N563AS

Service difficulty reports · 561

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 = 'N563AS' 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 ASAA2023020541818Not Reported · not reportedBOTH RTP PANELS SHOW FAIL FOR HF1. GROUNDED - YES. PERFORMED HF COMMUNICATION SYSTEM BITE PROCEDURES PER B737-800 FIM 23-11 TASK 801, OPS CK GOOD OK FOR SVC.Feb 5, 2023 · N563AS · Boeing 737890 · HF Communications SystemSDR ASAA2023020441858None · noneCONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL AND RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. SYSTEM HAD CONTROL CABIN TRIM MODULATING VALVE FAULT. IT RESET & SYS BITE PASSED BUT THERE IS A PREVIOUS WRITE UP LAST WEEK. SAME FAULT & RESET WITH NO Feb 4, 2023 · N563AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023020341831Not Reported · not reportedDATA LINK SHOWING DATA LINK FAIL. GROUNDED - YES. ACCOMPLISHED FMCS - CPDLC FUNCTIONAL TEST REF B737-800 AMM 34-61-00-720-899 WITH NO FAULTS FOUND. ALL TEST PASS. "DATA LINK READY" SHOWN ON "ATC" PAGE.Feb 3, 2023 · N563AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023012381594Fuel Control · faultedAPU FAILED TO START FL34, APU FAULT LIGHT WITH 1000 EGT SPIKE. GROUNDED - YES. REMOVED AND REPLACED APU FUEL CONTROL UNIT IAW B737-800 AMM 49-31-11.Jan 18, 2023 · N563AS · Boeing 737890 · APU Engine Fuel and ControlSDR ASAA2023011641556Pitot Head · faultedL ELEV PITOT CAUTION ILLUMINATED AFTER #2 ENGINE START. GROUNDED - YES. REPLACED L ELEVATOR PITOT TUBE. OPS NORMAL REF B737-800 AMM 27-31-94. SYSTEM LEAK TEST GOOD REF AMM 27-31-17.Jan 16, 2023 · N563AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2023011851549Circuit Breaker · trippedAFTER LANDING, WHEN PROBE HEAT SWITCH TURNED TO AUTO, LT ELEV PITOT LIGHT ILLUMINATED. GROUNDED - YES. FOUND C/B P18-3 ROW C #4 ELEV PITOT HEAT LEFT TRIPPED. RESET THE C/B IAW AMM 20-60-01-860-801. VERIFIED CORRECT OPERATION IAW FIM 30-31 TASK 805.Jan 15, 2023 · N563AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2023010941468Autothrottle Sys · faultedAUTO THROTTLE WILL NOT ARM. GROUNDED - YES. INITIAL EVALUATION, PERFORMED A/T BITE IAW FIM 22-31 TASK 801. PASSES CURRENT STATUS TEST AND INTERACTIVE SERVO MOTOR AND TORQUE TESTS, NO DEFECTS NOTED. INFLIGHT FAULT REVIEW SHOWS LEGS 6 & 7 HAVE MULTIPLE HITS ALL Jan 9, 2023 · N563AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2023010981453Fan · corrodedENG. #1 S/N # 804749, FAN FRAME @ 12:00 O'CLOCK POSITION ( UNDER NUTPLATE) . PREVIOUS CORROSION BLENDED BEYOND LIMITS. REQUIRES ENGINEERING APPROVAL FOR DISPOSITION. GROUNDED - YES. REMOVED #1 ENGINE S/N # 804749, REPLACED WITH S/N # 890571 REF. ASA T/C # 7847Jan 8, 2023 · N563AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2022120841066Shutoff Valve · failedABORTED ENGINE START ENG #2. MAX MOTORING 22.4% - HUNG START AFTER START LEVER RAISED TO IDLE. COMPLIED WITH ASA QRH. GROUNDED - YES. FOUND #2 ENG PRSOV FAILED. REMOVED AND REPLACED #2 ENG PRSOV REF B737-800 AMM 36-11-04. OPS CK GOOD GROUND VERIFICATION SUCCESDec 8, 2022 · N563AS · Boeing 737890 · Engine Bleed Air SystemSDR ASAA2022120971459Bleed Valve · out of rangeWHILE PERFORMING ASA T/C 78273000 FOUND #1 ENG FAULT 75-10591 THE TBV POSITION SIGNAL IS OUT OF RANGE. LONG TIME FAULT. GROUNDED - YES. TBV RECEPTACLE DP907 OUT-OF LIMITS REF. B737-800 FIM 75-23/802 STEP (4). REMOVED AND REPLACED TRANSIENT BLEED VALVE PER B737Dec 7, 2022 · N563AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2022120741054Modulating Valve · faultedON RECALL ZONE TEMP ILLUMINATES FOR CONT CAB EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMPERATURE CONTROLLER (PZTC) BITE PER B737-800 AMM 21-61-00-700-806-002 RH CONTROLLER FAULTED CONTROL CABIN TRIM VALVE. REMOVED ZONE TRIMDec 7, 2022 · N563AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022111840864Door · out of rigFA REPORTS L1 DOOR VERY DIFFICULT TO CLOSE. GROUNDED - YES. PERFORMED HANDLE TORQUE TEST PER B737-800 AMM 52-11-00. FAILED DOOR HANDLE TORQUE TEST. TORQUE MEASUREMENT IS OUTSIDE SPECIFIED RANGE. ACCOMPLISHED DOOR RIG PER AMM 52-11-00-820-801.Nov 18, 2022 · N563AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2022092740119Actuator · faultyRIGHT PACK LIGHT ILLUMINATES WITH RECALL AND EXTINGUISHES WITH RESET. GROUNDED - YES. REMOVED & REPLACED R/H RAM AIR INLET ACTUATOR REF B737-800 AMM 21-51-21.Sep 27, 2022 · N563AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022092240031Light · inoperativeEMERGENCY LIGHTS ASSOCIATED WITH M1674 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED M1674 IAW B737-800 AMM 33-51-06-960-806. TEST GOOD IAW B737-800 AMM 33-51-06-960-806.Sep 22, 2022 · N563AS · Boeing 737890 · Emergency LightingSDR ASAA2022090639892Floor Panel · noneLAV E FLOOR PANEL D72D41006-111 HAS DAMAGED CORNER.(RELEASED BY ASA FROM QC BOND). GROUNDED - YES. EVALUATED AND REMOVED DAMAGED MATERIALS,POTTED AND REFINISHED REPAIR AREA OF LAV E FLOOR PANEL D72D41006-111 IAW B737-800 SRM 53-00-50-01-1, 53-00-50-1A-1, 53-00Sep 6, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839895Floor Panel · damagedCABIN AFT WET AREA FLOOR PANEL 147A5810-28 HAS CORRODED INSERTS, EDGE DAMAGE & PEELING FIBERS. GROUNDED - YES. REPAIRED DAMAGED INSERTS, EDGE DAMAGE, AND PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Floor PanelSDR ASAA2022082839866Floor Panel · noneCABIN AFT WET AREA FLOOR PANEL 147A5810-27 HAS CORRODED INSERTS & PEELING FIBERS GROUNDED - YES. REPAIRED DAMAGED INSERTS AND PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2022082839813Floor Panel · delaminatedCABIN AFT WET AREA FLOOR PANEL 147A5810-136 HAS CORRODED INSERTS, MISSING INSERTS & PEELING FIBERS. GROUNDED - YES. REPAIRED DAMAGED INSERTS, MISSING INSERTS, AND PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Floor PanelSDR ASAA2022082839812Floor Panel · delaminatedCABIN AFT WET AREA FLOOR PANEL 147A5810-137 HAS CORRODED INSERTS, MISSING INSERTS, PEELING FIBERS & PUNCTURE DAMAGE. GROUNDED - YES. REPAIRED DAMAGED INSERTS AND MISSING INSERTS AND PEELING FIBERS AND PUNCTURE DAMAGE IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Floor PanelSDR ASAA2022082839811Floor Panel · delaminatedCABIN AFT WET AREA FLOOR PANEL 147A5810-123 HAS DAMAGED INSERT & PEELING FIBERS. GROUNDED - YES. REPAIRED DAMAGED INSERTS & PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Floor PanelSDR ASAA2022082839810Floor Panel · delaminatedCABIN AFT WET AREA FLOOR PANEL 147A5810-90 HAS CORRODED INSERTS & PEELING FIBERS (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839809Insert · delaminatedCABIN FWD WET AREA FLOOR PANEL 141A5810-286 HAS CORRODED INSERTS & MISSING INSERTS (PARTS RACK ITEM). GROUNDED - YES. REPAIRED CORRODED & MISSING INSERTS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839808Floor Panel · delaminatedCABIN FWD WET AREA FLOOR PANEL 141A5810-454 HAS CORRODED INSERTS, MISSING INSERTS & PEELING FIBERS (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS, MISSING INSERTS AND PEELING FIBERS IAW B737-800SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839802Floor Panel · noneCABIN FWD WET AREA FLOOR PANEL 141A5810-189 HAS CORRODED INSERTS &PEELING FIBERS (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS AND PEELING FIBERS IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839801Floor Panel · noneCABIN FWD WET AREA FLOOR PANEL 141A5810-236 HAS CORRODED INSERTS, BROKEN EDGE & PEELING FIBERS (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS, BROKEN EDGE, AND PEELING FIBERS IAW B737-800SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839800Floor Panel · noneCABIN FWD WET AREA FLOOR PANEL 141A5810-155 HAS CORRODED INSERTS & AND BROKEN EDGE (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS AND BROKEN EDGE IAW B737-800 SRM 53-00-50-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082839799Floor Panel · noneCABIN FWD WET AREA FLOOR PANEL 141A5810-175 HAS CORRODED INSERTS & BROKEN EDGE (PARTS RACK ITEM). GROUNDED - YES. REPAIRED DAMAGED INSERTS AND BROKEN EDGE IAW B737-800 SRM 53-00-2R-0.Aug 28, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082639893Web · noneFWD CARGO LOWER THRESHHOLD HAS CORR. GROUNDED - YES. REMOVED CORR. FROM FWD CARGO LWER THRESHOLD WEB ORIG THICKNESS .045 IAW B737-800 SRM 53-30-15.MAT. LOSSED .009REMAINING THICKNESS .036FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-30-15TOOL#T8224M DUE DATE 1Aug 26, 2022 · N563AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2022082639807Web · corrodedAFT CARGO THRESHOLD HAS CORR MARKED IN RED. GROUNDED - YES. REMOVED DAMAGE FROM THE AFT CARGO THRESHOLD WEB IAW B737-800 SRM 53-60-15-1A-1.2.D ORIG THICKNESS IS .045 IAW B737-800 SRM 53-60-15-0I-1TABLE 3REMOVED .007REMAINING THICKNESS IS .038 AND IS FOUND TO BAug 26, 2022 · N563AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2022082539935Unknown · corrodedMAIN CABIN AFT FLOOR STRUCTURE WET AREA, FLOOR BEAM FLANGE SURFACE CORROSION NOTED. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS 0.150. REMOVED 0.020,REMAINING THICKNESS 0.130. FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. T8224K CAL DUE 1Aug 25, 2022 · N563AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2022082140022Power Supply · inoperativeEMERGENCY LIGHT SYSTEM BATTERY PACK FAILED CAPACITY CHECK FOR AFT GALLEY AND AFT CABIN LH BIN LIGHTS. GROUNDED - YES. REMOVED AND REPLACED 4 EA POWER SUPPLY/ BATTERY PACKS M1672, M1673, M1676, AND M1694 IAW B737-800 AMM 33-51-06-960-806 EMERGENCY LIGHTS IN AFTAug 21, 2022 · N563AS · Boeing 737890 · Emergency LightingSDR ASAA2022082039571Control Panel · failedWX RADAR RIGHT SIDE THAT CONTROL KNOB HAS BECOME UNCALIBRATED. IN MANUAL MODE, WITH THE KNOB ON THE 15 DEGREES DOWN SETTING, THE FO'S RADAR DISPLAY/ SHOWS 1 DEGREE DOWN. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR CONTROL PANEL IN REFERENCE WITH BOEING Aug 20, 2022 · N563AS · Boeing 737890 · Doppler SystemSDR ASAA2022081939614A/C Pack · false indicationON RECALL AFTER START RIGHT PACK LIGHT ILLUMINATED. GROUNDED - YES. TROUBLESHOT IAW ASA B737-800 FIM 21-53 TASK 821, NO FAULTS NOTED, NO PACK LIGHT ON RECALL.Aug 19, 2022 · N563AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022080139303Fmc · intermittentF/O VTK FLAG "SINGLE FMC OPERATIONS" IN SCRATCHPAD. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 801 AND FOUND (2) INTERMITTENT FAULT FOR FMC TO CDU ON LEG G. DETERMINED TO BE INTERMITTENT PER THE FIM. OK FOR SERVICE. NO HISTORY 90 DAYS.Aug 1, 2022 · N563AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2022071639114Modulating Valve · faultyCONTROL CABIN ZONE TEMP ILLUMINATED DURING MASTER CAUTION RECALL. RESET OK. GROUNDED - YES. PERFORMED BITE CK B737-800 AMM 21-61-00. FOUND TRIM VLV FLT DECK FAULT. RESET REPERFORMED BITE ALL PASS GO GREEN WITH NO FAULTS. NO HISTORY 30 DAYS.Jul 16, 2022 · N563AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022071639092Circuit Breaker · poppedENG # 1 DECLINED START WHEN START LEVER RAISED TO IDLE. GROUNDED - YES. FOUND ENG 1 IGNITION LEFT AND RIGHT C/B'S POPPED. RESET C/B'S AND PERFORMED ENG START.Jul 16, 2022 · N563AS · Boeing 737890 · Ignition Power SupplySDR ASAA2022070738987Access Door · leakingSTEADY FUEL LEAK RIGHT WING FROM ACCESS PANEL OUT BOARD OF #2 ENGINE. GROUNDED - YES. FOUND RUNNING LEAK AT PANEL G32DB. REMOVED AND REPLACED FUEL PANEL G32DB, REF B737-800 AMM 28-11-11.Jul 7, 2022 · N563AS · Boeing 737890 · Fuel StorageSDR ASAA2022062338809Egt Indication · reads highREF TSR712579 ENG # 1 HAD AN EGT EXCEEDANCE ON TAKEOFF PEAK 968 FOR 25 SEC AT AN ALT 5392. GROUNDED - YES. ACCOMP LPT-1 BORESCOPE PER B737-800 AMM 72-00-00-200-808-F00 NO DAMAGE NOTED. ACCOMPLISHED B737-800 FIM TASK 71-06 TASK 805 ENGINE OVERTEMPERATURE EGT OVJun 23, 2022 · N563AS · Boeing 737890 · Engine Temperature Indicating SystemSDR ASAA2022041738034Unknown · unknownA/P B DISCONNECTED W/ NO APPARENT CAUSE. RE-ENGAGED WITH NO FURTHER ISSUE. GROUNDED - YES. FOUND MSG 22-11607 IN FAULT HISTORY. NO CURRENT FAULTS NOTED. "B" AUTOPILOT OPS CHECK GOOD IAW B737-800 FIM 22-11 TASK 817.Apr 17, 2022 · N563AS · Boeing 737 · Autopilot SystemSDR ASAA2022041438015Actuator · seizedRH RAM AIR DOOR ACTUATOR IS SEIZED. GROUNDED - YES. REMOVED AND REPLACED RH RAM AIR DOOR ACTUATOR IAW B737-800 AMM 21-51-21-000-801 AND AMM 21-51-21-400-801. ETOPS GROUND VERIFICATION CHECK GOOD IAW AMM 21-61-00-700-806-002. BOTH PACK/ZONE SYSTEMS FUNCTIONING Apr 14, 2022 · N563AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022022837598Unknown · unknownAUTOPILOT B DISENGAGED TWICE AT 2HRS & 4.5 HRS INTO THE FLIGHT FL 360 & 380 SMOOTH AIR. WE WERE ABLE TO REENGAGE BOTH TIMES. GROUNDED - YES. PERFORMED B737-800 FIM 22-11 TASK 801, NO FAULTS NOTED AT THIS TIME.Feb 28, 2022 · N563AS · Boeing 737890 · Autopilot SystemSDR ASAA2022021237425Coupler · inoperativeUNABLE TO TRANSMIT ON HF 2. GROUNDED - YES. ACCOMPLISHED HF COMMUNICATION SYS BITE PROCEDURE PER B737-800 FIM 23-11 TASK 801 BITE TEST GOOD. FOR T/S SWAPPED TRANSCEIVER #1 TO #2 SLOT B737-800 AMM 23-11-21-400-801. NO HELP. SUGGESTED COUPLER CHANGE. RETURNED HFFeb 12, 2022 · N563AS · Boeing 737890 · HF Communications SystemSDR ASAA2022020637360Unknown · unknownUNABLE TO TRANSMIT ON HF #2. WHEN KEYING THE MIC TO TALK THE SIDE TONE COMES ON AND STAYS ON. IT IS A CONTINUOUS TONE UNTIL THE RADIO IS TUNED TO ANOTHER FREQUENCY. GROUNDED - YES. ACCOMPLISHED OPS CHECK WITH NO FAULTS FOUND REF B737-800 AMM 23-11-00. HF #2 KEFeb 6, 2022 · N563AS · Boeing 737890 · HF Communications SystemSDR ASAA2022012737291Bulb · inoperativeL/H AFT SLIDE/OVERWING LIGHT INOP. GROUNDED - YES. RELAMPED IAW B737-800 AMM 33-51-04-960-801. OPS CHECKS GOOD.Jan 27, 2022 · N563AS · Boeing 737890 · Emergency LightingSDR ASAA2022010937133Unknown · unknownIN RECALL AFTER START, RECEIVED ZONE TEMP ON CONT CABIN. GROUNDED - YES. PERFORMED PTZ BITE PROCEDURES REF B737-800 FIM 21-62 TASK 801, FOUND FLT DECK TRIM VALVE FAULT LOGGED ON PZTC 2. FAULT CLEARED, PACK ZONE TEMP CONTROL GROUND VERIFICATION GOOD.Jan 9, 2022 · N563AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022010437101Exciter · inoperativeNO EGT RISE ON START UP OF #2 ENGINE WHEN START LEVER RAISED TO IDLE. GROUNDED - YES. REMOVED AND REPLACED #2 ENG L IGNITION EXCITER IAW B737-800 AMM 74-11-01 AND REMOVED AND REPLACED #2 ENG L IGNITER IAW AMM 74-21-02 ON ENGINE START NO EGT RISE. REMAINS ON MEJan 4, 2022 · N563AS · Boeing 737890 · Ignition Power SupplySDR ASAA2021122937058Apu · noiseMX PERSONEL REPORTS THAT APU ABNORMALLY NOISY. GROUNDED - YES. REMOVED AND REPLACED THE APU REF TC 78349010. OPS CHECK GOOD. LEAK CHECK GOOD.Dec 29, 2021 · N563AS · Boeing 737890 · APU Bleed Air SystemSDR ASAA2021122837013Bulb · inoperativeEMERGENCY SLIDE LIGHT AFT OF LH WING INOP. GROUNDED - YES. RELAMPED EMERGENCY SLIDE LIGHT AFT OF LH WING REF B737-800 AMM 33-51-04. OPS CHECK GOOD.Dec 28, 2021 · N563AS · Boeing 737890 · Emergency LightingSDR ASAA2021120936871Unknown · unknownDUAL FMC FAILURE NO FMC ON BOTH CDU'S AND NAV DISPLAY VTK AND MAP DISAGREE ON BOTH NAVIGATIONAL DISPLAYS FOR APPROX 3 MINUTES FL350 2 HRS INTO FLT RESOLVED ITSELF W/ OUT ANY INPUT W/IN 3 MINUTES. GROUNDED - YES. ACCOMPLISHED FMC RESET PER B737-800 FIM 34-61 TADec 9, 2021 · N563AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021111736637Valve · faultyCONT CAB TEMP CONTROL (ZONE TEMP) LIGHT ILLUMINATED AFTER PUSHPACK. RAN QRH. LOWERED TEMP PER QRH. LIGHT EXTINGUISHED. GROUNDED - YES. CONTROLLER IN E & E FAULTED WITH CONTROL CABIN TRIM VALVE FAULT. REMOVED AND REPLACED CONTROL CABIN TRIM MODULATING VALVE IAWNov 17, 2021 · N563AS · Boeing 737890 · Cabin Temperature Control System
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