N513AS

Service difficulty reports · 437

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 = 'N513AS' 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 ASAA2026080567823Isolator Mount · crackedR1 DOOR AFT SLIDE ATTACH POINT FOUND WITH DAMAGED MOUNT (ISOLATOR). GROUNDED - YES. REMOVED R1 DOOR SLIDE AFT BACKPLATE, REMOVE AND REPLACED UPPER MOUNT (ISOLATOR), REINSTALLED BACKPLATE AND SLIDE MOUNT BRACKET IAW B737-800 SRM 51-40-02.Aug 5, 2026 · N513AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2025101561636Power Supply · no testWHILE ACCOMPLISHING TC 78233001, BATTERY PACKS FOR BOTH AFT WING DOORS AND AFT FLAP EMERGENCY LIGHTS INOP. EMERGENCY LIGHT FOR R2 DOOR INOP AS WELL. GROUNDED - YES. REPLACED EMERGENCY LT BATTERY & POWER SUPPLY 3 EA, M1670, M1671, M1672. REF AMM 33-51-06. OP CHOct 15, 2025 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2025081760196Cover · missingLOWER "EXIT SALIDA" LIGHT COVER MISSING R-2 DOOR. GROUNDED - YES. REMOVED AND REPLACED LOWER EXIT SIGN LIGHT ASSY AT R2 DOOR REF AMM 33-51-01-960-802. LIGHTS TEST PASS. OPS TEST PASS. OK FOR SERVICE.Aug 17, 2025 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2025081546105Cover · unsecureR2 DOOR EMERGENCY LIGHT FELL OFF. GROUNDED - YES. REINSTALLED R2 DOOR EMERGENCY LIGHT LAMP COVER & AMM 33-51-01.Aug 14, 2025 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2024120754376Seal · dirtyL1 DOOR DIFFICULT TO CLOSE. GROUNDED - YES. INSPECTED AND CLEANED L1 DOOR SEAL REF AMM 52-09-00. PERFORMED OPS CHECK OF L1 DOOR REF AMM 52-11-00. NO FURTHER DEFECTS NOTED.Dec 7, 2024 · N513AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2024091452952Angle · corrodedAFT WET AREA Z ANGLE AT STA 990 LBL 45 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT LIMITS IAW B737-800 SRM 53-70-51-1A-1, REMOVED AND REPLACED Z ANGLE AIW B737-800 SRM 51-40-02-0G-0W= 1" O= .050" R= .027" L= 2" D= .023.Sep 14, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091452951Floor Support · corrodedAFT WET AREA FLOOR SUPPORT AT STA 947-967 HAS CORROSION LBL 40. GROUNDED - YES. REMOVED DAMAGE ON FLOOR SUPPORT ON STA 947-967 LBL 40 MAX MAT LOSS 0.033 FOUND TO BE OUT OF LIMITS. AND REMOVED AND REPLACED FOR NEW PART AIW B737-800 SRM 53-70-51-1A-1, SRM 51-40-Sep 14, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091452943Floorbeam · corrodedFLOOR BEAM AT STA 986 HAS CORROSION FROM LBL 48 TO RBL 48. GROUNDED - YES. REMOVED CORROSION FROM FLOOR BEAM AT STA 986 LBL 48 TO RBL 48 TWO SPORTS ON BEAM WERE FOUND TO BE OUT OF LIMITS AND WERE REPAIRED IAW B737-800 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 1 ASep 14, 2024 · N513AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2024091352947Cargo Track · corrodedAFT PIT R/H SIDE CARGO TRACKHAS CORROSION AT STA 787 TO 847. GROUNDED - YES. REPAIRED ON THE AFT PIT R/H SIDE CARGO TRACK FROM STA 727 TO STA 847 IAW B737-800 SRM 53-00-53-2R-3W= .75" O= .090" R= .073" D= .017".Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage, Seat/Cargo Attach FittingsSDR ASAA2024091352946Web · corrodedAFT PIT SILL WEB HAS CORROSION AT CARGO DOOR. GROUNDED - YES. REMOVED AND RPELACED WITH NEW AFT PIT SILL WEB IAW B737-800 SRM 51-40-02-0G-0W= 3." O= .050" R= .034" L= 1.0" D= .016".Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091352945Transition Panel · corrodedFWD PIT R/H SIDE TRANSITION HAS CORROSION FROM STA 500B TO 500I. GROUNDED - YES. REMOVED AND REPLACED FWD PIT R/H SIDE TRANSITION FROM STA 500B TO 500I IAW B737-800 SRM 51-40-02-0G-0W= 1.2 O= .040 R= .034 L= 6 D= .006.Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091352944Transition Panel · corrodedAFT PIT R/H TRANSITION HAS CORROSION FROM STA 727B TO 767. GROUNDED - YES. REMOVED AND REPLACED TRANSITION PANEL ON AFT CARGO COMPT STA 727 TO 767 IAW B737-800 SRM 52-40-02-0G-0.W= 1.5" O= 0.040" R= 0.034 L= 2" D= 0.006".Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091352942Transition Panel · corrodedAFT PIT TRANSITION L/H SIDE HAS CORROSION FROM STA 727B TO 827. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMIT IAW B737-800 SRM 53-00-53-1A-2, REMOVED AND REPLACED TRANSITION PANELS IAW B737-800 SRM 53-00-53-2R-5W= 1" O= 0.040" R= 0.000 L= 2" D= .040".Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024091352941Strap · corrodedAFT PIT STRAP AT CARGO DOOR HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED AFT PIT STRAP AT CARGO DOOR IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .100" R= 0.076" L= 2" D= .024".Sep 13, 2024 · N513AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2024062950661Fuse · blownWHILE PERFORMING TC#78233008 EMERGENCY LIGHTS OPS CHECK, FOUND LT AFT OVRWG EXIT LIGHT INOP. SUSPECT BATTERY PACK, CHARGER FAULTY. GROUNDED- YES. RELAMPED AFT LT OVRWG EMERGENCY EXIT SIGN IAW AMM 33-51-01-960-801, NO HELP. R & R LT MID CABIN POWER SUPPLY- NOJun 29, 2024 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2024062950660Power Supply · no testWHILE TESTING EMERGENCY LIGHTS, AISLE LIGHTS R/H BS 500C +15 & BS 543 BOTH INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1676 PER AMM 33-51-06, OPS TEST GOOD, AISLE LIGHTS R/H BS 500C +15 AND BS 543 NOW WORKS.Jun 29, 2024 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2024062850662Wire · disconnectedWHILE PERFORMING TC #78233008 EMERGENCY LIGHTS OPS CHECK FOUND RH FWD OVERWING EXIT LIGHT INOP. SUSPECT BATTERY PACK/CHARGER IS FAULTY. GROUNDED - YES. REMOVED AND REPLACED THE RH MID CABIN POWER SUPPLY, OPS CK FAILED. REINSTALLED THE ORIGINAL BATTERY PACK PERJun 28, 2024 · N513AS · Boeing 737890 · Light System WiringSDR ASAA2023110846085Starter · leaking#2 STARTER LEAKING OIL FROM MAGNETIC CHIP DETECTOR PLUG. GROUNDED - YES. REMOVED AND REPLACED ENGINE 2 STARTER REF AMM 80-11-01 OPS AND LEAK CKS GOOD.Nov 8, 2023 · N513AS · Boeing 737890 · Engine StarterSDR ASAA2023102945921Unknown · unknownF.O. DISPLAY SHOWING "MAP" FLAG. GROUNDED - YES. (RESOLVED ON W/O: 1975526 TASKCARD: N/R-00001 ) AFTER RESETTING BOTH FMC'S AND REALIGNING ADIRU'S NORMAL OPS RESTORED.FMC 1 & 2 OP CK NORMAL.REF FIM 34-61 TASKS 801 & 837.CLEARS MEL 34-36J,C/N 29073513.SEAMC DAROct 29, 2023 · N513AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023101545632Unknown · unknownHGS AND AUTOLAND UNSUCCESSFUL RW 16R SEA WITH 5 KTS TAILWIND. AFTER THROTTLES IDLE, AIRCRAFT FLARED, BUT FLOATED UNTIL APPCH WARN ANNUNCIATED, DISCONNECTED AUTOMATION TO LAND AIRCRAFT IN TOUCHBOWN ZONE IN VISUAL CONDITIONS. GROUNDED - YES. ACCOMPLISHED LAND VEOct 15, 2023 · N513AS · Boeing 737890 · Autopilot SystemSDR ASAA2023092845395Unknown · unknownDUAL FMC FAIL IN FLIGHT. MOMENTARY LOSS OF LNAV/VNAV. RECOVERED MOMENTARY SINGLE FMC OPERATION ON THE GROUND. GROUNDED - YES. PERFORMED FMC BIT CK PER B737-800 FIM 34-61 TASK 801 CK PASSED. PERFORMED CPDCL FUNCTION TEST B737-800 AMM 34-61-00. CK OK.Sep 28, 2023 · N513AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023090945022Unknown · unknownON SHUTDOWN ENG #1 EGT BOX SHOWS EXCEEDANCE. GROUNDED - YES. ON DEFERRAL.Sep 9, 2023 · N513AS · Boeing 737890 · Engine (Turbine/Turboprop)SDR ASAA2023090945021Unknown · unknownTECHNICAL SERVICES RECEIVED EXCEEDANCE R06 REPORT POSSIBLE EGT EXCEEDANCE ON TAKEOFF FOR #1 ENGINE. GROUNDED - YES. INTERROGATED FMC CDU AND FOUND SHORT TIME FAULT #75-30401, VSV POSITION SIGNALS DISAGREE 954 DEGREES 0:12.8 PLACED ON PLT FOR 50 FLT HRS, AUTHOSep 9, 2023 · N513AS · Boeing 737890 · Engine Bleed Air SystemSDR ASAA2023090544952Bellcrank · excess playWHILE ACCOMPLISHING T/C 78273000, FOUND SHORT TIME FAULT "75-20401: THE VSV POSITION SIGNALS DISAGREE" ON ENG #1. GROUNDED - YES. (RESOLVED ON W/O: 1968343 TASKCARD: N/R-00002 ) APPLIED ALTERNATE DEACTIVATION PROCEDURES ON #1ENGINE. REF. ASA MTX PROGRAM CH. 5 Sep 5, 2023 · N513AS · Boeing 737890 · Compressor Bleed ControlSDR ASAA2023090544951Bellcrank · excess playWHILE ACCOMPLISHING T/C 78278000, FOUND SHORT TIME FAULT "75-10401: THE VSV POSITION SIGNALS DISAGREE" ON #1 ENG. GROUNDED - YES. (RESOLVED ON W/O: 1968343 TASKCARD: N/R-00002 ) APPLIED ALTERNATE DEACTIVATION PROCEDURES ON #1ENGINE. REF. ASA MTX PROGRAM CH. 5 Sep 5, 2023 · N513AS · Boeing 737890 · Compressor Bleed ControlSDR ASAA2023090444923Unknown · unknownAUTO THROTTLE DISCONNECTED ON DECENT @ 11,000FT WAS UNABLE TO REINGAGE. GROUNDED - YES. ACCOMPLISHED A/T SYSTEM TEST. NO FAULTS FOUND REF AMM 22-31-00. ACCOMPLISHED A/T DFCS BITE TEST 60.04 REF AMM 22-11-00. OK FOR SERVICE.Sep 4, 2023 · N513AS · Boeing 737890 · Auto Flight SystemSDR ASAA2023082944863Unknown · unknownON T/C 78273000 FMC CK, FOUND ENG#1 VSV POSITION SIGNALS DISAGREE. MSG# 75-10401. SHORT TIME FAULT. GROUNDED - YES. INITI AL EVALUATION, PERFORMED EEC BITE IAW AMM 73-21-00-740-801-F00, NO FAULTS LAST 4 LEGS SINCE WRITTEN UP. THERE WERE 3 LEGS, 5,6, 9 THAT HADAug 29, 2023 · N513AS · Boeing 737890 · Engine Fuel and ControlSDR ASAA2023082544775Unknown · unknownON ARRIVAL AUTO THROTTLES TURNED OFF AND COULD NOT BE RE ENGAGED. GROUNDED - YES. ON DEFERRAL.Aug 25, 2023 · N513AS · Boeing 737890 · Auto Flight SystemSDR ASAA2023072444268Outflow Valve · leakingFA'S REPORTED LOUD SQUEALING IN AFT GALLEY DURING CLIMB OUT. LASTED 7 MINUTES. PRESSURIZATION NORMAL. COMMUNICATION NORMAL. GROUNDED - YES. (RESOLVED ON W/O: 1962817 TASKCARD: N/R-00001 ) COULD NOT VERIFY SQUEALING IN AFT GALLEY, OLD STYLE OUTFLOW VALVE P/N 40Jul 24, 2023 · N513AS · Boeing 737890 · Pressure Regulator/Outflow ValveSDR ASAA2023072444231Switch · faultyENG. # 2 FUEL VALVE REMAINS BRIGHT WITH ENG STRT LEVER CLOSED. GROUNDED - YES. (RESOLVED ON W/O: 1962817 TASKCARD: N/R-00002 ) ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE ON #2 ENG REF ASA MNT CHAPTER 5 TABLE 3 ITEM 3,4 AND 7.OPENED FAN COWLS REF AMM 71-11-0Jul 24, 2023 · N513AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023072444210Unknown · unknownWINDOW OVERHEAT AMBER CUATION LIGHT-LEFT-ILLUMINATED. GROUNDED - YES. (RESOLVED ON W/O: 1963085 TASKCARD: N/R-00001 ) ACCOMPLISHED LH SIDE WHCU BITE REF FIM 30-41 TASK 801. FOUND "WINDOW SENSOR" FAULT. MOVED LH SIDE WINDOW PRIMARY SENSOR WIRE TO SPARE SENSOR TJul 24, 2023 · N513AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2023071344030Unknown · unknownENG VALVE CLOSED INDICATOR LIGHTS ON #2, ENG SHOWS VALVE IN UNCOMMANDED POSITION. GROUNDED - YES. C/W FIM TASK 73-06-804 VALVE CLOSE LIGHT OPERATE CORRECTLYSEAMC AUSTIN NOTIFIED.Jul 13, 2023 · N513AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023062143656Unknown · unknownFWD GALLEY EMERGENCY COVER FELL OFF. GROUNDED - YES. RESECURED EMERGENCY EXIT SIGN LENS COVER. EMERGENCY LIGHT OPS CHECK NORMAL. REF AMM 33-51-01.Jun 21, 2023 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2023060743500Antenna · faultyRADAR WAS SHOWING A SPOKE OF WEATHER/. AT 90 DEGREES THAT WAS NOT THERE. THE RADAR WAS ALSO NOT PAINTING KNOWN WEATHER IN AUTO MODE. GROUNDED - YES. REMOVED AND REPLACED WX RADAR ANTENNA DRIVE UNIT REF B737-800 AMM 34-43-11/401. .Jun 7, 2023 · N513AS · Boeing 737890 · Weather Radar SystemSDR ASAA2023060143430Modulating Valve · faultyRH PACK ILLUMINATED ON RECALL. GROUNDED - YES. R/R TRIM MODULATING VALVE IAW B737-800 AMM 21-61-21-000-801 AND 21-61-21-400-801. NO CURRENT FAULTS NO LEAKS FOUND.Jun 1, 2023 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023060143429Modulating Valve · faultyAFTER ENGINE START, ON MASTER CAUTION RECALL RIGHT PACK LIGHT ILLUMINATED, EXTINGUISHES ON RESET. GROUNDED - YES. REMOVED AND REPLACED RH PACK TEMP CONTROL VALVE REF B737-800 AMM 21-51-10-000/400-801. PERFORMED BITE OF #1 & #2 PACK ZONE TEMP CONTROLLERS, NO FAJun 1, 2023 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023051443222Eec · faultyAPU FAULT LIGHT CHRONIC. GROUNDED - YES. REMOVED AND REPLACED APU ECU, VERIFIED S/N AND SOFTWARE REF B737-800 AMM 49-61-12.May 14, 2023 · N513AS · Boeing 737890 · APU ControlsSDR ASAA2023050843193Unknown · unknownAPU FAULT LIGHT CAME ON DURING AFTER START FLOW AFTER BOTH ENG'S RUNNING - FAULT LT EXTINGUISHED AFTER ABOUT 5 MINS. GROUNDED - YES. MAINT MSG 49--61116 FOUND ON CURRENT STATUS. B737-800 FIM 49-60 TASK 802 CARRIED OUT AND FOUND TO BE AN INTERMITTENT FAULT.May 8, 2023 · N513AS · Boeing 737890 · APU ControlsSDR ASAA2023042643024Modulating Valve · faultyRIGHT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. LIGHT GOES OUT ON MASTER CAUTION RESET. GROUNDED - YES. MSG ACTIVE ON RECALL, PZTC-2 SHOWS THIS PACK TCV ON CURRENT BIT REF B737-800 FIM 21-62 TASK 831. REMOVED AND REPLACED R/H TEMP CONTROL VALVE REF B737Apr 26, 2023 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023042342986Unknown · unknownAPU FAULT LIGHT. GROUNDED - YES. PERFORMED B737-800 FIM 49-60 TASK 802 FOUND FAULT CODE 49-61116 ECU INTERNAL FAILURE TO BE INTERMITTENT FAULT NO HISTORY.Apr 23, 2023 · N513AS · Boeing 737890 · APU ControlsSDR ASAA2023041842926Unknown · unknownUPON RECALL RIGHT PACK MASTER CAUTION LIGHT ILLUMINATED, LIGHT EXTINGUISHED WITH RESET. GROUNDED - YES. PERFORMED B737-800 FIM TASK 21-62-801, #2 TEMP CONTLR SHOWS "THIS PACK TCV". PERFORMED FIM 21-62 TASK 831, RESET FAULT AND RE BITE TESTED W/NO FAULT. RAN BOApr 18, 2023 · N513AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023031942446Actuator · faultedLEFT PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES ON RESET. GROUNDED - YES. PERFORMED B737-800 AMM 21-61-00-700-806-002 AND L/H PACK/ZN CON-L RAM AIR ACT FAULT WAS DETECTED. PERFORMED B737-800 FIM 21-62 TASK 837 AND L/H PACK/ZN CON-L RAM AIR ACT FAULT IS Mar 19, 2023 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023031942398Unknown · unknownLEFT PACK LIGHT ON WHEN RECALL PUSHED. GOES OUT WHEN MASTER CAUTION IS RESET. GROUNDED - YES. #1 ZONE TEMP CONT LOGGED RAM AIR ACT FAULT. FAULT CLEARED AND SYS OPS CKS NML PER B737-800 AMM 21-61-00, GND VERIFICATION SUCCESSFUL.Mar 19, 2023 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030142138Switch · faultyAFT LEFT FUEL BOOST PUMP LOW PRESSURE LIGHT DOES NOT ILLUMINATE WITH PUMP SWITCH OFF BULB IS GOOD. GROUNDED - YES. REMOVED & REPLACED AFT LH FUEL BOOST PUMP PRESS SW IAW B737-800 AMM 28-42-11.Mar 1, 2023 · N513AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2023022042024Valve · faulty#2 ENG ANTI-ICE VALVE DISAGREEMENT LIGHT CAME ON DESPITE REPEATED ATTEMPTS AT DIFFERENT POWER SETTINGS. GROUNDED - YES. PERFORMED B737-800 FIM 30-21 TASK 805 FOUND ENG ANTI ICE VALVE TO BE BAD. REMOVED AND REPLACED #2 ENGINE ANTI ICE VALVE REF B737-800 AMM 30-Feb 20, 2023 · N513AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA2023020641845Not Reported · not reportedAFTER ENGINE START AND ESTABLISHING ELECTRICAL POWER THE ELEC LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-800 FIM 24-31 TASK 801, FOUND FAULT AUX BAT CHARGER INOP "I", FAULT CLEARS.Feb 6, 2023 · N513AS · Boeing 737890 · DC Generating SystemSDR ASAA2023012391581Modulating Valve · faultedZONE TEMP CONT CABIN ILLUMINATED AFTER START ON RECALL. GROUNDED - YES. REMOVED AND REPLACED TCV (V143) REF B737-800 AMM 21-61-21. ORIG SUB DATE: 1/23/2023Jan 19, 2023 · N513AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022122951279Actuator · intermittentCONT CAB ZONE TEMP LIGHT ON MASTER CAUTION RECALL. RESETS AFTER PUSHING MASTER CAUTION. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMPERATURE TEST BITE PER AMM 21-61-00-700-806-002 RH CONTROLLER FAULTED FLT DECK TRIM VALVE. REMOVED AND REPLACED CONTROL CABIN TRIMDec 25, 2022 · N513AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022121241133Modulating Valve · faultedLEFT PACK LIGHT ILLUMINATES ON RECALL. PACK LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED & REPLACED TRIM MODULATING VALVE. IAW B737-800 AMM 21-61-21/401. ORIG SUB DATE: 12/16/2022Dec 12, 2022 · N513AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022113041017Shutoff Valve · faulted#2 ENG VALVE CLOSED LIGHT NOT OPERATING CORRECTLY. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE HMU HPSOV SWITCH PER B737-800 AMM 73-21-09-000-801-F00/AMM 73-21-09-400-801-F00. PERFORMED POWERPLANT TEST #12 (ACTUATORS TEST) PER AMM 71-00-00-700-807-F00 AND PNov 30, 2022 · N513AS · Boeing 737890 · Fuel Controlling System
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