N481AS

Service difficulty reports · 217

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 = 'N481AS' 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 ASAA2018100426414Bypass Valve · looseAPU FAULT LIGHT ILLUMINATED. APU SHUTDOWN. GROUNDED - YES. COMPLETED FIM 49-90 TASK 809 THROUGH STEP F(2)(I), FOUND FILTER BYPASS VALVE LOOSE, CAME OUT WITH FILTER ELEMENT. INSTALLED BYPASS VALVE REF CMM 49-90-57 PAGE 733 ITEM (16). RAN APU, LEAK CK GOOD. NO COct 4, 2018 · N481AS · Boeing 737990ER · APU Oil SystemSDR ASAA2018100526371Warning System · false activationPOWER TRANSFER TO AC APU SHUT DOWN, " APU FAULT". GROUNDED - YES. PERFORMED APU BITE; NO CURRENT FAULTS. PERFORMED APU START AND SHUTDOWN; NO FAULTS. INITIAL EVALUATION PERFORMED. REF. FIM 49-90 TASK 809, FIM 44-60 TASK 802, AND FIM 49-10 TASK 801.Oct 4, 2018 · N481AS · Boeing 737990ER · APU Indicating SystemSDR ASAA2018092826318Fmc · malfunctionedLEFT FMC FAILED UNABLE TO RESET PER QRH. GROUNDED - YES. ACCOMPLISHED LEFT FMC BITE WITH NO CURRENT FAULTS REF FIM 34-61-00-810-801 , FAULT HISTORY SHOW LEFT FMC FAIL- PGM FAULT. ALL CHECKS NORMAL REF FIM 34-61 TASK 801.Sep 28, 2018 · N481AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018092426219Receiver · failedAFTER LANDING WHILE TAXIING IN, INTERMITTENT VTK FLAG ON RT SIDE MFD. GROUNDED - YES. VERIFIED FAULT, RT FMC CYCLES ON & OFF. CYCLED MMR NR 2 C/B AND NOW RT FMC OPS NML. FMC SENSOR PAGE SHOWS MMR NR 2 FAIL. FLT FAULTS "G" CDU-R (ARINC RATE INTERMITTENT) & (CDUSep 20, 2018 · N481AS · Boeing 737990ER · Localizer/VOR SystemSDR ASAA2018090726040Control Valve · stuckNR 2 ENG N1 TARGET DOES NOT CHANGE WITH RT PACK SWITCH POSTION. GROUNDED - YES. FOUND RIGHT PACK FLOW CONTROL AND SHUTOFF VALVE V19 NOT FULLY CLOSED. REMOVED & REPLACED RT FLOW CTRL & SHUTOFF VALVE REF AMM 21-51-01. LEAK & OPS CHECK GOOD. NR 2 ENG N1 TARGET NOSep 5, 2018 · N481AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2018082865938Warning Message · false activationFMC DISAGREE, ACFT GROUNDED. RAN QRH, MESSAGE NO LONGER DISPLAYED.Aug 26, 2018 · N481AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018080645659Indicator · unknownINDICATOR FOR FUEL CENTER TANK FLUCTUATES FROM 0.00 TO 0.09 WHEN EMPTY. ACFT GROUNDED. COMPLIED WITH FIM 28-41, TASK 814 AND 28-41, TASK 801. NO CURRENT FAULTS, NO FAULT HISTORY. PERFORMED FQIS GROUND TEST. TESTED PASSED. FUEL QUANTITY IS CORRECT IN FLIGHT DAug 4, 2018 · N481AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2018071925465Warning System · false activationRIGHT PACK CAUTION LIGHT ILLUMINATED AT GATE. GROUNDED - YES. PER FIM TASK 21-53-00-810-802 ALL FAULTS CLEARED, NO DEFECTS NOTED.Jul 19, 2018 · N481AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2018071525412Warning System · false activationWHILE ACCOMPLISHING T/C 78273000 FOUND ENGINE NR 2 SHORT TIME FAULT 73-30312 THE START SWITCH SIGNAL AND BUS DATA DISAGREE. DEFERRED PER T/C 78273000. GROUNDED - YES. REF TASK FIM 73-24 TASK 813. NR 2 EEC BITE SHOWS NO CURRENT FAULTS, NO FAULTS IN HISTORY. OPSJul 15, 2018 · N481AS · Boeing 737990ER · Engine Fuel Indicating SystemSDR ASAA2018061925132Fmc · malfunctionedDURING CRUISE NUMEROUS FLAGS AND LIGHTS MOMENTARILY ILLUMINATED ON BOTH NAV DISPLAYS AND CDU'S ASSOCIATED WITH FMC FAILURE. THE NR 1 FCC WAS THE MASTER AND THE AUTOPILOT REVERTED TO CWS. THE FMC(S) REGAINED NORMAL OPS TOO SOON FOR US TO ASCERTAIN IF ONE OR BOTJun 19, 2018 · N481AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA201804304422Fire Detector · false indicationAFT CARGO FIRE INDICATION, QRC AND QRH PROCEDURES FOLLOWED TO INCLUDE DISCHARGING AGENT. FIRE INDICATING CONTINUED INTERMITTENTLY FOR THE REMAINDER OF FLIGHT. ACFT GROUNDED. REPLACED THE AFT CARGO FILTER DRYER. AS A PRECAUTION, REPLACED AFT CARGO ELECApr 28, 2018 · N481AS · Boeing 737990ER · Fire DetectionSDR ASAA2018031723931Warning Light · false activationSHORTLY AFTER TAKEOFF APPROACHING 500 FT AGL, A MASTER CAUTION AND FLT CONTROL LIGHTS ILLUMINATED FOR A SPLIT SECOND. BELIEVE THAT THE SPEED TRIM FAIL LIGHT WAS ALSO ILLUMINATED FOR THAT SPLIT SECOND. ACFT GROUNDED. DFCS CHANNEL A & B, NO FAULTS LOGGED. DFMar 17, 2018 · N481AS · Boeing 737990ER · Autopilot SystemSDR ASAA2018022423668Outflow Valve · malfunctionedOUTFLOW VALVE INDICATE 90% OPEN CRUISING AT FL 330. CABIN ALTITUDE 6200 FT DIFFERENTIAL PRESSURE +7.8. ACFT GROUNDED. CYCLED THE SWITCH POWER, NORMAL INDICATION RESTORED.Feb 24, 2018 · N481AS · Boeing 737990ER · Pressure Regulator/Outflow ValveSDR ASAA2018021523589Transceiver · failedHF2 FAIL FLAGS ON COMMUNICATIONS PANEL. ACFT GROUNDED. ACCOMPLISHED FIM 23-11, TASK 801. HF 2 BITE PROCEDURE KEY INTERLOCK LIGHT FAILS BITE TEST. PERFORMED FIM 23-11, TASK 804. REMOVED AND REPLACED HF 2 TRANSCEIVER IAW AMM 23-11-21-000-801, AND 23-11-21-Feb 15, 2018 · N481AS · Boeing 737990ER · HF Communications SystemSDR ASAA2018020323375Warning Light · illuminatedON RECALL BOTH CONT AND ZONE TEMP LIGHTS CAME ON THEY BOTH EXTINGUISHED ON RECALL. ACFT GROUNDED. OPERATED BOTH PACKS FOR OVER AN HOUR PER B737-900 AMM 21-00-00/201. NO DEFECTS NOTED WITH EITHER CONT CABIN OR AFT CABIN ZONES. PRESSURIZED THE AIRCRAFT AND THE Feb 3, 2018 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018020223386Module · faultyON TAXI, AFT CAB ZONE TEMP LIGHT ILLUMINATES, RESETS WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED AIR CONDITIONING MODULE REF AMM 21-51-65. OPS TEST NORMAL PER SAME, NO FAULTS.Feb 2, 2018 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018020223384Warning Light · false activationCRUISE FLIGHT AT FL 340 THE AFT CABIN ZONE TEMP LIGHT CAME ON, TEMP RESPONDS NORMALLY. SUPPLY TEMP IS NORMAL, FOLLOWED THE QRH. LATER IN THE FLT THE ZONE TEMP LIGHT FLICKERED FOR A WHILE AND LATER WENT OUT. GROUNDED - YES. WAS ABLE TO DUPLICATE "FLICKERING" OFFeb 2, 2018 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018020123362Filter · dirtyDURING DESCENT, THE AFT ZONE TEMP LIGHT ILLUMINATED. RAN QRH, LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. FWD CARGO HEAT DUCT OPENED, PACK AIRFLOW SHUTOFF VALVE ACTIVATED AND OPENED IAW AMM 21-00-00. ACCOMPLISHED CABIN TEMP CONTROL AND INDICATION IAW AMFeb 1, 2018 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017123123038Control Valve · malfunctionedAFT ZONE TEMP LIGHT ILLUMINATED WITH PACKS ON. DID NOT OCCUR ON RECALL. COMPLIED WITH QRH, DID NOT RESET. ACFT GROUNDED. AT DISCONNECT D3996 PIN 20, FOUND GROUNDED. REMOVED D646 AT AIR CON PANEL AT P5, NO HELP. REMOVED M1455 AT E4-1, LIGHT EXTINGUISHED Dec 31, 2017 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017123023041Controller · faultedDURING FLIGHT THE AFT CABIN ZONE TEMP AMBER LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE AND THE LIGHT DID NOT EXTINGUISH WHEN MASTER CAUTION WAS RESET. THE DUCT TEMP WAS CONTROLLABLE. ACFT GROUNDED. VERIFIED DEFECT OF THE AFT CABIN ZONE LIGHT REMAINS ILLUMINDec 30, 2017 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017123023035Control Valve · faultedWHILE PERFORMING A PACK ZONE TEMP CONTROL BITE, CONTROLLER FAULTED THE LT TCV. WILL NOT RESET. ACFT GROUNDED. R & R THE LT PACK TEMP CONTROL VALVE IAW AMM 21-51-10. SYS OPS CHECKED NORMAL.Dec 30, 2017 · N481AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017122222990Lamp · failedAFT ENTRY SLIDE LIGHT INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMPED IAW AMM 33-51-04-960-801. CHECKED GOOD.Dec 22, 2017 · N481AS · Boeing 737990ER · Emergency LightingSDR ASAA2017122222971Control Panel · failedPRIOR TO DESCENT PRESSURIZATION PANEL WENT DARK. ACFT GROUNDED. REMOVED AND REPLACED THE CABIN PRESSURE CONTROL MODULE IAW AMM 21-31-02-000-801, AND 21-31-02-400-801. ALL TESTS OK.Dec 22, 2017 · N481AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2017121522921Control Panel · malfunctionedOVERHEAD PRESSURIZATION CONTROL PANEL WILL NOT DIM REMAINS BRIGHT IN DARKENED COCKPIT. ACFT GROUNDED. CYCLED C/B'S REF B737-900 FIM 21-31 TASK 803, SYS OPS CKS NORMAL.Dec 15, 2017 · N481AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2017120922847Handle · looseR1 EXTERIOR DOOR HANDLE CAME LOOSE AFTER TAKEOFF, REMAINED VERTICAL POSITION. GROUNDED - YES. DIVERSION TIME: 20 MINUTES - ACCOMPLISHED GVI TO R1 DOOR FROM OUTSIDE, OPENED AND CLOSED DOOR SEVERAL TIMES NO DEFECT NOTED REF B737-900 AMM 52-11-00-860-801.Dec 9, 2017 · N481AS · Boeing 737990ER · Service DoorsSDR ASAA2017120422775Display · unknownWHITE NUMERICALS ON PRESSURIZATION PANEL DO NOT DIM. GROUNDED - YES. PERFORMED B737-900 AMM 21-31-00 RE STARTED A/C POWER, OPS NORMAL FOUND TO BE AN INTERMITTENT FAULT.Dec 4, 2017 · N481AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2017111222546Circuit Breaker · trippedMCP DC1 CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. INSPECTED THE CIRCUIT BREAKER & PANEL AREA, NO DEFECTS NOTED, RESET THE CIRCUIT BREAKER. ACCOMPLISHED AN MCP REPLACEMENT TEST BITE GRP 32, DFCS CURRENT STATUS, AND LAND VERIFY BITE GRP 49. ALL TESTS PASS, SYS Nov 12, 2017 · N481AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017110122374Manifold · chafedNR 1 ENGINE LPT ACC COOLING AIR MANIFOLD CHAFED. ACFT GROUNDED. REPAIRED IAW AMM 72-54-00-200-801-F00.Nov 1, 2017 · N481AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2017100922153Light · malfunctionedTHERE'S NO CONTROL OF THE LIGHTING ON THE PRESSURE CONTROL PANEL. ACFT GROUNDED. FOUND THE FLT ALT, LAND ALT, AND OUTFLOW VALVE IND STUCK ON MAXIMUM BRIGHTNESS. ADDITIONALLY FOUND THE OUTFLOW VALVE INDICATOR SHOWING CLOSED WITH THE VALVE IN THE OPEN POSITIONOct 9, 2017 · N481AS · Boeing 737990ER · Indicating/Recording SystemSDR ASAA2017100322114Control Panel · failedWEATHER RADAR WILL NOT GO INTO THE TEST MODE ON THE ND FOR EITHER PILOT'S SCREENS. ACFT GROUNDED. REMOVED AND REPLACED THE WEATHER RADAR CONTROL PANEL IAW AMM 34-43-91-000-801, AND 34-43-91-400-801. OPS CHECKED GOOD.Oct 3, 2017 · N481AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2017091521952Drive Unit · failedWEATHER RADAR FAILED INDICATION ON NAVIGATION DISPLAY (AMBER), ACFT GROUNDED. PERFORMED WEATHER RADAR BITE IAW FIM 34-43 TASK 801. WEATHER RADAR FAIL AND ANTENNA SHOWED. REMOVED AND REPLACED THE WEATHER RADAR ANTENNA DRIVE UNIT IAW AMM 34-43-11-000-802 AND Sep 15, 2017 · N481AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2017081221617Warning Light · false activationLEFT FWD WINDOW HEAT OVERHEAT ILLUMINATED AT FL350. QRH PROCEDURE ACCOMPLISHED. LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. FOUND WINDOW HEAT LEFT FRONT CIRCUIT BREAKER TRIPPED ON P6-11 PANEL. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01, PERFORMED WINDOW HEATAug 12, 2017 · N481AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017061321067Hf Comm · malfunctionedHF RADIO 2 SHOWS FAIL IN ACTIVE AND STANDBY DISPLAY. NORMAL FREQUENCY AND DATA INDICATIONS ARE DISPLAYED MOMENTARILY WHEN ADJUSTING SENSITIVITY. THEN REVERT TO FAIL CALIBRATIONS. RADIO FREQUENCIES APPEAR TO OPERATE NORMALLY. ACFT GROUNDED. ACCOMPLISHED A NJun 13, 2017 · N481AS · Boeing 737990ER · HF Communications SystemSDR ASAA2017060120931Transceiver · failedHF 2 SHOWS FAILED ON BOTH ACTIVE AND STANDBY FREQUENCIES. ACFT GROUNDED. ACCOMPLISHED BITE TEST OF NR 2 HF TRANSCEIVER. NO FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL.Jun 1, 2017 · N481AS · Boeing 737990ER · HF Communications SystemSDR ASAA2017043020586Fmc · malfunctionedLEFT FMC DISPLAYED FAILURE MULTIPLE TIMES DURING CRUISE FLIGHT. IT WOULD SELF-RESTORE EACH TIME AFTER ABOUT 30 SECONDS. ACFT GROUNDED. RESET THE NR 1 FMC IAW FIM 34-61, TASK 804. THE NR 1 FMC OPS CHECKED OK IAW FIM 34-61, TASK 804.Apr 30, 2017 · N481AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017033020321Spinner · erodedNR 2 ENGINE FRONT SPINNER CONE APPEARS TO HAVE MORE THAN 50% OF BLACK EROSION COATING MISSING. GROUNDED - YES. REPLACED NR 2 ENGINE FRONT SPINNER CONE, REF AMM 72-21-01-400-801-F00 STEPS 3F(5) - 3G(3).Mar 30, 2017 · N481AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2017033020320Guide Arm · failedL2 DOOR OPENS HARD WITH LOUD CLICKS. GROUNDED - YES. LUBED AFT PASSENGER DOOR IAW AMM TASK 12-25-17-640-801, NO HELP. REMOVED AND REPLACED THE L-2 DOOR GUIDE ARM PER AMM 52-13-21-000-802. OPS CHECK GOOD.Mar 30, 2017 · N481AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2017032820288Control Unit · failedLEFT SIDE WINDOW HEAT OVER HEAT LIGHT ILLUMINATED, RAN CHECKLIST, LIGHT REMAINED OUT. ACFT GROUNDED. BITE CHECK OF LEFT SIDE WINDOW HEAT CONTROL UNIT LOGGED 7 SENSOR FAULTS. MOVED TEMP SENSOR FROM PRIMARY TO SECONDARY IAW FIM 30-41/811. ACCOMPLISHED WHCU SYSMar 28, 2017 · N481AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017031120114Warning Light · false activationCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED WHEN PUSHING RECALL, RESET WITH MASTER CAUTION. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTL BITE TEST IAW AMM 21-61-00, FOUND THE NR 2 CONTROLLER WITH FLT DECK TRIM VALVE FAULT ON PREVIOUS FLT, CONTINUED WITH VEMar 11, 2017 · N481AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017022019878Control Valve · failedON RECALL, RIGHT PACK LIGHT ILLUMINATED, RESET WITH MASTER CAUTION. ACFT GROUNDED. REMOVED AND REPLACED THE RT TEMP CONTROL VALVE IAW AMM 21-51-10. PERFORMED BITE TEST IAW AMM 21-61-00-700-806-002. TEST PASSED.Feb 20, 2017 · N481AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017021419817Light · inoperativeEMERGENCY LIGHT EXIT LOCATOR SIGN AT LEFT FORWARD OVERWING EXIT INOP. GROUNDED - YES. RELAMPED AND TESTED PER AMM 33-51-01-960-801 - OPS NORMAL.Feb 14, 2017 · N481AS · Boeing 737990ER · Emergency LightingSDR ASAA2016122619170Control Module · faultedOUTFLOW POSITION INDICATOR READING CLOSED WITH VALVE FULL OPEN. ACFT GROUNDED. COULD NOT DUPLICATE DISCREPANCY. LED DIGITS ON OVERHEAD PRESSURIZATION PANEL DOES NOT DIM WITH TOGGLE SWITCH IN DIM OTHER LIGHTS IN COCKPIT PROPERLY DIM. REMOVED AND REPLACEDDec 26, 2016 · N481AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2016121519069Shim · wornDURING ACCOMPLISHMENT OF TC 78472002 FOUND ALL 24 SHIMS ON NR 2 ENG WORN. GROUNDED - YES. REPLACED ALL 24 SHIMS ON NR 2 ENG REF TASK CARD 78472002.Dec 15, 2016 · N481AS · Boeing 737990ER · Turbine Engine Compressor SectionSDR ASAA2016121519068Spinner · gougedDURING ACCOMPLISHMENT OF TC 78472002 FOUND NR 2 ENG FWD SPINNER GOUGED. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG FWD SPINNER. REF TASK CARD 78472002.Dec 15, 2016 · N481AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2016121119012Shim · wornREMOVED NR 1 ENGINE SHIMS WORN, REF T/C 78472002. GROUNDED - YES. REPLACED NR 1 ENGINE NEW SHIMS, REF T/C 78472002.Dec 11, 2016 · N481AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2016111818733Control Valve · failedIN FLIGHT, WHILE ACCOMPLISHING THE 'AFTER TAKEOFF' CHECKLIST, THE LEFT PACK LIGHT WAS ILLUMINATED. GROUNDED - YES. PER CREW LEFT PACK TEMP CLIMBED TO 53 DEGREES CELSIUS, THEN LEFT PACK TRIPPED OFF, TRIP RESET NO HELP. ACCOMPLISHED PACK TEMP CONTROL BITE ON BOTNov 18, 2016 · N481AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016103018521Unknown · unknownCAPTAINS ND SHOWED AMBER VTK FOLLOWED BY FMC 1 AND 2 MENU DISPLAYED WITH FMC CHOICE MISSING ALONG WITH ALL FMC DATA. FOLLOWED QRH FOR FMC FAIL THRU STEP 7. BOTH FMC'S RESTORED SPONTANEOUSLY. ND'S CONTINUOUSLY DISPLAYED CORRECT NAVIGATION DATA DURING THE BRIOct 30, 2016 · N481AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016101518365Control Module · failedDIGITAL READ OUT LIGHT FOR OUTFLOW VALVE INOPERATIVE. UNABLE TO READ POSITION OF OUTFLOW VALVE. ACFT GROUNDED. VERIFIED INDICATOR IS INTERMITTENT. REPLACED CABIN PRESSURE CONTROL MODULE. ALL OPS NORMAL, IAW AMM 21-31-02. GROUND VERIFICATION SATISFACTORY.Oct 15, 2016 · N481AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2016081717740Warning Light · false activationDURING PREFLIGHT, FOUND THE ELECTRIC LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED BITE TEST FOR ELEC LIGHT, FOUND SPCU FAULT. INTERMITTENT FAULT. CLEARED FAULT, IAW FIM TASK 24-34 TASK 802 AND 24-31 TASK 801. ALL CIRCUIT BREAKERS RESET, ELEC LIGHT EXTINGUISHAug 17, 2016 · N481AS · Boeing 737990ER · Central WarningSDR ASAA2016072117474Warning Light · false activationBLUE APU LIGHT ON. ACFT GROUNDED. MAINTENANCE MESSAGE 49-91227 INDICATED. ACCOMPLISHED FIM 49-90 TASK 804. NO CURRENT FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL.Jul 21, 2016 · N481AS · Boeing 737990ER · Airborne Auxiliary Power Unit (APU) System
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