N531AS

Service difficulty reports · 380

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 = 'N531AS' 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 ASAA2026072968163Shield · corrodedAFT PIT SHIELD FWD OF DOOR HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED AFT PIT SHIELD FWD OF DOOR, IAW B737-800 SRM 51-40-02-0G-0, STEP: 4.B & 5.B. (W: 1" / O: .050" / R: .040 / L: 2" / D: .010" ).Jul 29, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026072268291Support · corrodedAFT WET AREA FLOOR SUPPORT HAS CORROSION BETWEEN STA 907-927 LBL 20. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR SUPPORT BETWEEN STA 907-927 LBL 20 IAW EA 800-53EA-30625 W= 1.0" O= .076" R= .055" L= 1.0" D= .021.Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026072268290Floor Support · corrodedAFT WET AREA FLOOR SUPPORT HAS CORROSION BETWEEN STA 907-927 LBL 30. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR SUPPORT AT STA 907-927 LBL 30 IAW EA 800-53EA-30625 W= 1.0" O= .076" R= .060" L= 1.0" D= .016.Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026072268161Floor Support · corrodedAFT WET AREA FLOOR SUPPORT STRUCTURE IS CORRODED BETWEEN STA 927-947 LBL 20. GROUNDED - YES. REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT STRUCTURE BETWEET STA 927-947 LBL 20, IAW B737-800 SRM 51-40-02-0G-0, STEPS: 4.B & 7.C. W= 2" O= .084" R= .058" L1" D= Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026072267941Floorbeam · corrodedAFT WET AREA FLOOR BEAM 986 HAS CORROSION AT OTBD MOST HOLES, LT AND SIDE. GROUNDED - YES. REPAIRED AFT WET AREA FLOORBEAM IAW SRM 53-70-51-2R-6. W= 1" O= .150 R= .106 L= 1 1/2" D= .044.Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2026072267940Floorbeam · corrodedAFT WET AREA FLOORBEAM BS 986 HAD CORROSION AT OTBD MOST HOES, RT SIDE. GROUNDED - YES. REPAIRED THE FLOORBEAM IAW SRM 53-70-51-2R-6. W= 1" O= .150 R= .140 L= 1" D= .010.Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2026072267938Floor Support · corrodedAFT WET AREA FLOOR SUPPORT STRUCTURE IS CORRODED BETWEEN BS 947-967 LBL 20. GROUNDED - YES. REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT STRUCTURE BETWEEN BS 947-967 LBL 20 IAW B737-800 SRM 51-40-02-0G-0, STEP 7.B & C. W: 2" / O: .066" /R: .034" /L: 2" /Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026072267936Floor Support · corrodedFWD WET AREA FLOOR SUPPORT HAS CORROSION BETWEEN BS 294-312, BL 0. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT LIMITS, REMOVED AND REPLACED FWD WET AREA FLOOR SUPPORT BETWEEN BS 294-312 BL 0 IAW B737-800 SRM 51-40-02-0G-0 STEP 4. B & 7. W= 2" O=.170" R= .1Jul 22, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026071568167Cargo Track · crackedAFT PIT RT SIDE CARGO TRACK AT 727I AND 727E IS CRACKED. GROUNDED - YES. REPAIRED AFT PIT RT CARGO TRACK AT STA 727E & 727I IAW SRM 53-00-53-2R-3.Jul 15, 2026 · N531AS · Boeing 737890 · Fuselage, Seat/Cargo Attach FittingsSDR ASAA2026071568165Rail · corrodedFWD CARGO AFT RT LOWER BULKHEAD RAIL IS CORRODED. GROUNDED - YES. REMOVED & REPLACED FWD CARGO AFT RT LOWER BULKHEAD RAIL IAW SRM 51-40-02-0G-0 STEP 4.BJul 15, 2026 · N531AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2026071568164Plate · corrodedAFT PIT RT SIDEPLATE IS CORRODED BS 727-767. GROUNDED - YES. REMOVED AND REPLACED AFT PIT RT SIDEPLATE BS 727-767 IAW SRM 53-00-53-2R-5 STEP 4.Jul 15, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026071568162Plate · corrodedAFT PIT LT SIDEPLATE BS 727-784 IS CORRODED. GROUNDED - YES. INSTALLED NEW AFT PIT LT SIDEPLATE BS 727-784 IAW B737-800 SRM 53-00-53-2R-5 STEP 4.Jul 15, 2026 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2026052666346Power Supply · inoperativeWHILE PERFORMING T/C 782330088, FOUND EMRGENCY LIGHTS BATTERY PACK INOP (LH, 9 WINDOWS FWD OF FWD OVERWING EXIT, FOOT PANEL). GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY BATTERY PACK REF AMM 33-51-06, OPS CHECK GOOD 3 EA MIG-51A INSTALLED/REMOVED.May 26, 2026 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2025103162029Lens · missingF/A REPORTS L2 DOOR EXIT SIGN COVER MISSING. GROUNDED - YES. INSTALLED NEW L2 DOOR EXIT SIGN COVER. REF 33-51-01.Oct 31, 2025 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2025013056069Web · corrodedAFT PIT LOWER DOOR SILL WEB HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED AND REPLACED AFT PIT LOWER DOOR SILL WEB IAW B737-800 SRM 51-40-02-05-0W= 1" O= .050" R= .041 L= 9" D=.009".Jan 30, 2025 · N531AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2025010655130Sign · detachedAFT GALLEY OVERHEAD EMERGENCY EXIT SIGN ASSEMBLY DETATCHED FROM CEILING PANEL. GROUNDED - YES. (RESOLVED ON W/O: 2033960 TASKCARD: N/R-00002 ) AFT GALLEY OVERHEAD EMERGENCY EXIT SIGN LIGHT ASSY REMOVED AND REPLACED OPS CHECK GOOD, REF AMM 33-51-01/ CMM 33-24-0Jan 6, 2025 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2024091953047Skin Lap · corrodedL/H LWR LAP SEAM SEC 48 AT STA 1040 TO STA 1048 HAS SIGNS OF CORROSION GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON SKIN PANEL P/N: 148A3321-13 IAW EA 800-53EA-27653 REV 00Sep 19, 2024 · N531AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2024091953046Skin · corrodedAREA AROUND WATER SERVICE DOOR AT STR 25R TO STR 27R HAS SIGNS OF CORROSION. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON SKIN PANEL P/N 147A3400-4 IAW EA 800-53EA-27659 REV 00Sep 19, 2024 · N531AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2024081651917Light · malfunctionedFLIGHT ATTENDANTS REPORT EMERGENCY EXIT LIGHT SWITCH ON AFT FA PANEL IS GUARDED DOWN BUT THE LIGHT IS ILLUMINATED. NO ACTUAL EMERGENCY LIGHTS ARE LIT AND THE COCKPIT SWITCH IS IN THE GUARDED 'ARMED' POSITION. GROUNDED - YES. CYCLED POWER TO SYSTEM, EMERGENCY LAug 16, 2024 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2024071350994Door · bindingAIRCRAFT RIGHT AFT SERVICE DOOR IS JAMMED. CANNOT BE OPENED FROM INSIDE "OR" FROM THE OUTSIDE. GROUNDED - YES. OPENED & CLOSED R-2 DOOR OPS CK IS GOOD REF AMM 52-41-00.Jul 13, 2024 · N531AS · Boeing 737890 · Service DoorsSDR ASAA2024042849328Battery Pack · dischargedL/H FWD EMERGENCY LIGHT INOP. GROUNDED - YES. REPLACED EMERGENCY LIGHT POWER SUPPLY BATTERY PACK REF BOEING AMM TASK 33-51-06-960-805. ASSY M1675 AND M1694. OP TEST GOOD. NO FURTHER DEFECTS.Apr 28, 2024 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2024020647746Track · lack of lubeFA REPORTS L1 DOOR DIFFICULT TO OPEN AND CLOSE. GROUNDED - YES. LUBRICATED L1 DOOR TRACK AND DOOR HANDLE REF. AMM 52-11-00. OPS CHK NORMAL.Feb 6, 2024 · N531AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2023102345794Unknown · unknownRIGHT FMC WENT BLANK IN FLIGHT. CALL FAIL, MSG, OFFSET AND EXECUTE LIGHT ALL LIT UP. THEN RECEIVED BITE TEST COMPLETE ON SCREEN AND RETURNED FULL OPERATION OF THE RIGHT FMC. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807. NO FAULTS NOTED. NO 30 DAY HISTORY.Oct 23, 2023 · N531AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023092145389Filter · leakingTECH SERVICES FOLLOW UP REQUEST FOR FREQUENT #2 IDG SERVICING(#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1970015 TASKCARD: N/R-00001 ) COULD NOT PERFORM STATIC LEAK CHECK DUE TO THE AMOUNT OF OIL RESIDUE IN MULTIPLE LOCATIONS. CLEANED EXTERNAL PORTION OF Sep 21, 2023 · N531AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2023092145356Idg · leakingTECH SERVICES FOLLOW UP REQUEST FOR FREQUENT #1 IDG SERVICING(#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1970975 TASKCARD: N/R-00001 ) WHILE ACCOMPLISHING TSR715005 FOUND A LARGE AMOUNT OF OIL AROUND THE QUAD RING. REMOVED AND REPLACED #1 ENG IDG REF AMM Sep 21, 2023 · N531AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2023090945050Unknown · unknownCAB ZONE TEMP LIGHT FAULTS DURING RECALL. EXTINGUISHES UPON MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1967571 TASKCARD: N/R-00002 ) ACCOMPLISHED FIM 21-62 TASK 903, 801 & 833. PZTC 2 M1443 HAD "FLT DECK TRIM VALVE" FAULT FOR LAST FLIGHT LEG DURINSep 9, 2023 · N531AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023090945011Unknown · unknownCONT CAB ZONE TEMP LIGHT ON. GROUNDED - YES. APPLIED APU AIR TO SYSTEM AND EXERCISED TRIM AIR VALVE. OPS CK NORMAL PER AMM 21-61-00 NO HISTORY LAST 30 DAYS. SEAMC NOTIFIED.Sep 9, 2023 · N531AS · Boeing 737890 · Air Conditioning SystemSDR ASAA2023083144879Unknown · unknownDURING DRY MOTOR RUN FOUND #2 ENGINE STARTER OIL LEAK AT STARTER CLAMP. GROUNDED - YES. INSPECTED QADTER CLAMPPER AMM 80-11-01NO CRACKS NOTED.FOUND STARTER CLAMP TO BE LOOSE.RE-TORQUE CLAMP PER AMM 80-11-01-400-801-F006.(E)DRY MOTORS AND LEAK CHECK FOUND OKAY.Aug 31, 2023 · N531AS · Boeing 737890 · Engine Starting SystemSDR ASAA2023080944522Bleed Valve · leakingINFLIGHT DUCT PRESSURE DIFFERENTIAL EXCEEDED 20 PSI AT 8000FT LEFT - 40PSI RIGHT - 65PSIAT 17000FT AND APPROX 10 MINS INFLIGHT LEFT - 45PSI RIGHT - 55PSIAT 34000FT AND APRROX 25 MINS - 30 MINS INFLIGHT LEFT - 45PSI RIGHT - 45PSIAT 34000FT AND 3.30 HRS OF FLIGHAug 9, 2023 · N531AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2023080244380Unknown · unknownUNSAT AUTOLAND. APP WARN APPX 50' 34L APPROACH. GROUNDED - YES. FFR SHOWD NO FAULTS LAST FLIGHT, DFCS CHA AND CH B. HGS LOGGED "RALT 1" FAULTS AND "RALT COMP" FAULTS LAST FLIGHT LEG. HGS SYSTEM TEST AND HGS SENSOR DATA TEST FOR RAD ALT NML, REF SMM 34-36-00. LAug 2, 2023 · N531AS · Boeing 737890 · Autopilot SystemSDR ASAA2023072744276Unknown · unknownAPPCH WARN AT 100'AGL.DISCONNECTED A/PAND LANDED.AULTOLAN/HGS.ILS WAS CLEARAPPCH WAR. WIND VAR @3 34L SEA. GROUNDED - YES. T/S AND FOUND ILS ANOMALY LOGGED IN HISTORY. ACCOMPLISHED ALL LIBRARY TESTS DFCS IAW AMM 22-11-00-740-806 & HGS IAW 34-36-00 RTS PASSED. Jul 27, 2023 · N531AS · Boeing 737890 · Autopilot SystemSDR ASAA2023072244153Unknown · unknownON MASTER CAUTION RECALL THE LEFT PACK LIGHT ILLUMINATED AND DISTINGUISHED WHEN MASTER CAUTION PUSH TO RESET WAS PUSHED. GROUNDED - YES. ON DEFERRAL.Jul 22, 2023 · N531AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023072044253Coupling · leakingMAINTENANCE/TECH SERVICES REQUEST: FOLLOW-UP TO #1 ENGINE IDG FREQUENT SERVICING----(#PRI2/ETOPS)-----. GROUNDED - YES. (RESOLVED ON W/O: 1962582 TASKCARD: N/R-00002 ) FOUND #1 ENG. SERVICE FITTING LEAKING. REMOVED AND REPLACED PER. AMM 24-11-00-700-804. LEAK Jul 20, 2023 · N531AS · Boeing 737890 · Standard Practices/StructuresSDR ASAA2023061533562Unknown · unknownAT CRUISE FO HAD VTRK DISPLAYED ON ND DISPLAY AND AUTOPILOT REVERTED TO CWS ROLL MODE. VTRK WENT AWAY AND OPS WENT BACK TO NORMAL. GROUNDED - YES. VERIFIED FMC+DFCS FAULTS FOR FMC DATA INVALID AND PRES POS LAT RATE. NO OTHER OCCURRENCES PREVIOUS FLT LEGS. DFCSJun 13, 2023 · N531AS · Boeing 737890 · Navigation SystemSDR ASAA2023061243578Motor · faulty#2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP IMPELLER IAW B737-800 AMM 28-22-41.Jun 12, 2023 · N531AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023061143545Unknown · unknownWINDOW HEAT OVERHEAT LIGHT ILLUMINATED DURING CLIMB. GROUNDED - YES. LIGHT STAYS EXTINGUISHED AFTER QRH PROCEDURE.Jun 11, 2023 · N531AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2023061143543Unknown · unknownLH PACK LIGHT ON AFTER PUSHING RECALL, GOES OUT AFTER PUSHING MASTER CAUTION. GROUNDED - YES. PERFORMED B737-800 FIM 21-53 TASK 821 FOR LH PACK FOUND "THIS PACK - TCV" FAULT. PERFORMED FIM 21-62 TASK 830 FOR TCV FAULT. NO DEFECTS NOTED AT THIS TIME.Jun 11, 2023 · N531AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023052543382Sensor · faultyL/H DUCT PRESSURE INDICATION READS A MAXIMUM OF 30 PSI AT 80% N1, #1 ENGINE. (FOR REFERENCE #2 ENGINE R/H DUCT PRESSURE 47 PSI AT 80% N1)NOTE: ISOLATION VALVE CLOSED, APU BLEED OFF. L/H DUCT PRESSURE INDICATION DECAYS TO @ 30 PSI WHEN #1 ENGINE N1 SPEED IS 60%May 25, 2023 · N531AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2023052443360Engine · damagedWHILE ACCOMPLISHING ASA SBCFM56-7B-72-1074-1. FOUND ON STAGE 3 SLAB PIN AT THE 9 O'CLOCK POSITION LIBERATED. CAUSING DAMAGE TO THE J-HOOK AND SPOOL. REQUIRES ENGINE CHANGE ON #1 ENG S/N 804245. GROUNDED - YES. REMOVED ENGINE S/N 804245. REFERENCE ASA SHOP W/O May 24, 2023 · N531AS · Boeing 737890 · Engine (Turbine/Turboprop)SDR ASAA2023051043205Motor · faultyON DESCENT PASSING THROUGH FL200 LEFT AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED CONTINUOUSLY. LEFT MAIN TANK CONTAINED APPROX 4.9K LBS OF FUEL. GROUNDED - YES. REMOVED AND REPLACED LEFT AFT FUEL PUMP, OPS CHECK GOOD IAW B737-800 AMM 28-22-41.May 10, 2023 · N531AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023042943040Modulating Valve · faulty"ZONE TEMP" AMBER ANNUNCIATOR ON OVERHEAD PANEL CONT CAB. EXTINGUISHES ON M.C RESET. GROUNDED - YES. R/R ZONE TRIM AIR MODULATING VALVE (V00143) IAW B737-800 AMM 21-61-21-400-801.Apr 29, 2023 · N531AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023041242820Lens · brokenEMERGENCY EXIT LIGHT LENS COVER, FLOOR LEVEL BY L1 DOOR BROKEN. GROUNDED - YES. INSTALLED NEW LENS COVER ON EMERGENCY EXIT LIGHT BY L1 DOOR AT FLOOR LEVEL.Apr 12, 2023 · N531AS · Boeing 737890 · Emergency LightingSDR ASAA2023041042812Unknown · unknownA OVERHEAT/DETECTION FIRE LOOPS DOES NOT WORK. GROUNDED - YES. UNCAPPED /STOWED MW0325 A1 CORE SENSOR WIRE @ M1759 RETERMINATED WIRE REF B737-800 SWPM 20-30-11. MOVED #1 ENG FIRE DETECT SW TO CENTER AND TESTED GOOD REF B737-800 AMM 26-11-00-710-801. (REF ASA LApr 10, 2023 · N531AS · Boeing 737890 · Detection SystemSDR ASAA2023040142679Exciter · inoperativeNO LIGHT OFF DURING #1 ENGINE START ATTEMPT ON RIGHT IGNITION. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE L/H + R/H IGNITER PLUGS W/ NEW. REMOVED AND REPLACED R/H #1 ENGINE IGNITION EXCITER W/ SERVICEABLE. REF B737-800 AMM 74-00-00, 74-11-01, 74-21-02.Apr 1, 2023 · N531AS · Boeing 737890 · Ignition Harness (Distribution)SDR ASAA2023032942629Control Panel · faultyMODE CTRL PANEL GOES DIM AFTER A WHILE HAS HISTORY. RESETS ACCOMPLISHED. GROUNDED - YES. REPLACED MCP REF B737-800 AMM TASK 22-1134-000-801.Mar 29, 2023 · N531AS · Boeing 737890 · Autopilot SystemSDR ASAA2023032242637Diffuser · unknownREF ASA TSR 714008 ON STEP 3, FOUND FAN BYPASS CHECK VALVE WAS MISSING REF B737-800 AMM 21-51-03. ON RH PACK. GROUNDED - YES. REMOVED AND REPLACED PRIMARY HEAT EXCHANGER PLENUM AND DIFFUSER REF B737-800 AMM 21-51-03-400-804, OPS AND LEAK CHECK GOOD.Mar 22, 2023 · N531AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023032142561Unknown · unknownFAULT LIGHT ILLUMINATES AND #1 FIRE HANDLE DOES NOT ILLUMINATED WHEN TESTING FIRE OVERHEAT. GROUNDED - YES. REPAIRED TERMINAL LUG AT #1 ENG #3 DETECTOR REF B737-800 AMM 26-11-02-960-802. FIRE DETECTION/ ETOPS GROUND VERIFICATION PASS.Mar 21, 2023 · N531AS · Boeing 737890 · Detection SystemSDR ASAA2023032042429Unknown · unknownMODE CONTROL DIGITAL BACKLIGHT NOT WORKING AS WELL AS F/O COURSE NOT WORKING. GROUNDED - YES. RESET MCP PER B737-800 AMM 22-11-34. BACKLIGHT BACK TO NORMAL. OPS CHECK OK.Mar 20, 2023 · N531AS · Boeing 737890 · Autopilot SystemSDR ASAA2023031942407Tat Probe · inoperativeTHE "A" SIDE TEMP PROBE AMBER LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. DIVERSION - FOUND TAT PROBE HEAT INOP. REMOVED AND REPLACED TAT PROBE PER B737-800 AMM 34-21-06-000-801 & AMM 34-21-06-400-801. TAT PROBE SYSTEM OP TEST GOOD.Mar 19, 2023 · N531AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2023031842402Unknown · unknownMCP DIMMER INOP. F/O COURSE LOCKED ON 880. A/P P/RST ILLUMINATED BOTH SIDES. GROUNDED - YES. RESET MODE CONTROL PANEL PER B737-800 AMM 22-11-34. MODE CONTROL PANEL OPS CHECK GOOD PER AMM 22-11-34.Mar 18, 2023 · N531AS · Boeing 737890 · Autopilot System
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