N518AS

Service difficulty reports · 480

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 = 'N518AS' 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 ASAA2023020543180Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M2335 FAILED OPERATIONAL TEST GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M2335 IAV B737-800 AMM 33-51-06. OPS CHECK GOOD.Feb 5, 2023 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2023020141769Not Reported · not reportedLH PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED #1 PZTC BITE AND HAD "RAM AIR ACT" FAULT ILLUMINATED ON PREV FLIGHT. ACCOMPLISHED #1 PZTC BITE "VERIFY" AND BITE TEST PASS REF B737-800 FIM 21-62 TASK 837. NO HISTORY 30 DFeb 1, 2023 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023011441525Heater · faultedRIGHT ELEVATOR PITOT MASTER CAUTION AFTER NR 2 ENGINE START. GROUNDED - YES. FOUND CIRCUIT BREAKER RT ELEVATOR PITOT HEAT TRIPPED. PERFORMED C/B RESET IAW AMM 20-60-01. NO HELP. CB TRIPS WHEN SWITCHED ON. REMOVED AND REPLACED THE RT ELEVATOR FEEL SYS PITOT PROJan 14, 2023 · N518AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2023010341405Modulating Valve · faultedDURING AFTER START RECALL, MASTER CAUTION "AIR COND" CONT CABIN "ZONE TEMP" ILLUMINATED, RESET WITH MASTER CAUTION, RAN QRH-SUCCESSFUL. GROUNDED - YES. #2 PACK TEMP BITE SHOWS FLT DECK TRIM VALVE FAULT, MSG CLEARED, RAN PACKS & RE-VERIFY BITE, TEST PASS REF B7Jan 3, 2023 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023010241469Strut · delaminatedREF ASA T/C # 78472000 #2 ENG. INLET AND FAN BLADES- DETAILED INSPT. FOUND GLASS FAN CASE PANEL HAS 1 EA. FASTENER INSERT DELAM. FROM PANEL. AFT LWR FASTENER. (N1) ALF. GROUNDED - YES. REMOVED AND REPLACED FAN DUCT PANEL REF B737-800 AMM 72-25-07.Jan 2, 2023 · N518AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2022122441245Fmc · faultedFMC INITIALIZED FOR ANOTHER FLIGHT AND UNABLE TO CLEAR AND RE-INIT FOR NEW FLIGHT. GROUNDED - YES. RESET BOTH FMCS PER B737-800 FIM 34-61 TASK 836. PREVIOUS FLIGHT PLAN CLEARED. OPS TEST GOOD.Dec 24, 2022 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022122441231Hf Comm · faultedHF2 INTERMITTENTLY UNABLE TO TRANSMIT RECEIVE OK. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 806. HF1 AND HF2 OPS CHECK GOOD.Dec 24, 2022 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2022122341230Control Panel · faultedNUMBER 2 HF/SAT XFER SWITCH WILL NOT ENGAGE WHEN PUSHING. GROUNDED - YES. REMOVED & REPLACED HF/SAT PANEL PERFORMED SYSTEM TEST IAW B737-800 AMM TASK 23-15-00-730-801. OPS CK NORMAL.Dec 23, 2022 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2022111940853Hf Comm · faultedHF1 TRANSMITS OK BUT GARBLED RECEIVED, SELCAL OK. GROUNDED - YES. PERF HF1 BITE TEST PASSED, REF B737-800 AMM 23-11-00. COMMUNICATION TRANSMITS LOUD AND CLEAR.Nov 19, 2022 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2022102940517Controller · faultedCONT CABIN ZONE TEMP LIGHT ON RECALL. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE IAW B737-800 FIM 21-62-00 - #2 ZONE TEMP CONTROLLER SHOWED FLT DK TRIM VALVE FAULT. CLEARED FAULT DURING BITE CHECK. RAN BITE AGAIN - NO FAULTS NOTED. NO HISTORY PAST 30 Oct 29, 2022 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022102540536Spinner · damagedPER ASA TASK CARD 78472000 SPINNER FRONT CONE IS MISSING MORE THEN 50 PERCENT ANODIZED COATING. GROUNDED - YES. REMOVED & REPLACED #1 ENG SPINNER FRONT CONE REF B737-800 AMM 72-21-01.Oct 25, 2022 · N518AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2022080639384Autothrottle Sys · failedDURING TAKEOFF LIVE UP, #2 AUTOTHROTTLE DID NOT ADVANCE. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTE SYSTEM TEST WITH NO FAULTS FOUND REF B737-800 AMM 22-31-00-710-802.Aug 6, 2022 · N518AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2022080439343Hf Comm · failedHF#2 SHOWS FAIL ON ACTIVE AND FAIL ON STANDBY. GROUNDED - YES. PERFORMED BITE REF B737-800 FIM 23-11 TASK 801. NO DEFECTS NOTED. OK FOR SERVICE.Aug 4, 2022 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2022080139301Control Valve · faultyRIGHT PACK LIGHT CAME ON AFTER TAKEOFF WITH NO MASTER CAUTION WARNING. RAN ASA QRH AND WAS ABLE TO GET PACK LIGHT TO EXTINGUISH. GROUNDED - YES. REMOVED AND REPLACED R/H PACK TCV REF B737-800 AMM 21-51-10/401.Aug 1, 2022 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022072939273Control Valve · faultedRIGHT PACK LIGHT ILLUMINATED WHEN RECALL IS PUSHED. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONT BITE TEST REF B737-800 AMM 21-61-00-700-806-002 FOUND TCV FAULT ON CONTROLLER #2. FAULT CLEARS. NO FURTHER DEFECTS NOTED.Jul 29, 2022 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022070738981A/C Pack · warning messageRT PACK ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PTC BITE, FOUND TCV LIGHT ON ON IN "THIS PACK", ON ZTC 2. ACCOMPLISHED B737-800 FIM 21-62 TASK 831 AFTER C/B RESET GREEN GO LIGHT COME ON, PER FIM NO FURTHER ACTION NECESSARY.Jul 7, 2022 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022070438961Cover · missingEMERGENCY EXIT LIGHT COVER (NEAR FLOOR) MISSING AT 16A. GROUNDED - YES. R&R EXIT SIGN LIGHT ASSY AT 16A OPS CK NORMAL REF B737-800 AMM 33-51-01-960-802.Jul 4, 2022 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2022062438790Hf Comm · faultedHF#1 FAIL. GROUNDED - YES. RESET AND PERFORMED OPERATIONAL TEST OF THE HF #1 IAW B737-800 AMM 23-11-00. FAULT CLEARED. OPS CHECK OK.Jun 24, 2022 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2022061638672Battery Pack · failedL AND R OVERWING EXIT LIGHTS FAIL CAPACITY CHECK REF ASA T/C 78233001. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK FOR LEFT AND RIGHT OVERWING EXIT LIGHT ASSY IAW B737-800 AMM 33-51-06. OPS CHECK GOOD.Jun 16, 2022 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2022051938419Sensor · faultyENGINE #1 FAULT CODE 73-30901, T12 SIGNALS DISAGREE. SHORT TIME. DEFERRED PER ASA T/C 78273000. GROUNDED - YES. ON DEFERRAL. ENGINE #1 FAULT CODE 73-30901, T12 SIGNALS DISAGREE. SHORT TIME. DEFERRED PER ASA T/C 78273000. GROUNDED - YES. T12 SENSOR CHB PINS May 19, 2022 · N518AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2022051938435Sensor · faultyENGINE #1 FAULT CODE 73-21701. ADIRU TAT DATA AND THE T12 SIGNAL DISAGREE. SHORT TIME DEFERRED PER ASA T/C 78273000. GROUNDED - YES. T12 SENSOR CHB PINS 1 TO 2 OPEN REF B737-800 FIM 73-28 TASK 801 TABLE 201. REPLACED T12 SENSOR, EEC TEST PASS B737-800 AMM 73-2May 19, 2022 · N518AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2022051538311Fmc · inaccurateON TAXI OUT, F/O NAV DISPLAY MAP AND NO MAGENTA LINE. GROUNDED - YES. ACCOMPLISHED RH FMC RESET, BITE TEST OPS NORMAL, REF B737-800 FIM 34-61-00-810-801. RE-ALIGNED IRU'S, OPS NORMAL. REF FIM 34-21 TASK 804.May 15, 2022 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022050138175Unknown · unknownMISSING FMC PROMPTS FOR NORMAL OPERATIONS. GROUNDED - YES. PERFORMED FMC BITE REF B737-800 FIM 34-61 TASK 801. NO FAULTS FOUND.May 1, 2022 · N518AS · Boeing 737 · Flight Management Computing Hardware SystemSDR ASAA2022040737939Unknown · faultyLEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMB. LIGHT STAYED ON AFTER QRH PROCEDURE ACCOMPLISHED. GROUNDED - YES. REMOVED P59 PANEL NO FIX. REINSTALLED ORIGINAL P59 PANEL IAW B737-800 AMM 30-41-41. REMOVED AND REPLACED LEFT FWD #1 WINDOW IAW AMM 56-11Apr 7, 2022 · N518AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022022437561Control Panel · inoperativeON MCP, VNAV SWITCH LIGHT - INOP. GROUNDED - YES. REMOVED DFCS MODE CONTROL PANEL (MCP) PER B737-800 AMM 22-11-34-000-801. INSTALLED MCP PER AMM 22-11-34-400-801 ACCOMPLISHED FOLLOWING DFCS TESTS BITE GROUP #49 LAND VERIFY TEST PER AMM 22-11-00-700-801, LRU REFeb 24, 2022 · N518AS · Boeing 737890 · Autopilot SystemSDR ASAA2022020737365Sensor · failedAT FL360 RT PACK DUCT PRESS 9 PSI LEFT PACK DUCT PRESS 42PSI. GROUNDED - YES. AIR TURNBACK - DIVERSION TIME 105 MINUTES. PERFORMED TASK CARD NG-36WC-00001. REMOVED AND REPLACED KISS SEAL ON PRECOOLER CONTROL VALVE AS PRECAUTION IAW B737-800 AMM 36-12-02-000-8Feb 7, 2022 · N518AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021123137038Unknown · unknownCONT CAB ZONE TEMP LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. FOUND PZTC2 FLT DECK TRIM VALVE FAULT REF B737-800 FIM 21-62 TASK 832 FAULT CLEARED ON VERIFY. REPLACED FLIGHT DECK SENSOR FILTER WITH NEW AND CLEANED SENSOR OP CK GOOD.Dec 31, 2021 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2021122837015Unknown · unknownUPON #2 ENGINE SHUTDOWN FMC DISAGREE APPEARED ON BOTH MFD'S. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 835 NO DEFECT. COULD NOT DUPLICATE OK FOR SERVICE.Dec 28, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021122737009Unknown · unknownON DESCENT WITH RECALL CHECK RIGHT PACK LIGHT CAME ON WENT OUT WITH MASTER CAUTION PUSH TO RESET. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-53 TASK 821 #2 PZTC SHOWED THIS PACK TCV FAULT CLEARED ON RESET.Dec 27, 2021 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021122536992Unknown · unknownAUTOTHROTTLE WILL NOT STAY ENGAGED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM TASK 22-31-00-810-801 AUTOTHROTTLE BITE TEST. NO FAULTS NOTED. OK FOR CONTINUED SERVICE.Dec 25, 2021 · N518AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2021122436999Unknown · unknownCONT CAB ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMP CONTROLLER #2 BITE PER B737-800 FIM 21-62 TASK 801. LOGGED "FLT DECK TRIM VALVE", FAULT CLEARED. OPERATED PACKS, NO FAULTS.Dec 24, 2021 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2021121736938Unknown · unknownWHILE PREFLIGHTING FMC, "SINGLE FMC OPERATIONS" APPEARED ON MCDU SCRATCHPAD. GROUNDED - YES. RAN QRH AND PULLED AND RESET FMCS CMPTR 1 AND 2 CIRCUIT BREAKERS PER THE PROCEDURE. NORMAL FMC OPERATIONS WAS RESTORED.Dec 17, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021121436905Coupler · faulty#1 HF TRANSMIT FUNCTION INOP. GROUNDED - YES. REMOVED AND REPLACED #1 HF COUPLER REF B737-800 AMM 23-11-61 OP'S CHECK OK #1 HF TRANSMITS AND RECEIVES NORMALLY GROUND VERIFICATION SUCCESSFUL.Dec 14, 2021 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2021120236778Unknown · unknownDUAL FMC FAILURE. OCCURRED AS WE WERE COMPLETING THE QRH PROCEDURE FOR A RIGHT FMC FAILURE. HAD OCCURRED FIRST. THE RIGHT FMC FAILURE HAD SELF CORRECTED AND REOCCURRED MULTIPLE TIMES BEFORE WE GOT TO THE STEP OF PUTTING THE FMC SOURCE SWITCH TO BOTH ON 1. AFTEDec 2, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021102136389Unknown · unknownFOS' RADAR DISPLAY DOES NOT DISPLAY CORRECTLY IN AUTO / WXTX OR WX. RADAR PAINTS AS IF IT IS IN MANUAL TILT AT -2 -3 DEGREES DOWN AND APPEARS TO BE GROUND MAPPING. WHEN TAKEN OUT OF AUTO DISPLAYS MATCH ON CA+FO ND. GROUNDED - YES. PERFORMED B737-800 FIM 34-43 Oct 21, 2021 · N518AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2021073135592Fmc · failedRIGHT FMC FAILURE. RAN CHECKLIST AND RESTORED RIGHT FMC'S THEN DUAL FMC FAILURE FOR ABOUT 3 MINUTES. BOTH FMC RETURNED BACK TO NORMAL. GROUNDED - YES. PERFORMED FMC 1 AND 2 SYSTEM TEST PER B737-800 FIM 34-61 TASK 836. OPS CHECK NORMAL.Jul 31, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021070235235Warning Message · false activationWHILE ACCOMPLISHING T/C 78222000, SPOILER 9 POSITION SENSOR FAULT DURING BITE LIBRARY TEST 60.31. GROUNDED - YES. PERFORMED SPOILER 9 POSITION SENSOR ADJ REF B737-800 AMM 22-11-27-820-801. ALL TESTS PASS. BITE LIBRARY TEST 60.31 PASSES. T/C 78222000 COMPLETE.Jul 2, 2021 · N518AS · Boeing 737890 · Central WarningSDR ASAA2021062335188Hook · wornWHILE ACCOMP TC SBCFM56-7B-72-0986-1 ON #1 ENG ESN 896974 FOUND STAGE 3 VSV J HOOK AFT SIDE HAS WEAR CONTACT WITH DAMAGE APPROX ONE SEGMENT IN LENGTH, WITH VSV SEGMENT (INNER) RETAINER PINS WORN/WORKING, PICTURES PROVIDED TO TECH SVC (POWERPLANT) & POWERPLANT Jun 23, 2021 · N518AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2021062035159Sensor · faultedUNABLE TO COMPLETE TC 782223000 FLIGHT MANAGEMENT SYSTEM AND NAVIGATION FUNCTION CHECK, DUE TO FAILURE OF DFCS BITE LIBRARY NUMBER 60.31 AUTO PILOT B AILERON SENSOR 2 FAULT MSG 22-11146 (J18-K13) AND (J1B-H13) AND MSG 22-11340 R AILERON SENSOR EXC INV. GROUNDJun 20, 2021 · N518AS · Boeing 737890 · Autopilot SystemSDR ASAA2021061135082Power Supply · inoperativeEMERGENCY LIGHTS COMMON TO POWER SUPPLY M1673 INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY IAW B737-800 AMM 33-51-06. OPS CHECK GOOD.Jun 11, 2021 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2021052935072Skin · corrodedFUSELAGE SKIN CORRODED AROUND WASTE VACUUM EXHAUST VENT. GROUNDED - YES. REMOVED CORROSION FROM THE FUSELAGE SKIN AT STA 917, BETWEEN STR-21L AND STR-22L, ORIGINAL THICKNESS 0.125", REMOVED 0.023", REMAINING THICKNESS 0.102" AREA FOUND TO BE OUT OF LIMITS IAW May 29, 2021 · N518AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2021042834686Autothrottle Sys · malfunctionedAUTO THROTTLE WILL NOT ARM. GROUNDED - YES. FOUND A/T DC 1 DC/B POPPED, RESET A/T DC 1 C/B REF 20-60-01, NO FAULTS NOTED AT THIS TIME. PERFORMED B737-800 FIM 22-31 TASK 801, NO FAULTS NOTED AT THIS TIME.Apr 28, 2021 · N518AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2021042434648Pressure Switch · inoperative#1 AFT FUEL PUMP DOES NOT ILLUMINATE TO LOW PRESSURE WHEN SELECTED TO OFF POSITION VERIFIED ANNUNCIATOR DOES PRESS TO TEST OK ONLY OCCURRED IN FLIGHT UPON SHUTDOWN ANNUNCIATOR APPEARS TO FUNCTION NORMALLY. GROUNDED - YES. REMOVED AND REPLACED #1 AFT FUEL PUMP Apr 24, 2021 · N518AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2021042234652Satcom · lockedSATCOM LOCKUP GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH, FIXED LOCK UP.Apr 22, 2021 · N518AS · Boeing 737890 · Communications SystemSDR ASAA2021032834445Fmc · failedDUAL FMC FAILURE DURING CRUISE (VTK FLAGS ON BOTH NDS, CWR, A/T LIM ANNUNC). BOTH FMC'S RESET. GROUNDED - YES. PERFORMED FMC BITE PROCEDURE PER B737-800 FIM 34-61 TASK 801 FOUND FMC-L-PGM FAULT, PERFORMED FIM 34-61 TASK 807 FOUND THAT THERE WAS AN INTERMITTEN Mar 28, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021020634052Fmc · malfunctionedFMC DISAGREE ON THE GROUND. GROUNDED - YES. RESET PER QRH SUCCESSFUL.Feb 6, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021012933978Actuator · slowAPU FAULT LIGHT. GROUNDED - YES. CDU SHOWS FAULT 49-15004 INLET DOOR SHUTDOWN 3 OCCURENCES. B737-800 FIM 49-10 TASK 806. INLET DOOR ACTUATOR TAKES LONGER THAN 30 SECONDS TO CYCLE. REPLACED APU INLET DOOR ACTUATOR IAW B737-800 AMM 49-15-31 ASSOCIATED OPS CHECKSJan 29, 2021 · N518AS · Boeing 737890 · APU Cowling/ContainmentSDR ASAA2021011633884Control Panel · lockedALT WINDOW MCP LOCKED UP AT 27100. GROUNDED-YES. REMOVED AND REPLACED MCDP, IAW B737-800 AMM 22-11-34 REV 73. PERFORMED MCP INSTALLATION TEST, IAW AMM TASK 22-11-34-740-801 REV 73, TEST SATISFACTORY.Jan 16, 2021 · N518AS · Boeing 737890 · Autopilot SystemSDR ASAA2021010633828Autoland Sys · malfunctionedUNSUCCESSFUL A3 PRACTICE APPROACH UPON PRESSING 2ND AP GOT NO AIII. TRIED TO MANUALLY ENGAGE, BUT STILL DID NOT WORK AND HAD TO MANUALLY LAND. GROUNDED-YES. DFCS FAULT REVIEW LAST LEG FAULTED 22-11085 CHANNEL "A". LRU REPLACEMENT TEST FOR VOR PASSES. ACCOJan 6, 2021 · N518AS · Boeing 737890 · Autopilot SystemSDR ASAA2021010433815Fmc · malfunctionedNR 2 FMC FAIL WITH "MAP" FLAG AND "SINGLE FMC OPERATION" IN SCRATCHPAD. GROUNDED-YES. PERFORMED B737-800 FIM 34-61 TASK 801, BOTH FMC'S OPERATIONS NORMAL. SINGLE FMC MESSAGE AND MAP FLAG BOTH EXTINGUISHED. ETOPS SIGNIFICANT SYSTEM-GROUND VERIFICATION OPERAJan 4, 2021 · N518AS · Boeing 737890 · Flight Management Computing Hardware System
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