Boeing 737-890

Service difficulty reports · 23,038

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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 aircraft_model_key = '737890'
  ORDER BY difficulty_date DESC"

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SDR ASAA2023082244869Floorbeam · corrodedMAIN CABIN AFT WET AREA STA986.5 FLOOR BEAM AT LBL 43 HAS CORROSION AT FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS 0.150 IAW B737-800 SRM 53-70-51-0I-1.REMAINING THICKNESS 0.085,REMOVED 0.065.OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1Aug 22, 2023 · N538AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2023082244868Floorbeam · corrodedMAIN CABIN AFT WET AREA STA 986.5 FLOOR BEAM AT RBL43 HAS CORROSION AT FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS 0.150 IAW B737-800 SRM 53-70-51-0I-1.REMAINING THICKNESS 0.90.REMOVED 0.060.OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1.Aug 22, 2023 · N538AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2023082146053Unknown · unknownA/C MAIN BATTERIES DISCONNECTED. GROUNDED - YES. ON DEFERRAL.Aug 21, 2023 · N516AS · Boeing 737890 · Battery/Charger SystemSDR ASAA2023082144719Unknown · unknownUPON MC RECALL, LEFT PACK LIGHT. RESETS. GROUNDED - YES. ON DEFERRAL.Aug 21, 2023 · N569AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023082144680Unknown · unknownAFTER TOUCHDOWN AIRCRAFT LISTED TO THE LEFT STOPPED AIRCRAFT AFTER CLEARING RUNWAY. GROUNDED - YES. ON DEFERRAL.Aug 21, 2023 · N516AS · Boeing 737890 · Standard Practices/StructuresSDR ASAA2023082144707Unknown · unknownFMC DATA LINK FAIL. GROUNDED - YES. CYCLED POWER TO FMC 1 + 2 AND ACARS CMU. CPDLC OPERATION RESTORED AND OBSERVED LOG-ON. ACCOMPLISHED ACARS OPERATIONAL TEST AND SOFTWARE CONFIGURATION CHECKS PER AMM 23-27-00 AND 34-61-00. NO HISTORY PAST 30 DAYS. ETOPS GROUNAug 21, 2023 · N589AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023082044710Control Unit · faultyAPU FAILED TO START AT FL370 ON 3 ATTEMPTS DUE TO FAULT LIGHT. NO EGT RISE DURING ATTEMPTS. APU STARTED NORMALLY AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED ELECTRONIC CONTROL UNIT REF AMM 49-61-12. PERFORMED APU BITE TEST REF AMM 49-61-00. NO FAULTS FAug 20, 2023 · N593AS · Boeing 737890 · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2023082044723Indicator · inoperativeWING CENTER TANK INDICATOR INOP. GROUNDED - YES. R&R WING CENTER FUEL INDICATOR REF B737-800 AMM 28-41-61. OPS CHECK GOOD.Aug 20, 2023 · N557AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2023082044709Sensor · faultyON CLIMB OUT GOT "BLEED TRIP OFF" ON #2 SIDE AFTER SELECTING WING-ANTI ICE ON. RAN QRH AND PUSHED TRIP RESET. NO FURTHER ABNORMAL INDICATION. GROUNDED - YES. ACCOMPLISHED FIM 36-10 TASK 801. FOUND NO FAULTS. REF T/C NG-36WC-00001 FOR #2 ENGINE BLEED SYSTEM HEAAug 20, 2023 · N535AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2023082044704Unknown · unknownSPEED TRIM FAIL LIGHT ILLUMINATED DOES NOT EXTINGUISH WITH MASTER CAUTION. GROUNDED - YES. REALIGNMENT FROM FMC CDU AIR DATA INERTIAL REFERENCE SYSTEM AND VERIFIED SPEED TRIM FAI; LIGHT EXTINGUISHED AS PER AMM 34-21-00-820-801 AND FIM 22-11 TASK 849.Aug 20, 2023 · N516AS · Boeing 737890 · Autopilot SystemSDR ASAA2023082044702Unknown · unknownPREFLIGHT FOUND AUTO FLIGHT ILLUMINATED ALTN ALSO ILLUMINATED. GROUNDED - YES. ACCOMP FIM TASK 21-31 #827. PRESS CONT #2 LOGGED FAULT CODE #006 SYSTEM WIRING. FAULT CLEARED AND OPS CKS NML PER SAME. GND VERIFICATION SUCCESSFUL. SEAMC DOUG NOTIFIED.Aug 20, 2023 · N579AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2023081945127Floor Support · corrodedAFT PIT FLOOR SUPPORT STA 787 TO 832 RBL 13.84 IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE AFT PIT FLOOR SUPPORT STA 787 TO 832, RBL 13.84 IAW B737-800 SRM 53-00-53-1A-2.D. ORIG THICKNESS IS .070 IAW B737-800 SRM 53-60-53-01-2 TABLE 2. REMOVED Aug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944981Transition Panel · corrodedAFT PIT L/H TRANSITION PANEL STA 727I+10 TO 835 IS CORRODED GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PANEL STA 727I+10 TO 835 ORIGINAL MAT'L THKS .040 PER BOEING PROFILE DWG BAC 1496-377 RENIVED .007 MAT'L REMAINING .033 FOUND TO BE OUT OF LIMITS IAW AAug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944980Transition Panel · corrodedAFT PIT L/H TRANSITION PANEL STA 727E+18 TO 727I+10 IS CORRODED. GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PNL FROM ST 727E+18 TO 727I+10 ORIGINAL MATERIAL THICKNESS .040 PER BOEING PROFILE DWG BAC 1496-377 REMOVED .018 MATERIAL REMAINING .022 FOUND TO Aug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944884Transition Panel · corrodedAFT PIT L/H TRANSITION PANEL STA 727B+10 TO 727E+18 IS CORRODED GROUNDED - YES. EVALUATED AFT CARGO L/H TRANSITION PANEL FROM STA 727B+10 TO 727E+18. ORIG THICKNESS IS .040 PER BOEING PROFILE DWN BAC1496-377. REMOVED .008. REMAINING .032, FOUND TO BE OUT OF LIAug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944883Transition Panel · corrodedAFT PIT R/H TRANSITION PANEL STA 727E+14 TO 727H+12 IS CORRODEDDOT T222. GROUNDED - YES. EVALUATED AFT CARGO R/H TRANSITION PANEL FROM STA 727E+14 TO 727H+12 ORIG. MAT THKS .040" PER BOEING PROFILE DWG BAC 1496-377, REMOVED .008" MAT'L, REMAINING .032" FOUND TAug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944882Transition Panel · corrodedAFT PIT R/H TRANSITION PANEL STA 737 TO 767 IS CORRODEDDOT J164. GROUNDED - YES. EVALUATED AFT CARGO R/H TRANSITION PANEL FROM STA 737 TO 767. ORIG THICKNESS .040 PER BOEING PROFILE DWG BAC 149-377, REMOVED .006. REMAINING .034, AND IS FOUND TO BE OUT OF LIMITAug 19, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081944685Bleed Valve · failedAFTER TAKEOFF RIGHT DUCT PRESSURE FLUCTUATED BETWEEN 62 AND 67 PSI. DIFFERENTIAL BETWEEN L AND R DUCT PRESSURE > 20 PSI. CLIMBIMG THROUGH 18,000 FEET, BOTH DUCT PRESSURES NORMALIZED. L DUCT STAYED 38-45 PSI. R DUCT WAS ABOVE 60 PSI AT CLIMB PWR FOR ABOUT 5 MINAug 19, 2023 · N529AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2023081944682Unknown · unknownINTERMITTENT FMC FAILURE ON CAPTAINS FMC. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801, LEFT FMC LOGGED PGM FAULT. ACCOMPLISHED FIM 34-61 TASK 807, FAULT NO LONGER PRESENT. SYS OPS CKS NORMAL.Aug 19, 2023 · N519AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023081844867Transition Panel · corrodedFWD PIT R/H TRANSITION PANEL STA 500+12 TO 500F+10 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT R/H TRANSITION PANEL IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG. THICKNESS: .040 IAW B737-800 SRM 53-30-53-IO-2. REMOVED: .006, REMAINING: .034 & IS FOUAug 18, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081844866Transition Panel · corrodedFWD PIT R/H TRANSITION PANEL STA 500H+10 TO 500H+18 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT R/H TRANSITION PANEL IAW B737-800 SRM 53-00-531A-2.2.D. ORIG. THICKNESS: .040 IAW B737-800 SRM 53-30-53-0I-2. REMOVED: .007, REMAINING: .033 & IS FOUAug 18, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081844864Transition Panel · corrodedFWD PIT R/H TRANSITION PANEL STA 500B+10 TO 500C+14 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE ON FWD PIT TRANSITION PANEL @ STA 500B+10 TO 500C+14 IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG. THICKNESS: .040 IAW B737-800 SRM 53-30-53-0I-2. REMOVD: .006, REMAIAug 18, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081844761Transition Panel · corrodedFWD PIT L/H TRANSITION PANEL STA 500B+18 TO 500D+10 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT L/H TRANSITION PANEL @ STA 500B+18 - 500D+10 IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG. THICKNESS: .040 IAW B737-800 SRM 52-30-53-0I-2. REMOVED: .006 Aug 18, 2023 · N538AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023081844686Engine · crackedWHILE ACCOMPLISHING TASKCARD 7842022, (SDI) BORESCOPE INSPECTION OF THE ENGINE HPT BLADES, FOUND ONE LPT HAS 'MULTICRACK ON SAME AIRFOIL, THE CRACKS ARE INTERSECTING". REG ENG CHANGE OF #1 ENG AFTER 25 CYCLES *FIGURE 635, AIRFOIL WITH MISSING MATERIAL OR FULL Aug 18, 2023 · N570AS · Boeing 737890 · Turbine SectionSDR ASAA2023081844695Packing · looseO-RING ON #2 ENGINE OIL CAP EXCESSIVELY LOOSE. GROUNDED - YES. REMOVED AND REPLACED O-RING ON #2 ENGINE OIL CAP PER AMM 79-11-01. OPENING ON FAN COWL NOT REQUIRED.Aug 18, 2023 · N519AS · Boeing 737890 · Engine Oil System (Airframe Furnished)SDR ASAA2023081844687Unknown · unknown3 CSS START ATTEMPTTS @340 ALL RECEIVED FAULT LIGHT THAT EXTINGUISHED WITH QRH. GROUNDED - YES. PERFORMED APU BITE TEST ON GROUND. FOUND FAULT 49-61259 SPEED SENSOR 1.Aug 18, 2023 · N593AS · Boeing 737890 · APU Start/Ignition SystemSDR ASAA2023081844670Controller · faultyFA IS REPORT UNCOMFOTRABLY WARM CABIN WITH LOW GASPER VENT PRESSURE AND AIRFLOW FOR Z HAUL FLIGHT ALL CONTROL CAB KNOBS SET TO FULL COLD. RESULTS WERE SUPPLY DUCT: AFT =14 C, FWD = 15C, CONT=4C;PACK: R = 5C, L = 7C; PASS CAB: FWD =29C , AFT = 30C. GROUNDED - YAug 18, 2023 · N535AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023081744841Skin · crackedL/H HORIZONTAL STABILIZER LOWER SKIN HAS A CRACK INDICATION 1/2" IN LENGTH AT STAB. STATION 101.90. LOCATED 19.50" FROM FRONT SPAR. AS MARKED. GROUNDED - YES. REPAIRED L/H HORIZONTAL STABILIZER LOWER SKIN CRACK BY INSTALLING DOUBLER IAW B737-NG SRM 55-10-01-2RAug 17, 2023 · N523AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2023081744840Skin · crackedR/H HORIZONTAL STABILIZER LOWER SKIN HAS A 2.5" CRACK INDICATION AT THE REAR SPAR LOCATED AT STAB. STA. 95". AS MARKED. GROUNDED - YES. REPAIRED RIGHT HAND HORIZONTAL STABILIZER LOWER SKIN AT REAR SPAR STABILIZER STATION 95". IAW B737-800 SRM 55-10-01 REPAIR 1Aug 17, 2023 · N523AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2023081744696Unknown · unknownSPCU INOP ASSOCIATED WITH ELEC CAUTION LIGHT. GROUNDED - YES. PERFORMED ELEC BIT MESSAGE BIT PER B737-800 FIM 24-34-TASK 801 SPCU MESSAGE APPEAR, ACCOMPLISHED SPCU INOP. FIM 24-34-802, MESSAGE CLEARED & ELEC LT CLEARED.Aug 17, 2023 · N577AS · Boeing 737890 · DC Generating SystemSDR ASAA2023081744677Unknown · unknownAFTER #2 ENGINE START ENG ANNUNCIATED AND EEC SWITCHED TO ALT MODE AND CDS FAULT INDICATION AND NO "B" SYS HYD PRESS INDICATION. GROUNDED - YES. PERFORMED FIM 73-24 TASK 801 FOUND MSG # 73-31442 "DEU2 DATA MISSING" PERFORMED A/C POWERDOWN FOR TROUBLE SHOOTINGRAug 17, 2023 · N579AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023081744673Unknown · unknown#1 ENGINE "B" LOOP FIRE TEST FAULT GROUNDED - YES. ACCOMPLISHED ENGINE/APU FIRE DETECTION CONTROL MODULE BITE REF B737-800 FIM 26-10 TASK 801. FAULT SHOWS DETECTOR WIRING OPEN. FOUND BROKEN TERMINAL LUG ON THE UPPER FAN DETECTOR ASSY. RETERMINATED REF B737 SWPAug 17, 2023 · N581AS · Boeing 737890 · Detection SystemSDR ASAA2023081744652Controller · failedBOTH LEFT AND RIGHT PACK LIGHTS AND ZONE TEMP LIGHTS CAME ON DURING CRUISE AT 38000 FEET . MASTER CAUTION PUSH TO RESET EXTINGUISHED LIGHTS , NO OTHER INDICATION. GROUNDED - YES. PERFORMED B737-800 FIM 21-53 TASK 820 AND FIM TASK 21-62 TASK 801, FOUND ZONE TEMAug 17, 2023 · N558AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023081744657Unknown · unknownWHEN POWER TRANSFERED FROM GROUND POWER TO APU CAPTAINS FMC BLANKS FOR 5 SECONDS. GROUNDED - YES. PERFORMED FIM 34-61 ASK 804, FMCS BITE PER FIM 34-61 TASK 801, NO FAULTS. RAN APU, CYCLED BETWEEN GND/APU BUSSES 6X. NO DISCREPANCIES NOTED.Aug 17, 2023 · N597AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023081744651Filter · unknownDURING GROUND OPS- AFT FA REPORTS WARM CABIN. AFTER DISCUSSION IT WAS DECIDEDTO TAKEOFF. AFTER TAKEOFF AND CLIMB WE (FLT CREW) WORKED WITH AC PACKS. @FL180 THE FOLLOWING NUMBERS WERE NOTED: R-26/ L-43. CABIN AND CONTROL CABIN TEMP SELECTORS IN FULL COLD FOR 1 Aug 17, 2023 · N535AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023081744647Battery · inoperativeRH AND LH AFT EXTERIOR OVERWING EMERGENCY EXIT LIGHTS DO NOT COME ON. GROUNDED - YES. REMOVED, REPLACED AND OP TEST ARE GOOD OF R/H AND L/H EXTERIOR OVERWING EMERGENCY EXIT LIGHTS IAW B737-900 AMM 33-51-06-960-805.Aug 17, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023081744646Battery · inoperativeRH AND LH AFT EXTERIOR OVERWING EMERGENCY EXIT LIGHTS DO NOT COME ON. GROUNDED - YES. REMOVED, REPLACED AND OP TEST ARE GOOD OF R/H AND L/H EXTERIOR OVERWING EMERGENCY EXIT LIGHTS IAW B737-900 AMM 33-51-06-960-805.Aug 17, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023081644698Battery · failedR1 EMERGENCY EXIT LIGHT NOT WORKING PROPERLY. GROUNDED - YES. REMOVED, REPLACED AND OP CHECK GOOD R1 DOOR BATTERY PACK IAW B737-800 AMM 33-51-06-960-805.Aug 16, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023081644645Battery Pack · inoperativeCENTER ASILE CEILING EMERGENCY LIGHT NO WORKING PROPERLY. GROUNDED - YES. REMOVED AND REPLACED M1694 & M1695 EMERGENCY LIGHTS BATTERY PACKS MIDCABIN OPS CHECKS GOOD IAW B737-800 AMM 33-51-06-960-805 STEP 4.Aug 16, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023081644644Battery Pack · inoperativeCENTER ASILE CEILING EMERGENCY LIGHT NO WORKING PROPERLY. GROUNDED - YES. REMOVED AND REPLACED M1694 & M1695 EMERGENCY LIGHTS BATTERY PACKS MIDCABIN OPS CHECKS GOOD IAW B737-800 AMM 33-51-06-960-805 STEP 4.Aug 16, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023081644629Modulating Valve · faultyLEFT PACK LIGHT ON AFTER MASTER CAUTION RECALL ON DESCENT. QRH COMPLETED. GROUNDED - YES. (RESOLVED ON W/O: 1965708 TASKCARD: N/R-00001 ) INIITIAL EVALUATION, LH PACK LT ILLUMINATED AT OVERHEAD ON MASTER RECALL. PERFOMRED PZTC BITE IAW FIM 21-62 TASK 801, BOTHAug 16, 2023 · N585AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023081544617Unknown · unknownENG 1 SHORT TIME FAULT 73-30311 "THE START SWITCH SIGNAL AND ARINC BUS DATA DISAGREE" FOUND WHILE PERFORMING T/C 78273000. GROUNDED - YES. PERFORMED T/C 78273000, VERIFIED FAULT MSG 73-30311 NOT LOGGED IN THE LAST 10 FLT LEGS ON #1 ENG. REF FIM TASK 73-24 TASKAug 15, 2023 · N518AS · Boeing 737890 · Engine CrankingSDR ASAA2023081544630Control Panel · faultyFIRST OFFICER COURSE SELECT WINDOW SHOWS "UAU". GROUNDED - YES. CURRENT STATUS ALSO SHOWED MCP FAULTS.CYCLED POWER & RESTORED OPERATION.REMOVED & REPLACED MCP DUE TO REPEAT FAILURE.OP CK NORMAL.REF MM 22-11-34/401.NINE TAGS INSTALLED & REMOVED.Aug 15, 2023 · N563AS · Boeing 737890 · Autopilot SystemSDR ASAA2023081544627Unknown · unknownLEFT PACK LIGHT ON WHEN MASTER CAUTION PUSHED, OFF WHEN RESET. GROUNDED - YES. ACCOMLIHSED FIM TASK 21-53 TASK 821. PERFORMED PACK/ZONE TEMP CONTROLLER #1 BITE PER MM 21-30-00-700-806. NO FAULTS NOTED RAN PACKS FOR 10 MINUTES AND REACCOMPLISHED PACK/ZONE TEMP Aug 15, 2023 · N585AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023081544626Duct · damagedLEFT PACK ILLUMINATED ON RECALL. GROUNDED - YES. (RESOLVED ON W/O: 1965863 TASKCARD: N/R-00001 ) REMOVED AND REPLACED DAMAGED FLEXIBLE DUCT ON THE LH MIX MUFF REF AMM 21-51-17.OPS CHECK GOOD AND NO LEAK NOTED. THIS CLEARS MEL. PLACARD REMOVED .SEAMC DAVE NOTIFAug 15, 2023 · N562AS · Boeing 737890 · Air Distribution SystemSDR ASAA2023081544614Unknown · unknownWX RADAR DISPLAYED A 20 DEGREE ARC OF WX RETURN ON THE LEFT SIDE OF THE SCREEN THAT IS NOT THERE. GROUNDED - YES. OPERATIONAL TEST OF WX READAR REF AMM 34-43-00-710-802-001. TEST OK.Aug 15, 2023 · N557AS · Boeing 737890 · Weather Radar SystemSDR ASAA2023081444602Unknown · unknownL PACK CAUTION LIGHT ILLUMINATES WITH RECALL. LIGHT GOES OUT PRESSING MASTER CAUTION. GROUNDED - YES. ON DEFERRAL.Aug 14, 2023 · N535AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023081444620Unknown · unknownFAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL360 584 CPH. GROUNDED - YES. SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. REF ASA MEL49-1B LP 60643261.Aug 14, 2023 · N593AS · Boeing 737890 · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2023081444593Unknown · unknown#1 ENGINE "COWL VALVE OPEN" LIGHT ILLUMINATED BRIGHT BLUE AND AMBER "TAI" ON ENGINE DISPLAY AFTER TURNING ENGINE ANTI-ICE OFF ON APPROACH. GROUNDED - YES. PERFORMED ENGINE COWL ANTI-ICE OPERATIONAL TEST. CYCLED ENGINE ANTI-ICE SEVERAL TIMES WITH NORMAL INDICATAug 14, 2023 · N562AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA2023081344619Unknown · unknownFAULT LIGHT ILLUMINATED DURING APU START ATTEMP AT FL380. SUCCESSFUL CSS ACOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. GROUNDED - YES. ON DEFERRAL.Aug 13, 2023 · N593AS · Boeing 737890 · Airborne Auxiliary Power Unit (APU) System
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