N486AS

Service difficulty reports · 205

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 = 'N486AS' 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 ASAA2022070438925Cdu · intermittentFO'S CDU - INTERMITTENT BLANKING. GROUNDED - YES. FO'S CDU WORK NORMAL IAW B737-900 AMM 34-61-00 AND CDU SOFTWARE ALSO CHECKED PER AMM 34-61-00-750-801, THE CDU SHOW CORRECT CONFIGURATION.Jul 4, 2022 · N486AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022051938417Fillercap · damaged#2 ENG OIL FILLER CAP DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG OIL FILLER CAP PER B737-900 AMM 79-11-01.May 19, 2022 · N486AS · Boeing 737990ER · Engine Oil Storage (Airframe Furnished)SDR ASAA2022041337984Washer · wornPER T/C 78472010 #1 ENG FAN BLADE LUBE FRONT SPINNER CONE WASHERS ARE WORN. GROOVES. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FRONT SPINNER CONE WASHERS REF T/C 78472010.Apr 13, 2022 · N486AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022041337983Spacer · debondedPER T/C 78472010 #1 ENG FAN BLADE LUBE SPACERS #2, 3, 10, 11, 13, 14, 17, 18, 19, AND 21 ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SPACERS #2, 3, 10, 11, 13, 14, 17, 18, 19, AND 21 REF T/C 7842010.Apr 13, 2022 · N486AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022041337982Bolt · damagedPER T/C 78472010 #1 ENG FAN BLADE LUBE ALL BOLTS THREADS FRONT SPINNER CONE ARE ROUNDED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FAN BLADE FRONT SPINNER CONE BOLTS REF T/C 78472010.Apr 13, 2022 · N486AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2022031737698Module · faultyFOLLOW-UP TO REPORT OF APU NOT STARTING IN FLIGHT WITH FAULT 49-41010. (#PRI2/ETOPS) ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGMar 17, 2022 · N486AS · Boeing 737990ER · APU Oil SystemSDR ASAA2022031637699Module · failedREF LOG PAGE # 60043791 APU FAIL FIRST START ATTEMPT. GROUNDED - YES. REMOVED AND REPLACED APU LUBE MODULE I.A.W. B737-900 AMM49-91-11. OPS CK AND LEAK CK GOOD. NO DEFECTS NOTED. THIS CLEARS TSR711671.Mar 16, 2022 · N486AS · Boeing 737990ER · APU Oil SystemSDR ASAA2022022637574Connector · damaged#1 ENG BLEED REG VALVE THREADED SELF LOCKING CONNECTOR FOUND DAMAGED. CONNECTOR ID DP1102. GROUNDED - YES. RMVD & RPLCD MW0311 ENGINE WIRING HARNESS REF B737-900 AMM 73-21-06-000-802-F00 AND AMM 73-21-06-400-802-F00. ACCOMPLISHED ALL TESTS PER AMM 73-21-06-400Feb 26, 2022 · N486AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2022021237409Anti-Ice Valve · intermittent#1 COWL ANTI ICE ILLUMINATED IN CRUISE. WENT OUT WHEN ENG SLOWED TO .76M AND BELOW 88% N1. GROUNDED - YES. REMOVED & REPLACED #1 ENG COWL TAI VLV LK & OPS NORMAL REF B737-900 AMM 30-21-11.Feb 12, 2022 · N486AS · Boeing 737990ER · Air Intake Anti/De-Ice SystemSDR ASAA2022012937292Unknown · unknownLEFT FMC FAILURE IN CRUISE JUST PRIOR TOO FAILED FOR APPROX 2 MIN AFTER OPERATION RETURNED. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836 OPS TEST NORMAL.Jan 29, 2022 · N486AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022012837284Unknown · unknownMCP PANEL WAS INOP UPON ARRIVING TO AIRCRAFT. GROUNDED - YES. INIITAL EVALUATION, NO FAULTS ON DFCS BITE FAULT REVIEW IAW B737-900 AMM 22-11-00-740-801. PASSES ALL MCP TESTS. FCC LRU REPLACE TEST, NO FAULTS. PERFORMED ALL LIBRARY TESTS IAW AMM 22-11-00-740-806Jan 28, 2022 · N486AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021122136990Unknown · unknownCONT CAB ZONE TEMP LIGHT ON RECALL. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 801 PACK TEMP CTL BITE TEST. NO FAULTS FOUND. GREEN "GO" LIGHT CAME ON AFTER PUSHING "VERIFY" SWITCH. CONT CAB "ZONE TEMP" LIGHT WENT OFF AND STAYED OFF AFTER RUNNING PACKS.Dec 21, 2021 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021120636829Unknown · unknownSPD AND ALT FLAG ON FO COMPUTER. GROUNDED - YES. RESET FMC COMPUTER PER B737-900 FIM 34-61 TASK 837, SPD AND ALT FLAG DISAPPEARED. BITE TEST OKAY.Dec 6, 2021 · N486AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021113036772Control Panel · inoperative#1 HF/SAT XFER SWITCH WILL NOT TRANSFER. GROUNDED - YES. RMVD & RPLCD HF / SAT TRANSFER PANEL REF MM 23-15-00. OPS NML PER SAME. ETOPS GND VERIFICATION TEST SUCCESSFUL. SEAMC PAT NOTIFIED. 1 EA C/B ON P18-2 OPENED, TAGGED, UNTAGGED, RESET.Nov 30, 2021 · N486AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021110836555Control Valve · failedAFTER START RECALL, LEFT PACK ILLUMINATED, RESETS WITH M.C. RESET. GROUNDED - YES. ACCOMPLISHED BITE CK & FOUND TCV FAILED REMOVED & REPLACED L/H PACK TCV REF B737-900 AMM 21-51-10 OPS & LK CK GOOD. REACCOMP BITE CK NO FAULTS FOUND.Nov 8, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021110836549Control Valve · failedPER THE PREVIOUSLY ISSUED MEL 21-32B THE MASTER CAUTION RECALL CLEARED THE LEST PACK LIGHT. HOWEVER, ON CLIMBOUT THE LEFT PACK ILLUMINATED AGAIN. THE CHECKLIST IN THE QRH CALLED FOR TURNING THE LEFT PACK OFF WITH THE ISOLATION VALVE CLOSED WHEN IT FAILED TO RENov 8, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021110336512Unknown · unknownLEFT PACK LIGHT ON. WILL NOT RESET. GROUNDED - YES. REF B737-900 FIM 21-53 TASK 820 FOUND DUAL CHANNEL FAULT-PZTC 1 TCV, PZTC 2 STBY TCV. REF FIM 21-62 TASK 830 FAULT CLEARS ON VERIFY WITH NO HISTORY 30 DAYS. REF FIM 21-62 TASK 828 CLEARED FAULT AND INSPECTED Nov 3, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021102536427Valve · faultyUNSUCCESSFUL CSS. APU AUTO SHUT DOWN AND FAULT LIGHT DURING START AT FL330. GROUNDED - YES. ACCOMPLISHED TASKS REF B737-900 FIM 49-30 TASK 803 (G) 1 THRU 4. NO DEFECTS NOTED. APU ROTATES FREELY. DUE TO THE NATURE OF THE DISCREPANCY (MULTIPLE FAILED CSS) CW FIMOct 25, 2021 · N486AS · Boeing 737990ER · APU Engine Fuel and ControlSDR ASAA2021102036374Unknown · unknownFWD ZONE TEMP ILLUM ON MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 801, TRIM VALVE AT FAULT. PERFORMED FIM 21-62 TASK 833 BITE INITIAL EVAL GOOD AFTER BITE PERFORMED. NO HISTORY LAST 30 DAYS. OPS NML REF. MM 21-61-00. THIS CLEARS MOct 20, 2021 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021091835990Spacer · damagedINSPECTION FOUND 10 SPACERS DAMAGED WHILE ACCOMPLISHING T/C 78472010 OF #1 ENG. (2,3,5,6,7,8,9,15,21,22). GROUNDED - YES. REMOVED & REPLACED 10 SPACERS ON # 1 ENG (2,3,5,6,7,8,9,15,21,22) REF B737-900 AMM 72-21-02. PER T/C 7842010. NO DEFECTS NOTED.Sep 18, 2021 · N486AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021091735974Unknown · unknownSATCOM LOCK UP ON GRD. GROUNDED - YES. RESET SYSTEM PER QRH. OPS NORMAL.Sep 17, 2021 · N486AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021091035936Control Valve · inoperativeLEFT PACK LIGHT ILLUMINATES ON RECALL. PRIMARY CONTROLLER INOP. GROUNDED - YES. LH PACK TEMPERATURE CONTROL BITE TEST CALLS OUT LH TEMPERATURE CONTROL VALVE. REMOVED AND REPLACED LH TEMPERATURE CONTROL VALVE IAW B737-900 AMM 21-51-10-000-801 AND AMM 21-51-10-4Sep 10, 2021 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021090235838Warning Light · illuminatedLEFT PACK LIGHT ILLUMINATES WITH MASTER CAUTION RECALL, EXTINGUISHES AFTER PRESSING MASTER CAUTION RESET. GROUNDED - YES. REL PER MEL 21-32B LT HAND PACK CONTROL SYS. NR 1 ZTC LOGGED TCV FAULT - BITE TEST GOOD. FAULT RESET. FLT CREW PLACARD REMOVED. SEAMC CHRAug 30, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021082735804Warning Light · false activationL PACK LIGHT ILLUMINATED DURING RECALL BUT EXTINGUISHES WHEN RESETTING MASTER CAUTION SYSTEM. GROUNDED - YES. (RESOLVED ON W/O: 1883367 TASKCARD: N/R-00001 ) VERIFIED DISCREP. ACCOMPLISHED B737-900 FIM 21-62 TASK 801. THIS PACK TCV FAULT SHOWN. PER FORMED FIM Aug 27, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021081535724Wire Harness · faultyLEFT START VALVE OPEN LIGHT ILLUMINATED AFTER START. GROUNDED - YES. (RESOLVED ON W/O: 1877189 TASKCARD: N/R-00002 ) REMOVED AND INSTALLED NEW MW0312 NACELLE WIRING HARNESS ON #1 ENGINE PER B737-900 MM 71-51-03/401, OPS CHECK NORMAL. NO FAULTS FOUND. GROUND VEAug 15, 2021 · N486AS · Boeing 737990ER · Engine Starting System WiringSDR ASAA2021081135682Warning Message · false activation#2 PACK LIGHT ILLUMINATED ON RECALL. RESETS WITH MASTER CAUTION. GROUNDED - YES. PERFORMED PACK ZONE TEMPERATURE CONTROL UNIT (PZTC) BITE #2 PZTC FAULTED RH RAM AIR EXIT ACTUATOR. ACCOMPLISHED B737-900 FIM 21-62 TASK 854 INITIAL EVALUATION AFTER PZTC BITE FAULAug 11, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021081035677Start Valve · inoperativeON ENG #2 ENG START VALVE OPEN LIGHT REMAINED ON. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE START VALVE REF B737-900 AMM 80-11-03. OPS AND LEAK CK GOOD.Aug 10, 2021 · N486AS · Boeing 737990ER · Engine Start Valves/ControlsSDR ASAA2021072835604Start Valve · malfunctionedSTARTING #1 ENGINE AT THE END OF START SEQUENCE ENG 1 START VALVE OPEN LIGHT REMAINED ILLUMINATED - ALL THREE ENG LIGHTS FOR #1 ENG ILLUMINATED THEN FLASHED ON AND OFF - #1 START VALVE OPEN LIGHT STAYED ILLUMINATED REF QRH PROCEDURE - ISOLATION + PAC S/W WERE Jul 28, 2021 · N486AS · Boeing 737990ER · Engine Start Valves/ControlsSDR ASAA2021070235234Warning Message · false activation"CONT CAB" TEMP CONTROLLER ZONE TEMP LIGHT. LIGHT GOES OUT WHEN MASTER CAUTION PUSHED. GROUNDED - YES. PZTC #2 FAULTED FLIGHT DECK TRIM VALE, RESET FAULT & OPS BOTH PACKS FOR 20 MINUTES, RECALL TEST PASSED NO FAULTS NOTED, B737-900 AMM 21-00-00 & AMM 21-51-00-Jul 2, 2021 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021061435095Warning Light · false activationDURING DESCENT LEFT SIDE WWINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED QRH & LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. ACCOMPLISHED WINDOW HEAT SYSTEM OPERATIONAL TEST, OPS NML REF B737-900 AMM 30-41-00-710-801. DUE TO HISTORY SUGGEST SIDE WINDOW CJun 14, 2021 · N486AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021052535028Web · corrodedFWD CARGO PIT, CARGO DOOR THRESHOLD WEB IS CORRODED. GROUNDED - YES. REMOVED CORROSION ON WEB. ORIG THICKNESS .045 PER B737-900ER SRM 53-30-15-OI-1; REMOVED .008 MATERIAL; REMAINING MATERIAL .037 TO BE OUT OF LIMITS PER B737-900ER SRM 53-30-15-1A-1. TOOL #T822May 25, 2021 · N486AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021052534995Floor Panel · delaminatedMAIN CABIN FWD WET AREA FLOOR PANEL 141A5810-766 HAS DAMAGED INSERT (PARTS RACK ITEM). GROUNDED - YES. REPAIRED MAIN CABIN FWD WET AREA FLOOR PANEL 141A5810-766 IAW B737-900ERSRM 53-00-50-2R-1 & 0.May 25, 2021 · N486AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021052534994Floor Panel · delaminatedMAIN CABIN AFT WET AREA FLOOR PANEL 147A5810-447 HAS EDGE DELAMINATIONAND CORRODED INSERTS (PARTS RACK ITEM). GROUNDED - YES. REMOVED AND REPPLACED DAMAGED INSERTS AND REPAIRED DAMAGE ON FLOOR PANEL147A5810-447 IAW B737-900ER SRM 53-00-50-2R.May 25, 2021 · N486AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021052534993Floor Panel · delaminatedMAIN CABIN FWD WET AREA FLOOR PANEL 141A5810-729 HAS PUNCTURE DAMAGE. GROUNDED - YES. REPAIRED MAIN CABIN FWD WET AREA FLOOR PANEL 141A5810-729 IAW B737-900ERSRM:53-0050-2R-2.May 25, 2021 · N486AS · Boeing 737990ER · Fuselage Floor PanelSDR ASAA2021051734844Computer · failedON CLM FO SIDE FD FLAG ILLUMINATED, ON RECALL - MACH TRIM FAIL & SPEED TRIM FAIL ILLUMINATE. GROUNDED - YES. CONFIRMED FCC B FAILED - UNABLE TO ACCESS BITE. R&RD SAME PER B737-900 AMM 22-11-33. ACCOMP LRU REPLACEMENT TEST AND SOFTWARE P/N VERIFICATION, BOTH CKMay 17, 2021 · N486AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021051634827Warning Light · false activationCAPT LEFT SLIDING WINDOW HAD OVERHEAT LIGHT. GROUNDED - YES. LIGHT WENT OUT WHEN TURNED OFF, 5 MIN WAIT, ON- NO LT.May 16, 2021 · N486AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021050934774Controller · faultedON DESCENT AT ABOUT 10,000FT AND 250KTS, THE LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. EXTINGUISHED AS SOON AS WE TURNED THE SWITCH OFF. WINDOW WAS WARM BUT NOT HOT. GROUNDED - YES. OPERATED ALL WINDOW HEAT FOR APPROXIMATELY 25 MINUTES WITH NO DEFECTS NOTEDMay 9, 2021 · N486AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021050734771Warning Light · false activationLEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT AND EXTINGUISHED WHEN SWITCH PLACED TO OFF. GROUNDED - YES. ACCOMP OPS CK OF WINDOW HEAT SYS PER B737-900 AMM 30-41-00, OPS NML, GND VERIFICATION SUCCESSFUL.May 7, 2021 · N486AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021040534511Spacer · debondedPER T/C 78472010 #1 ENG FAN BLADE LUBE #1,10,13, 16,17,19,20 AND 24 SPACERS ELASTOMERS ARE DISBONDED . GROUNDED - YES. REPLACED SPACERS PER TC# 78472010.Apr 5, 2021 · N486AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021030834258Warning Light · false activationRT PACK LIGHT ILLUMINATED DURING CLIMB OUT ABOUT 24K FEET. RAN CHECK LIST LIGHT STAYED ILLUMINATED. RETURNED TO SEATTLE PER DISPATCH. GROUNDED - YES. DIVERSION TIME 35 MINUTES - ACCOMP WIRING CHECKS PER TSR 710605 STEP 1 NO DISCREPANCIES, STEP 2 NO DISCREPANCIMar 8, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021030334223Unknown · unknownON APPROACH DESCENDING THROUGH 7000FT, LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED, RAN CHECKLIST TO TURNING SWITCH OFF. AFTER LANDING COMPLETED CHECKLIST AND OVERHEAT DID NOT RETURN. GROUNDED - YES. VERIFIED WHCU FOR L/H "SIDE WINDOW" OPS TEST OK REF B737-900Mar 1, 2021 · N486AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021022134214Actuator · faultedRIGHT PACK LT ILLUMINATED ON CLIMB OUT, RAN QRH, LT REMAINED ON. GROUNDED - YES. ACCOMPLISHED #2 PZTC BITE AND HAD RAM AIR INLET ACTUATOR HARD FAULT REF B737-900 AMM 21-61-00. REMOVED AND REPLACED R/H RAM AIR INLET ACTUATOR REF AMM 21-51-21-000-801. OPS CHECK Feb 21, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021021834141Control Valve · failedREFERENCE LOG PAGE 60106775 RIGHT PACK LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. REMOVED AND REPLACED RT FLOW CONTROL VALVE REF B737-900 AMM 21-51-01. REMOVED AND REINSTALLED ACM REF 21-51-04 AND MIX MUFF REF AMM 21-51-17 FOR ACCESS TO FLOW CONTROL VALVEFeb 18, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021021734126Modulating Valve · inoperativeON CLIMBOUT RIGHT PACK LIGHT ILLUMINATED, STAYED ON ENTIRE FLIGHT WITH R PACK SWITCH IN OFF. GROUNDED - YES. CONFIRMED FAULT, RT PACK LT ON. R/H PACK/ZONE TEMP CONTROLLER BITE SHOWS HARD FAIL #2 TCV (V141). REMOVED & REPLACED #2 TCV REF B737-900 AMM 21-51-00. Feb 17, 2021 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021020234009Actuator · failedAFTER TAKEOFF RT PACK OVERHEAT AT FL250 SHUT DOWN PACK PER QRH RT PACK TEMP WAS 98 MAX. GROUNDED - YES. REVERSED CONFIG CHANGE BY UNCAPPING 1 EA CONNECTOR AND REINSTALLING, AND RETURNING PACK AIRFLOW SHUTOFF VALVE TO OPEN POSITION REF B737-900 MM 21-00-00-04Feb 2, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021011333875Blades · damagedON PUSH BACK RT PACK LT ILLUMINATED, WOULD NOT RESET WITH MASTER CAUTION OR TRIP BUTTON. GROUNDED-YES. INSPECTED RT PACK EXHAUST PLENUM FAN BYPASS CHECK VALVE, NO DEFECTS NOTED. FOUND ACM BLADES BROKEN AND SHAFT SEIZED, REPLACED THE ACM. LEAK AND OPERATIONJan 13, 2021 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021010933847Actuator · malfunctionedA/P #A DISENGAGES AFTER 5 SECONDS TRIED 3 TIMES. A/P B WORKS OK. GROUNDED - YES. A/P "A" HAS CHAN-A AIL SYNC INV <4 SEC FAULT MSG 22-11189. NO FAULTS ON A/P "B". REPLACED THE "A" AILERON AUTOPILOT ACTUATOR PER B737-900 AMM 22-11-25/401. OP-CHECKS GOOD. DURING Jan 9, 2021 · N486AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020111933571Valve · malfunctionedZONE TEMP CONT CAB ILLUMINATED PRIOR TO TOP OF DESCENT ON RECALL, CLEARED WHEN MASTER CAUTION PRESSED. GROUNDED-YES. PERFORMED PACK TEMP BITE PROCEDURE, PER B737-900 FIM 21-62 TASK 801 AND HAD FLT DECK TRIM VALVE FAULT. PERFORMED FIM 21-62 TASK 833 AND FAULNov 19, 2020 · N486AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020110433491Actuator · faultedCLIMBING THROUGH 18000' GOT MASTER CAUTION AND THE RIGHT PACK LIGHT. RAN THE CHECKLIST AND RIGHT PACK LIGHT WOULD NOT EXTINGUISH, CONTINUED FLIGHT WITH THE LEFT PACK. GROUNDED-YES. LONG HISTORY. ACCOMPLISHED LT AND RT PZTC BITE-NO FAULTS LOGGED, REF B737-9Nov 4, 2020 · N486AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020091553181Acm · failedRIGHT PACK LIGHT ILLUMINATED AT GATE WITH BOTH PACKS ON. GROUNDED-YES. RAN BITE CHECK AND FOUND PACK TCV FAULTED. REMOVED AND REPLACED TEMP CONTROL VALVE, REF B737-900 AMM 21-21-10. OPS CHECK GOOD. CONTINUED RUNNING PACK AND FOUND THE AIR CYCLE MACHINE TOSep 13, 2020 · N486AS · Boeing 737990ER · Cabin Cooling System
Back to N486AS