACK - FOUND FWD ENTRY DOOR FLAPPER ASSY BENT. REMOVED AND REPLACED L1 FLAPPER ASSY REF B737-800 AMM 52-11-00-020-801 AND AMM 52-11-00-420-801. AIRPLANE PACK OPERATION-CONFIDENCE CHECK GOOD NO LEAKSJun 30, 2022 · N590AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2022060938611Plenum · damagedUPON MASTER CAUTION RECALL, RH 'PACK' LIGHT IS ILLUMINATED. CLEARS WITH MASTER CAUTION RESET. GROUNDED - YES. BITE TESTED PACK ZONE CONTROLLER FOUND RT RAM AIR AIR SENSOR FAULT. CLEARED FAULT SUSPECT OVER TEMP PRESSURE FROM ASA LOG 60463839. REMOVED BOTH RH PRJun 9, 2022 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022060938602Plenum · damagedBOTH PLENUMS ON RH PRIMARY AND SECONDARY HEAT EXCHANGERS DAMAGED. GROUNDED - YES. REMOVED BOTH RH PRIMARY AND SECONDARY HEAT EXCHANGERS AND PLENUMS. REF B737-800 AMM 21-51-03-000-805-002. INSTALLED NEW PLENUMS ON PRIMARY AND SECONDARY HEAT EXCHANGERS. POSITIONJun 9, 2022 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022060938601Acm · failedRH AIR CYCLE MACHINE DOES NOT ROTATE FREELY. UNIT IS HIGH TIME. GROUNDED - YES. REMOVED RH AIR CYCLE MACHINE. EXCHANGED FITTINGS TO NEW ACM. REF B737-800 AMM 21-51-04-000-802-002. INSTALLED SERVICEABLE AIR CYCLE MACHINE OP AND LEAK CKS GOOD REF. B737-800 AMM 2Jun 9, 2022 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022060538576Door Seal · failedAFTER DEPARTURE, LOUD NOISE WAS COMING FROM THE L1 DOOR. UPON INSPECTING THE DOOR, COULD SEE DAYLIGHT BETWEEN THE DOOR AND FUSELAGE. GROUNDED - YES. AIR TURNBACK - REMOVED AND REPLACED THE FWD ENTRY DOOR FLAPPER SEAL IAW B737-800 AMM 52-11-00-020-801 AND AMM 5Jun 5, 2022 · N590AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2022051638341Sign · detachedCENTER EMERGENCY EXIT OVERHEAD SIGN FELL DOWN. GROUNDED - YES. RESECURED CENTER EMERGENCY EXIT OVERHEAD SIGN PER B737-800 AMM 33-51-01.May 16, 2022 · N590AS · Boeing 737890 · Emergency LightingSDR ASAA2022050338187Control Valve · faultyRIGHT PACK LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMPLISHED PACK / ZONE TEMP CONTROLLER BITECK PER B737-800 AMM 21-61-00, FOUND TEMP CONTROL VALVE FAULT ON #2 CONTROLLER. REMOVED & REPLACED RT PACK TEMP CONTROL VALVE PER AMM 21-51-10. LEAK CK AND May 3, 2022 · N590AS · Boeing 737890 · Cabin Temperature ControllerSDR ASAA2022042038080Fmc · faultyFLT CREW REPORTS SINGLE FMC OPERATION AND "LANDING ALT AND VERT SPEED" FLAGS ON F/O'S DU. GROUNDED - YES. ON DEFERRAL. FLT CREW REPORTS SINGLE FMC OPERATION AND "LANDING ALT AND VERT SPEED" FLAGS ON F/O'S DU. GROUNDED - YES. REMOVED AND REPLACED L FMCS COMPUTApr 20, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022042038068Warning Message · false activationON PREFIGHT, "SINGLE FMC OPERATION" MESSAGE DISPLAYED. GROUNDED - YES. PERFORMED CDS BITE PROCEDURE PER B737-800 FIM 31-62-00-810-801, OPS CHECK GOOD, NO FAULTS NOTED, :SINGLE FMC OPERATION" PROMPT EXTINGUISHED.Apr 20, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022040837936Unknown · unknownON TAXI IN AND AT GATE FMC INTERMITTENTLY BLANKS ON MCDU MENU VTK APPEARS ON CA'S AND WHEN FMC BLANKS. GROUNDED - YES. VERIFIED FAULT CYCLED C/B FOR FMC COMPUTER #1 NO HELP CYCLED A/C PWR L/H FMC STOPPED CYCLING ON AND OFF. ACCOMP FMC SYSTEM OPS TEST BOTH FMCSApr 8, 2022 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022032637781None · faultyZONE TEMP CONTROL CABIN ON RECALL AND RESETS. GROUNDED - YES. BOTH ZONE TEMP CONTLRS LOGGED FLT DECK TRIM VALVE LAST LEG BUT TEST GOOD ON GND. REMOVED AND REPLACED CONTROL CABIN TRIM VALVE IAW B737-800 AMM 21-61-21-000-801, 21-61-21-400-801 LEAK CHECK AND OPSMar 26, 2022 · N590AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022032437760Unknown · unknown#2 ENG FIRE DETECTOR B-LOOP FAILS TEST. GROUNDED - YES. PERFORMED OPERATIONAL CHECK REF B737-800 AMM 26-11-00-710-801 NO DEFECTS NOTED.Mar 24, 2022 · N590AS · Boeing 737890 · Detection SystemSDR ASAA2022031537712Fire Detector · out of limits#2 ENGINE FIRE OVERHEAT DETECTION TEST FAILED. DETECTION LIGHT DOES NOT ILLUMINATE WITH OVHT DET SWITCH IN MANUAL - IT DOES ILLUMINATE WITH OVHT DET SWITCH IN THE A POSTITION. GROUNDED - YES. PER FIM 26-10 TASK 805, FOUND ENG 2 UPPER FAN DETECTOR B LOOP RESISMar 15, 2022 · N590AS · Boeing 737890 · Fire DetectionSDR ASAA2022031237688Modulating Valve · faultyAFTER START, UPON RECALL, BOTH CONT CAB AND AFT CAB ILLUMINATED. RESET WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE IAW B737-800 AMM 21-61-21. OPS CHK GOOD. NO DEFECTS NOTED AT THIS TIME.Mar 12, 2022 · N590AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022030737643Unknown · unknownZONE TEMP CONT CAB ILLUMINATES, EXTINGUISH ON RESET. GROUNDED - YES. BOTH ZONE TEMP CONT LOGGED FLT DECK TRIM VALVE FAULT. FAULT CLEARED AND BOTH BITE CK GOOD PER B737-800 AMM 21-61-00, GND VERIFICATION SUCCESSFUL.Mar 7, 2022 · N590AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022022237530Starter · making metal#2 ENG STARTER CHIP DETECTOR FAILED INSPECTION PER T/C N2480001 AND REQ. REPLACEMENT OF STARTER. GROUNDED - YES. REMOVED AND REPLACED #2 ENG STARTER PER B737-800 AMM 80-11-01. OIL AND AIR LEAK CHECK GOOD. PER AMM 71-00-00-700-801-F00 AND AMM 71-00-00-700-809-FFeb 22, 2022 · N590AS · Boeing 737890 · Engine CrankingSDR ASAA2022021837519Start Valve · inoperativeNUMBER 1 ENGINE WOULD NOT START ON PUSHBACK. START VALVE LT DID NOT ILLUMINATE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE START VALVE IAW B737-800 AMM 80-11-03 OPS CHECK GOOD AT THIS TIME.Feb 18, 2022 · N590AS · Boeing 737890 · Engine CrankingSDR ASAA2022021737518Unknown · unknownNO. 1 ENGINE WILL NOT START DURING PUSH BACK. ACCOMPLISHED QRH ITEMS AND STILL NO SUCCESS. DID NOT HAVE START VALVE OPEN LIGHT DURING ENGINE START PROCESS. GROUNDED - YES. FOUND #1 ENG. START VALE CONNECTOR WAS LOOSE. TIGHTENED CONNECTOR. OPS CK IS GOOD. REF BFeb 17, 2022 · N590AS · Boeing 737890 · Engine CrankingSDR ASAA2021122236976Unknown · leakingAFTER TAKE OFF, DUCT PRESSURES INDICATED 60 PSI LEFT SIDE, 10 PSI RIGHT SIDE. PRESSURIZATION WAS NORMAL. GROUNDED - YES. DIVERSION TIME 13 MINUTES. PERFORMING B737-800 FIM 36-10 TASK 811 FOUND #2 PRSOV LEAKING. REMOVED AND REPLACED #2 PRSOV REF B737-800 AMM 36Dec 22, 2021 · N590AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021121136874Unknown · unknownWHILE ENROUTE, RIGHT FMC FAILED. RIGHT FMC WAS REGAINED THROUGH QRH PROCEDURE. GROUNDED - YES. PERFORMED RT FMC BITE PROCEDURE REF B737-800 FIM 34-61 TASK 801. RT FMC DETECTED A "PRES POS LAT RATE" ANOMALY AND STARTED "RESYNC" SUCCESSFULLY. ADIRS #1 & #2 BITE Dec 11, 2021 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021120636836Unknown · unknownVTK FLAG FO SIDE, LOST RIGHT FMC LEFT MAP AND LEGS PGE WENT BLANK INTERMITTENTLY AND CPDLC KICKED OFF BOTH TIMES THE LEGS PAGE DROPPED. ABOUT 30 MINUTES OUT OF OGG, VTK WENT AWAY AND ALL NAVIGATION WAS RESTORED NORMAL. GROUNDED - YES. DIVERSION TIME 78 MINUTESDec 6, 2021 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021112436727Tat Probe · inoperativeTEMP PROBE MASTER CAUTION OCCURRED AT CRUISE ALTITUDE. GROUNDED - YES. PERFORMED B737-800 FIM 30-31 TASK 810 A THROUGH E NO HELP. FAULT LIGHT REMAINS ON, DEFECTS REMAINS OPEN. REMOVED AND REPLACED TOTAL AIR TEMPERATURE PROBE PER B737-800 AMM 34-21-06 PB 401. ONov 24, 2021 · N590AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2021111836653Control Valve · inoperativeLEFT PACK LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMPERATURE CONTROLLER BITE PER B737-800 AMM 21-61-00-700-806-002 DURING BITE TEST LH PACK TEMPERATURE CONTROL VALVE (TCV) SOUNDED BAD. REPLACED LH PACK TCV PER AMM 21-51-10-000-801.Nov 18, 2021 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021111636626Unknown · unknownON DESCENT AND DURING RECALL GOT LEFT PACK LIGHT AND DURING MASTER RECALL IT RESET THE LIGHT EXTINGUISHED. GROUNDED - YES. PERFORMED PACK TEMP. CONTROL BITE TEST IAW B737-800 FIM 21-62 TASK 801. FOUND TEMP CONTROL VALVE FAULT WAS INTERMITTENT DURING PREVIOUS FNov 16, 2021 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021110836563Valve · stuck#2 COWL VALVE OPEN ON PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED INLET COWL THERMAL ANTI-ICE VALVE, REF B737-800 AMM 30-21-11. OPS CHECK OK.Nov 8, 2021 · N590AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA2021103036458Unknown · unknownAFTER PUSHBACK FMC DISAGREE APPEARED IN SCRATCH PAD. GROUNDED - YES. RESET PER QRH OPERATES NORMALLY.Oct 30, 2021 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021102936531Valve · inoperative#2 ENG ANTI ICE INDICATING ON WHEN IT IS NOT DIM BLUE LIGHT ON WITH SWITCH IN OFF POSITION TAI SHOWS OFF, CAME ON AFTER LANDING. GROUNDED - YES. PERFORMED B737-800 FIM 30-11 TASK 803, DURING OPERATIONAL CHECK FOUND PRSOV NO SUPPLYING AIR PRESSURES TO ENGINE #2Oct 29, 2021 · N590AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021102436377Unknown · unknownCAPTAINS SIDE MCP COURSE ADJUST KNOB DETACHED. GROUNDED - YES. TIGHTENED KNOB OPS NORMAL REF. 22-11-34-900-801.Oct 24, 2021 · N590AS · Boeing 737890 · Autopilot SystemSDR ASAA2021100936224Wire Harness · inoperativeCREW REPORTS #2 ENG FIRE DETECTION LOOP B IS INOP. GROUNDED - YES. TROUBLESHOT PER B737-800 FIM 26-10 TASK 805, FOUND BAD TERMINAL CONNECTION AT M1760 (RIGHT AFT UPPER CORE LOOP B). REPLACED WIRE HARNESS MW0326 (P/N 325-027-606-0) PER B737-800 AMM 26-11-02 PG#Oct 9, 2021 · N590AS · Boeing 737890 · Fire Protection System WiringSDR ASAA2021100836220Unknown · unknownLEFT PACK LIGHT ILLUMINATED - RESET. GROUNDED - YES. PERFORMED BITE TEST OF # 1 AND # 2 PACK CONTROLERS FOUND # 1 PACK CONTROLLER TCV FAULT, PERFORMED VERIFY OF BOTH CONTROLLERS NO FAULTS FOUND REF B737-800 FIM 21-62 TASK 801 RESET BOTH CONTROLLERS AND PERFORMOct 8, 2021 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021100736217Spacer · nonePER T/C 78472010 #1 ENG FAN BLADE LUBE SPACERS #21, 22, AND 23 ELASTOMERS ARE DISBONDED. GROUNDED - YES. REPLACED SPACERS #21, 22, AND 23 OF THE #1 ENG IAWA T/C 78472010.Oct 7, 2021 · N590AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2021092536122Computer · faultyPSEU LIGHT ILLUMINATED AFTER LANDING AND REMAINED ILLUMINATED FOR A FEW MINUTES - LIGHT EXTINGUISHED. GROUNDED - YES. CONFIRMED FCC-B INTERFACE FAULTS. REMOVED AND REPLACED FCC-B REF B737-800 AMM 22-11-33. OP CHECK GOOD. NO PSEU FAULTS. HGS SHOWS #2 RAD ALT WISep 25, 2021 · N590AS · Boeing 737890 · Dependent Position Determining SystemSDR ASAA2021082335776Wire Harness · wornREF LEFT ENGINE HARMESS INSPECTION T/C N8420000 J-10 HARNESS IS WORN THROUGH TO BRAIDING AT 9'OCLOCK VBV ACT POSITION. GROUNDED - YES. REPLACED LEFT ENGINE J-10 HARNESS REF AMM 73-21-06-400-802-F00. ACCOMPLISHED EEC TEST, IDENT/CONFIG TEST, AND DISCRETES TEST,Aug 23, 2021 · N590AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2021082335773Regulator · damagedLEFT ENGINE BLEED AIR PRESSURE REGULATOR ELECTRICAL RECEPTACLE BACKSHELL IS LOOSE AND THREADS ARE DAMAGED ON BACKSHELL SIDE OF RECEPTACLE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG BLEED AIR REGULATOR REF AMM 36-11-03/401. 4 C/B'S OPENED, TAGGED, AND RESET. Aug 23, 2021 · N590AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2021081235704Lens · detachedFA REPORTS L1 DOOR EMERGENCY LIGHT COVER DISENGAGED. GROUNDED - YES. INSTALLED AND SECURED L1 DOOR THRESHOLD LIGHT COVER IAW B737-800 AMM 33-29-00.Aug 12, 2021 · N590AS · Boeing 737890 · Emergency LightingSDR ASAA2021080835669Fmc · faultedINTERMITTENT VTK FLAG ON FO SIDE ON 5 OCCASIONS. WITH SINGLE FMC OPERATION MESSAGE ON FO SIDE. ONE OCCASION OF DUAL VTK FLAGS ON BOTH SIDES. ON ALL OCCASIONS THE ISSUES FIXED THEMSELVES PRIOR TO COMPLETION OF CHECKLIST. GROUNDED - YES. PERFORMED B737-800 FIM 3Aug 8, 2021 · N590AS · Boeing 737890 · Flight Management Computing Hardware System
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