N508AS

Service difficulty reports · 429

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 = 'N508AS' 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 ASAA2023030742246Control Panel · faultyALTITUDE SELECTOR ON MCP MISSES THE ALTITUDE SELECTION AND ADDS BACK A FEW HUNDRED FEET OCCASIONALLY. GROUNDED - YES. DUPLICATED PROBLEM, R & RD DFCS MODE CONT PNL PER B737-800 AMM 22-11-34.Mar 7, 2023 · N508AS · Boeing 737890 · Autopilot SystemSDR ASAA2023030542214Transceiver · faultyWEATHER RADAR DEPICTED CELLS WHERE THERE WERE NONE AND DEPICTED NOTHING WHEN THERE WERE CELLS. USED IN AUTO AND MANUAL BOTH. AUTO SEEMED MORE INACCURATE. GROUNDED - YES. REMOVED AND REPLACED THE WEATHER RADAR TRANSCEIVER IAW B737-800 AMM 34-43-41.Mar 5, 2023 · N508AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2023030342175Unknown · unknownL-1 WINDOW HEAT INOP. GROUNDED - YES. FOUND C/B FOR L-1 WINDOW HEAT OUT ON P6-11 PANEL. NO HISTORY-INSPECTED WIRING CIRCUIT-NORMAL,REF B737-800 WDM 30-41-11-6RESET C/B REF MM 20-60-01L-1 WINDOW HEAT OPS NORMAL. REF B737-800 AMM 30-41-0OK FOR SERVICE, GRD VERIFMar 3, 2023 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2023022442058Controller · faultyCONTROL CABIN ZONE TEMP LT ILLUMINATES ON MC RECALL. GROUNDED - YES. REMOVED AND REPLACED #2 PACK ZONE TEMP CONTROLLER REF B737-800 AMM 21-61-20.Feb 24, 2023 · N508AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023021642145Valve · faultyCFM REPORTS #2 ENGINE GRADUAL INCREASE IN DELTA EGT AND DELTA FUEL FLOW AND DECREASE IN DELTA CORE SPEED. GROUNDED - YES. REMOVED AND REPLACED HPTACC ACTUATOR ASSY PER B737-800 AMM 756-25-05.Feb 16, 2023 · N508AS · Boeing 737890 · Engine Cooling SystemSDR ASAA2023021341934Valve · faultyCONT CAB ZONE TEMP LIGHT ILLUMINATED DURING RECALL ZONE TEMP LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED & REPLACED LEFT TEMP CONTROL VALVE B737-800 AMM 21-61-21.Feb 13, 2023 · N508AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023013141755Not Entered · not enteredAFTER LANDING THE LEFT FMC FAILED. THE FMC CONTINUALLY CYCLED ON/OFF THROUGHOUT TAXI IN TO THE GATE. GROUNDED - YES. CAPT'S FMC LOGGED 'PGM' FAULT ON GND. ACCOMP B737-800 FIM TASK 34-61 #807 & 836. GND VERIFICATION SUCCESSFUL, ALL CKS NML.Jan 31, 2023 · N508AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023012941751Idg · faulty#1 GEN DRIVE LIGHT IS GOING OUT AND COMING BACK ON CAUSING MASTER CAUTION ELEC LIGHT WITH #1 ENG OFF. GROUNDED - YES. REMOVED AND REPLACED #1 IDG REF 737-800 AMM 24-11-11.Jan 29, 2023 · N508AS · Boeing 737890 · Alternator-Generator DriveSDR ASAA2023010141360Ecu · faultedUPON PERFORMING EEC TEST ON ENG #1 FOUND FAULT CODES 73-21281 AND 73-20101. GROUNDED - YES. REMOVED #1 ENG EEC AND REPLACED WITH SERVICEABLE UNIT THROUGH REF B737-800 AMM 73-21-60/401. INSTALLATION TESTS COMPLETED & ALL TESTS PASSED. NO FAULTS.Jan 1, 2023 · N508AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2022122441239Pump · faultedFOLLOW UP TO L/H FWD FUEL PRESSURE LIGHT ILLUMINATING DURING CRUISE FLIGHT. GROUNDED - YES. REMOVED AND REPLACED NO 1 FUEL TANK FWD BOOST PUMP REF B737-800 AMM 28-22-41. OPS CHECK AND LEAK CHECK GOOD.Dec 24, 2022 · N508AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2022122141194Warning Light · false activationCONT CAB ZONE TEMP ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. FAULT RESET. NO CURRENT FAULT. CONT CAB ZONE TEMP LIGHT REMAINS EXTINGUISHED DURING RECALL. ORIG SUBMISSION DATE: 12/21/2022Dec 17, 2022 · N508AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022120841095Unknown · unknownAFTER TAKEOFF HUD DISPLAYED "TAILSTRIKE" AND DISPLAYED "PWS FAIL" BOTH DISPLAYED AT THE SAME TIME AND CLEARED THEMSELVES AT THE SAME TIME DURING CLIMB. GROUNDED - YES. PERFORMED WEATHER RADAR (WXR) SYSTEM OPERATIONAL TEST IAW B737-800 AMM 34-43-00-710-002-001,Dec 8, 2022 · N508AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2022113040987Circuit Breaker · trippedDURING THE AFTER START CHECK LIST, THE #1 ENGINE COWL VALVE OPEN LIGHT FAILED TO ILLUMINATED WHEN COWL A/I SELECTED ON. THE ENGINE #1 ENGINE & WING CONTROL CIRCUIT BREAKER WAS FOUND TRIPPED. GROUNDED - YES. VERIFIED FAULT, OPEN P18-3 AND ACCOMP GVI OF C/B (C14Nov 30, 2022 · N508AS · Boeing 737890 · Central WarningSDR ASAA2022111740843Modulating Valve · faultyAFTER START ZONE TEMP CONT CAB LIGHT ILLUMINATED. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED THE CONTROL CABIN TAV V143 REF B737-800 AMM 21-61-21, PERFORMED REPAIR CONFIRMATION OPS CHECK SUCCESSFUL, ETOPS SUCCESSFUL GROUND VERIFNov 17, 2022 · N508AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022110340631Modulating Valve · faulted#1 PACK LIGHT ON RECALL. GROUNDED - YES. REMOVED AND REPLACED LEFT-TCV, V139 (TEMPERATURE CONTROL VALVE) REF B737-800 AMM 21-51-10/401.Nov 3, 2022 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022110140557Warning Light · false activationON RECALL LEFT PACK LIGHT ILLUMINATED, EXTINGUISHES WHEN RESET. GROUNDED - YES. PERFORMED BITE CHECK ON #1 AND #2 TEMP CONTROL BOXES REF B737-800 FIM 21-62 TASK 801, FLIGHT DECK LIGHT ILLUMINATED ON #2 TRIM VALVE. RAN BOTH PACKS FOR APPROX 25 MINUTES THEN PERFNov 1, 2022 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022102740527Fmc · malfunctionedLEFT FMC FAIL SELECTED BOTH ON R, L FMC DID NOT COME BACK.(FMC MSG W/ VTK AND MAP ON CAPT NAV DISPLAY, NO FMC DATE ON BOTH CDU'S). OCCURRED AT CRUISE ALT FL360 2 HRS INTO FLIGHT. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 36. OPS CHECK GOOD AT THIS TIMEOct 27, 2022 · N508AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022102740518Warning Light · false activationLT PACK LT ILLUMINATES ON MC RECALL AND RESET WITH MC RESET. GROUNDED - YES. ACCOMPLISHED PACK TEMP CTL BITE REF B737-800 FIM 21-62 TASK 801. LEFT TCV FAULT CLEARED. OPERATED PACKS, NO FAULTS, PACK LIGHT REMAINS OFF.Oct 27, 2022 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022101340319Pump · reads lowIN CRUISE AT FL360, WITH 6000LBS FUEL IN CENTER TANK, RIGHT CENTER TANK FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. COMPLETED FUEL PUMP LOW PRESSURE QRH. GROUNDED - YES. PREFORMED OPS CHECK PER B737-800 AMM 28-22-41 ON THE RIGHT CENTER TANK, OPS CHECK GOOD AT THOct 13, 2022 · N508AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2022101340274Gauge · inoperativeFUELER REPORTS #2 FUEL GAGE INOP @ FUELING PANEL. GROUNDED - YES. REMOVED & REPLACED #2 FUEL GAUGE PER B737-800 AMM 28-41-61.Oct 13, 2022 · N508AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022101040228Pump · warning lightDURING CLIMB, #2 FORWARD FUEL PUMP LIGHT ILLUMINATED, PER QRH, FORWARD PUMP SELECTED OFF. LEVELING IN CRUISE, #2 FORWARD PUMP SELECTED ON WITH NORMAL OPERATION REMAINDER OF FLIGHT. SIMILAR LOG ENTRY ON PAGE 60395418 (09-26-2022). GROUNDED - YES. REF B737-800 FOct 10, 2022 · N508AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2022100240124Pressure Switch · intermittent#2 TANK FWD BOOST PUMP LOW PRESSURE LIGHT ILLUMINATED INTERMITTENTLY IN FLIGHT. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP LOW PRESSURE SWITCH IAW B737-800 AMM 28-42-11.Oct 2, 2022 · N508AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022081439491Indicator · inoperativeFUELER NOTED #2 FUEL TANK INDICATOR BLANK. GROUNDED - YES. CYCLED FUEL SHUTOFF VALVE SWITCH TO #2 TANK. #2 MAIN QUANTITY RESTORED REF B737-800 AMM 28-41-61.Aug 14, 2022 · N508AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2022080739405Blades · nickedTOO SMALL NICKS IN #1 ENGINE FAN BLADE #18 AND ONE NICK IN FAN BLADE #1. GROUNDED - YES. BOTH #1 ENGINE FAN BLADES HAVE BEEN BLENDED. INSPECTED REF B737-800 M/M 72-21-02-201-801.Aug 7, 2022 · N508AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2022080239311Power Supply · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH M1695 & M1670 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLIES M1695 AND M1670 AND INSTALLATION TEST GOOD IAW B737-800 AMM 33-51-06-960-806.Aug 2, 2022 · N508AS · Boeing 737890 · Emergency LightingSDR ASAA2022071839297Skin · crackedLEFT HORIZONTAL STABILIZER LOWER SKIN CRACKED AT STAB STA 184.70 10 INCHES FROM TRAILING EDGE APPROX 1 INCHE LONG. AREA MARKED ON AIRCRAFT. GROUNDED - YES. REPAIRED L/H HORIZONTAL STAB LOWER SKIN CRACK AT STA 187.70 10 INCHES FROM T/E PER B737-800 SRM 55-10-01Jul 18, 2022 · N508AS · Boeing 737890 · Horizontal Stabilizer StructureSDR ASAA2022071739205Skin · corrodedEXTERIOR FUSELAGE SKIN @ AFT CARGO CUTOUT, LOWER AFT CORNER HAS CORROSION. DOT: N072 TIPR833K. GROUNDED - YES. ON DEFERRAL. [ REMOVED CORROSION IAW B737-800 SRM 51-10-02-ORIG THICKNESS 0.090 REMOVED 0.005 REMAINING MAT 0.085 FOUND TO BE IN LIMITS IAW B737-800 Jul 17, 2022 · N508AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2022062538795Autothrottle Sys · false indicationAUTOTHROTTLE INOP. GROUNDED - YES. AUTOTHROTTLE BITE PER B737-800 FIM 22-31 TASK 801 - BITE SHOWED 22-31687 "ASM-1 RATE MONITOR" FAULT. ACCOMPLISHED T/S FOR FAULT 22-31687 PER FIM 22-32 TASK 819 - INITIAL EVALUATION DID NOT CONFIRM FAULT. PERFORMED AUTOTHROTTLJun 25, 2022 · N508AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2022062238770Processing Unit · faulty"PERF INIT" FUEL NOT AUTO UPDATING. GROUNDED - YES. CONFIRMED FAULT, FMC PERF INIT PAGE SHOWS NO FUEL QTY. TROUBLESHOT REF B737-800 FIM 28-41 TASK 819 TO DEFECTIVE FUEL QUANTITY PROCESSOR UNIT. REPLACED SAME PER B737-800 AMM 28-41-81, OPS CK NML REF AMM 28-41-Jun 22, 2022 · N508AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022061738693Lamp · inoperativeL2 EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED OPS CHECK GOOD.Jun 17, 2022 · N508AS · Boeing 737890 · Emergency LightingSDR ASAA2022060838625Egt Indication · inoperative#1 ENGINE EGT EXCEEDANCE FOUND (REF ASA LOG PAGE# 60463073). #1 EGT INDICATION SYSTEM FAULTY AND PERFORMED EGT CLEANING REF B737-800 AMM 77-21-00-140-801. GROUNDED - YES. NO RECENT OR FAULT HISTORY FAULTS LOGGED ON #1 ENGINE. THIS PLT DEFERRAL CLEARED.Jun 8, 2022 · N508AS · Boeing 737890 · Engine Temperature Indicating SystemSDR ASAA2022060838592Harness · faultyUPON TAXI OUT WITH ABOUT 30% N1, ENGINE #1 OIL FILTER BYPASS LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-800 FIM 79-05 TASK 817. NO FAULT CODE SHOWING. NO DEBRIS ON THE MCD. FILTER BYPASS STATUS INDICATEDS "NO". NO LEAKS ON THE MCD. REF FIM 79-05 TASK 81Jun 8, 2022 · N508AS · Boeing 737890 · Engine Oil Distribution (Airframe Furnished)SDR ASAA2022060838591Transmitter · faultyFOLLOW-UP TO #1 ENG OIL BYPASS LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED SCAVENGE OIL FILTER TRANSMITTER IAW B737-800 AMM 79-21-07-000-801-F00 AND 79-21-07-400-801-F00 AND REMOVED AND REPLACED SCAVENGE OIL FILTER IAW AMM 79-21-06-000-801-F00 AND Jun 8, 2022 · N508AS · Boeing 737890 · Engine Oil Distribution (Airframe Furnished)SDR ASAA2022051038259Transmitter · faultyMAINTENANCE CONTROL REQUESTS REPLACEMENT OF #1 OIL FILTER CLOGGING TRANSMITTER DUE TO PREVIOUS OIL FILTER BYPASS LIGHT ILLUMINATION. GROUNDED - YES. REMOVED AND REPLACED THE #1 OIL FILTER CLOGGING TRANSMITTER. 2 CB'S PULLED AND RESET. IDLE LEAK CHECK AND EEC TMay 10, 2022 · N508AS · Boeing 737890 · Engine Oil Distribution (Airframe Furnished)SDR ASAA2022050838247Switchpack · faultyTAKE OFF WARNING HORN #2 THROTTLE DOES NOT SOUND ABOVE 73 TRA. #1 OPS NML AMM 31-51-00. GROUNDED - YES. DISCONNECTED CONN D11132P, VERIFIED RH AUTOTHROTTLE SWITCHPACK SWITCH S8 PINS 16-17 CLOSES AT 52 DEG TRA AND OPENS AT APPROX 74 DEG TRA. REPLACED RH AUTOTHRMay 8, 2022 · N508AS · Boeing 737890 · Engine ControlsSDR ASAA2022050538209Fuel Filter · faultyON TAXI OUT, #1 OIL FILTER BYPASS LIGHT FLASHED & THEN STAYED STEADY, EXTINGUISHED AFTER 5-10 SEC. 5 MIN LATER IT HAPPENED AGAIN - SAME RESULT - LIGHT EXTINGUISHED. GROUNDED - YES. CHECKED FMC FOR ENG 1 FAULT MSG, NO MSG. REMOVED & REPLACED ENG 1 FUEL FILTER RMay 5, 2022 · N508AS · Boeing 737890 · Engine Fuel Indicating SystemSDR ASAA2022042238113Fire Loop · inoperativeCARGO FIRE LOOP "A" INOP AFT. GROUNDED - YES. PERFORMED CEU BITE REF B737-800 FIM 26-16 TASK 801 FOUND NO ACTIVE FAULTS AT THIS TIME.Apr 22, 2022 · N508AS · Boeing 737890 · Fire DetectionSDR ASAA2022041338022Engine · fireFLAMES/SPARKS WERE OBSERVED FROM BOTH INSIDE & OUTSIDE #1 ENGINE AFTER START WHEN POWERING UP FOR TAXI. GROUND PERSONNEL REPORTED IT TO BE SEVERAL FEET FOR AT LEAST 30 SECS. FIRE/CRASH CHECKED BUT SAW NO INDICATION. NO INDICATIONS FROM ENGINE INSTRUMENTS. GROUApr 13, 2022 · N508AS · Boeing 737890 · Turbine Engine Combustion SectionSDR ASAA2022032737819Indicator · abnormalON APPROACH TO OGG FLAPS SELECTED TO 1 THERE WAS A SPLIT ON THE FLAP INDICATOR. RAN CHECK LIST & LANDED ALL FLAPS UP INTO HNL. GROUNDED - YES. DIVERSION TIME 27 MINUTES. PERFORMED B737-800 FIM TASK 27-51 TASK 801 FSCU BITE NO EXISTING FAULTS FOUND FAULT HISTORMar 27, 2022 · N508AS · Boeing 737890 · Trailing Edge Flap Control SystemSDR ASAA2022030237611Unknown · unknownSATCOM LOCK-UP QRH PROCEDURE ACCOMPLISHED. GROUNDED - YES. IFO NOTED VERIFIED SAT PROMPT ON FMC CDU REF B737-800 FIM 23-15 TASK 801.Mar 2, 2022 · N508AS · Boeing 737890 · HF Communications SystemSDR ASAA2022020237336Sliding Window · faultedR2 WINDOW OVERHEAT LIGHT CAME ON. WE RAN THE QRH AND THE LIGHT EXTINGUISHED. AFTER 10 MIN. IT REILLUMINATED AND THE WINDOW HEAT WAS PLACED IN THE OFF POSITION FOR THE REST OF THE FLIGHT. GROUNDED - YES. PER B737-800 FIM 30-41 TASK 811. WHCU BIT VERIFY PASSES. Feb 2, 2022 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022012737289Unknown · unknownON CLIMBOUT R2 WINDOW OVERHEAT LIGHT ILLUMINATED, RAN QRH AND LIGHT EXTINGUISHED. GROUNDED - YES. PERFOMED WINDOW HEAT CONTROL TEST PER B737-800 AMM TASK 30-41-11-710-801 TEST OK.Jan 27, 2022 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022012437253Unknown · unknownR2 WINDSHIELD OVERHEAT ILLUMINATED ON CLIMBOUT (250 KTS AT 8000 FT). QRH COMPLETE. OVERHEAT LIGHT EXTINGUISHED AND REMAINED EXTINGUISHED REST OF FLIGHT. GROUNDED - YES. TESTED WINDOW HEAT CONTROL UNIT SYSTEM FOR R2 WINDOW REF B737-800 AMM 30-41-11. OPS CHECK GJan 24, 2022 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022012437252Unknown · unknownR2 WINDSHIELD OVERHEAT ILLUMINATED DURING CLIMBOUT AN REMAINED EXTINGUISHED AFTER QRH PROCEDURE. GROUNDED - YES. TESTED WINDOW HEAT CONTROL UNIT SYSTEM FOR R2 WINDOW REF B737-800 AMM 30-41-11. OPS CHECK GOOD.Jan 24, 2022 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2021122737057Apu · inoperativeAPU WOULD NOT START AFTER LANDING. MADE 2 ATTEMPTS. GROUNDED - YES. REF T/C 78349010 FOR APU REMOVAL AND REPLACEMENT. ALL OPS AND LEAK CHECKS GOOD.Dec 27, 2021 · N508AS · Boeing 737890 · APU Core EngineSDR ASAA2021120636840Actuator · faultyRIGHT PACK LIGHT ILLUMINATED IN CRUISE FLIGHT. EXTINGUISHED WHEN MASTER CAUTION WAS PRESSED. MASTER CAUTION RECALL WAS PRESSED FOR DESCENT CHECKLIST. GROUNDED - YES. VERIFIED THAT THE RIGHT PACK LIGHT IS ON IN THE FLIGHT DECK. PERFORMED THE PACK TEMPERATURE CODec 6, 2021 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021120136814Unknown · unknownSINGLE CHANNEL FAULT RIGHT HAND PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED B737-800 FIM 21-53 TASK 821. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. ON #2 PACK TEMP CONTROLLER: RAM AIR ACTUATOR ILLUMINATES. ON VERIFY FAULTDec 1, 2021 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021112936764Unknown · unknownRIGHT HAND PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH RESET OF MASTER CAUTION. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. ON BIT AND PREV FLT, CONTROLLER FAULTED RAM AIR ACTUATOR. PUSHED VERIFY ON CONTROLLER AND FAULNov 29, 2021 · N508AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021112436729Unknown · unknownFMC DISAGREE ON THE GROUND. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. RESTORED NORMAL.Nov 24, 2021 · N508AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021112436712Control Valve · faultyLEFT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHES WHEN MASTER CAUTION RESET PUSHED. GROUNDED - YES. ACCOMPLISHED PZTC BITE PER B737-800 AMM 21-61-00-700-806-002. VERIFIED LH TCV FAULT ACTIVE. REPLACED LH PACK TCV PER B737-800 AMM 21-51-10. OP CHK AND LEAK CHNov 24, 2021 · N508AS · Boeing 737890 · Cabin Cooling System
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