N461AS

Service difficulty reports · 286

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 = 'N461AS' 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 ASAA2017082822235Skin · dentedFUSELAGE SKIN DENTED AT BS 786 BELOW STRINGER 24R. ACFT GROUNDED. ACCOMPLISHED A DOUBLER REPAIR IAW EA 900ER-53EA-1937.Aug 28, 2017 · N461AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR ASAA2017071021342Sensor · failedLEFT SIDE WINDOW HEAT OVERHEAT ILLUMINATED ON SHORT FINAL. SWITCHED OFF. ACFT GROUNDED. REMOVED AND REPLACED NR 2 LEFT SIDE WINDOW IAW AMM 56-12-11/401. PERFORMED AMM 30-41-11-710-801, WINDOW HEAT CONTROL UNIT SYSTEM TEST OPS NORMAL.Jul 10, 2017 · N461AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017070521300Wire · out of limitsLEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED LEFT SIDE WHCU BITE IAW FIM 30-41, TASK 801. FAULT HISTORY LAST THREE REGISTERS SHOW SENSOR FAULTS. IAW FIM 30-41, TASK 811, & AMM 30-41-11. MEASURED LEFT SIDE TEMP SENSOR FROM Jul 5, 2017 · N461AS · Boeing 737990ER · Ice/Rain Protection System WiringSDR ASAA2017062021147Fmc · failedRIGHT FMC FAILED DURING CRUISE. ACFT GROUNDED. CONFIRMED FAILURE OF RIGHT FMC. REMOVED AND REPLACED THE RT FMC IAW AMM 34-61-02-000-801, AND 34-61-02-400-801. CROSSLOADED REQUIRED SOFTWARE IAW AMM 34-61-00/201. PERFORMED FMCS PERFORMANCE FACTORS ADJUSTMENT Jun 20, 2017 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017052420855Modulating Valve · failedWHILE PERFORMING A PACK, ZONE TEMP CONTROLLER BITE TEST, FOUND THE FLIGHT DECK TAV FAILED ON THE NR 2 CONTROLLER. ACFT GROUNDED. REMOVED AND REPLACED FLIGHT DECK TAV IAW AMM 21-61-21-400-801. OPS AND LEAK CHECKED OK.May 24, 2017 · N461AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017051620800Control Panel · intermittentRADAR WHILE IN AUTO MODE SWITCHES ITSELF TO MANUAL MODE. MANUAL MODE SEEMS TO WORK NORMAL. GROUNDED - YES. SEMI DUPLICATED DISCREPANCY. WHEN IN AUTO AS THE SWITCH WAS PUSHED IN IT WOULD DISPLAY AUTO AND THEN MANUAL FOR ABOUT A SECOND, THEN SHOWED AUTO. LEFT RAMay 16, 2017 · N461AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2017050720667Filter Element · contaminatedWHILE ACCOMPLISHING TASK CARD N8005003 FOUND APU LUBE OIL FILTER "RED" INDICATOR HAS POPPED OUT / EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE OIL FILTER IAW AMM 49-91-12. RESET FILTER HOUSING "RED" INDICATOR, OPS CHECK AND LEAK CHECK GOOD, NO DEFECMay 7, 2017 · N461AS · Boeing 737990ER · APU Oil SystemSDR ASAA2017031920206Wire Harness · damagedNR 2 ENGINE FIRE DETECTOR HARNESS (MW0326) BRAIDED SHIELD DAMAGED. ACFT GROUNDED. REMOVED AND REPLACED WIRE HARNESS IAW AMM 26-10-02. OPS CHECK NORMAL.Mar 19, 2017 · N461AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2017022219909Sensor · failedRIGHT WINDOW OVERHEAT IN FLIGHT. ACFT GROUNDED. REMOVED AND REPLACED R2 WINDOW IAW AMM 56-12-11-400-801. PERFORMED R2 WINDOW ADJUSTMENT IAW AMM 56-12-11-820-801. SENSOR & HEAT FILM RANG LOW AND SPARE RANG OPEN. NEW WINDOW ALL SENSOR & HEAT FILM RANG NORMALFeb 22, 2017 · N461AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017022219908Warning Message · false activationWINDOW HEAT RIGHT SIDE OVERHEAT. RAN QRH DID NOT RESET, SET TO OFF. ACFT GROUNDED. WHCU SHOWS WINDOW SENSOR & P5-9/CTRL FAULTS. ACCOMPLISHED FIM 30-41 813, OPS TESTED GOOD. FAULT DID NOT RETURN. NO FURTHER DEFECTS NOTED.Feb 22, 2017 · N461AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017022119899Flange · looseWHILE ACCOMPLISHING NR 1 ENGINE INLET & FAN BLADE INSPECTION, FOUND TEST PORT FLANGE TO FAN CASE LOOSE BETWEEN FLANGE B6 AND B7, AT 11 O'CLOCK. ACFT GROUNDED. REMOVED, CLEANED, AND REINSTALLED TEST PORT BOSS IAW ENGINE SUPPLEMENTAL MANUAL 72-23-31.Feb 21, 2017 · N461AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2017021319802Hmu · failedNR 1 ENGINE WILL NOT START. NO FUEL FLOW. ACFT GROUNDED. PERFORMED NR 1 ENG SPAR VALVE SHAFT TEST IAW AMM 28-22-00 STEP E. EEC BITE CHECK IAW FIM 73-00 TASK 801 AND ENGINE VALVE CLOSED LIGHT FIM 80-06 TASK 801 AND 73-06 TASK 815. FUEL FLOW CHECKED OK. DISCREFeb 13, 2017 · N461AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2016120518939Control Valve · failedON RECALL CONTROL CABIN LIGHT ILLUMINATED. EXTINGUISHED ON RESET. ACFT GROUNDED. REMOVED AND REPLACED FLIGHT DECK TRIM AIR MODULATING VALVE IAW AMM 21-61-21. PERFORMED BITE CHECK IAW AMM TASK 21-61-00, ALL GREEN, TEST PASSED. NO LEAKS NOTED.Dec 5, 2016 · N461AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2016113018889Warning Light · false activationLEFT PACK LIGHT ILLUMINATED WITH MASTER CAUSTION TEST AND RESETS WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED CTC BITE, SHOWED ONE FAULT, CLEARED FAULT AND RE-RAN CTC BITE TEST AGAIN WITH NO DISCREPANCIES NOTED. PACK LIGHT DOES NOT ILLUMINATE WITH Nov 30, 2016 · N461AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016112819264Actuator · failedFOUND LONG TERM FAULT CODE 75-10392. THE NR 2 ENGINE VSV POSITION SIGNAL IS OUT OF RANGE. ACFT GROUNDED. LONG TERM FAULT 75-10392. THE VSV POSITION SIGNAL IS OUT OF RANGE. ACCOMPLISHED ALTERNATE DEACTIVATION IAW CHAPTER 5 TABLE 3 ITEM 8 FOR LEADING EDGE DEVNov 28, 2016 · N461AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2016102818500Warning Flag · false activationAMBER FD FLAG DISPLAYED ON FIRST OFFICER'S ATTITUDE INDICATOR. ACFT GROUNDED. CYCLED "B FCC DC" CIRCUIT BREAKER, FCC B RECOVERED. PERFORMED DFCS LRU INTERFACE TEST FOR FCC, LAND VERIFY TEST, AND HGS SENSOR TEST FOR FCC/AT, IAW AMM 22-00-01, LWMP CHECKLIST. AOct 28, 2016 · N461AS · Boeing 737990ER · Autopilot SystemSDR ASAA2016102118452Igniter · failedNR 2 ENGINE WOULD NOT START, NO FUEL FLOW. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENG RT IGNITER PLUG IAW AMM 74-21-02 AND RT IGNITION LEAD IAW AMM 74-21-01. IGNITER AND IGNITION LEAD TESTS NORMAL.Oct 21, 2016 · N461AS · Boeing 737990ER · Ignition Harness (Distribution)SDR ASAA2016100418214Valve · faultedDURING TAXI OUT MASTER CAUTION RECALL THE CONT CABIN ZONE TEMP LIGHT ILLUMINATED AND RESET WITH MASTER CAUTION PUSH REST. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE, IAW AMM 21-61-00. FOUND NR 2 CONTROLLER FLT DECK TRIM VALVE FAULT. RESET FAULOct 4, 2016 · N461AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2016091318004Control Panel · malfunctionedRIGHT HALF OF FLIGHT CONTROL PANEL BACKLIGHTING INOPERATIVE. ACFT GROUNDED. VERIFIED THAT RT SIDE OF MCP BACKGROUND LIGHTS ARE INTERMITTENT. REPLACED MCP, OPS NORMAL, REF AMM 22-11-34. ACCOMPLISHED BITE GROUP NR 32 DFCS LRU INTERFACE TEST, MCP AND NR 49 LASep 13, 2016 · N461AS · Boeing 737990ER · Autopilot SystemSDR ASAA2016072917552Autothrottle Sys · malfunctionedDURING TAKEOFF ROLL, AUTOTHROTTLE DID NOT SET THE CORRECT N1 PRESCRIBED BY THE FMC. FMC PRESCRIBED N1 OF 94.8%,AUTOTHROTTLE ACTUALLY SET 90%. POWER HAD TO BE MANUALLY INCREASED. ACFT GROUNDED. A/T LOGGED T/O SET LOW MSG 22-31678, 22-21677, 22-31676, AND 2Jul 29, 2016 · N461AS · Boeing 737990ER · Autopilot SystemSDR ASAA2016071017334Spacer · tornNR 2 ENGINE FAN BLADE LUBRICATION INSPECTION REVEALED 10 FAN BLADES SPACERS TORN. IAW TASK CARD 78472002. ITEMS 53 REQUIRES TEST 7 VIBRATION SURVEY IAW AMM 71-00-00. ACFT GROUNDED. REPLACED THE SPACERS. PERFORMED TEST 7 VIBRATION SURVEY IAW AMM 71-00-00. VJul 10, 2016 · N461AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2016051316708Actuator · failedRIGHT PACK LIGHT ILLUMINATES ON RECALL. PACK LIGHT RESETS WHEN MASTER CAUTION LIGHT IS PUSHED. ACFT GROUNDED. INSTALLED NEW RT RAM AIR EXHAUST ACTUATOR IAW AMM 21-51-27-400-801. OPS CHECKED GOOD. PERFORMED OPS CK ON BOTH FWD AND AFT RT RAM AIR DOOR ACTUAMay 13, 2016 · N461AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016050916675Actuator · failedRIGHT PACK LIGHT ILLUMINATES ON RECALL, EXTINGUISHES WITH RESET. ACFT GROUNDED. RIGHT PACK FAULTS SRADA INLET ACTUATOR. FAULT WILL NOT CLEAR. ACFT CHECKED AND RELEASED IAW MEL 21-5D, RT PACK RAM AIR SYS WITH SRADA INOPERATIVE. INSTALLED NEW RT RAM AIR INLMay 9, 2016 · N461AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016050116583Warning Light · false activationLEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES WHEN MASTER CAUTION IS RESET. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 801 PACK TEMP CONTROLLER BITE NR 1 PTC FAULTED FWD SRADA, WAS ABLE TO CLEAR/RESET FAULT AND REACCOMPLISHED BITE WITH NO FURTHER DISCMay 1, 2016 · N461AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016040116207Unknown · unknownIAW F/O REPORT, ACFT VEERED RT, DISCONNECTED AUTOPILOT TO LAND BY PILOT. ACFT GROUNDED. ACCOMPLISHED FAULT REVIEW, REF FIM 22-11, TASK 801, GROUP 20, NO FAULTS NOTED. ACCOMPLISHED DFCS LAND VERIFY TEST, GROUP 49, REF AMM 22-11-00/201, OPS CHECK NORMAL.Apr 1, 2016 · N461AS · Boeing 737990ER · Standard Practices/StructuresSDR ASAA2016030815830Warning Message · activatedFLIGHT DECK PRIMARY TEMP CONTROL INOPERATIVE. ACFT GROUNDED. BITE OF NR 2 CONTROLLER SHOWS TCV FAULT. FAULT RESET & BITE TEST NORMAL REF AMM 21-61-20/401.Mar 8, 2016 · N461AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2016011314769Display · malfunctionedF/O ND DOES NOT HAVE ANY ROUTE/NAV DATA. THERE ARE NO FLAGS ON ANY DISPLAY. ACFT GROUNDED. RESYNCED RT FMS BY PLACING FMS TO BOTH ON LT. RETURNED SWITCH TO NORMAL. F/O & CAPT ND'S NORMAL.Jan 13, 2016 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015121914314Warning Light · false activationRT SIDE RAM DOOR FULL OPEN BLUE LIGHT WAS ILLUMINATED DURING CRUISE FLIGHT AND DID NOT EXTINGUISH. ACFT GROUNDED. ACCOMPLISHED AUTO PACK TEMP BITE PROCEDURES IAW FIM 21-62, TASK 801 AND BOTH CONTROLLERS LOGGED NO FAULT. OPS CHECK GOOD WITH NO CURRENT FAULT ODec 19, 2015 · N461AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2015112813950Warning Message · false activationFMC DISAGREE ON GROUND. ACFT GROUNDED. PERFORMED FMC DISAGREE QRC, OPS NORMAL.Nov 28, 2015 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015111513780Warning Light · false activationUPON "RECALL" ON THE AFTER START CHECK LIST, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES. LIGHT RESET UPON MC PUSH TO RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST, CONTROLLER NR 1 NO FAULTS, CONTROLLER NR 2 FAULTED TRIM VALVE FLT DECNov 15, 2015 · N461AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2015111313768Warning Message · false activationDURING TAXI OUT, " FMC DISAGREE" APPEARED ON BOTH INBD DU'S. ACFT GROUNDED. ACCOMPLISHED FMC DISAGREE CHECKLIST FROM QRH P11.2. BOTH FMC'S RESTORED NORMAL.Nov 13, 2015 · N461AS · Boeing 737990ER · Central WarningSDR ASAA2015102313521Fmc · failedRIGHT FMC FAILED DURING CRUISE FLIGHT. FOLLOWED QRH WITH NO CHANGE. CONTINUED FLIGHT WITH FMC SELECT SWITCH BOTH ON LT. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 801. NO CURRENT FAULTS. FOUND PREVIOUS FLT LEG FAULT FOR RT ADIRS. PERFORMED FIM 34-61, TASK Oct 23, 2015 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015100213318Battery · dischargedREPORTED ACFT MAIN BATTERIES DEAD. ACFT GROUNDED. R & R AUXILIARY BATTERY, REF AMM 24-31-11. R & R ACFT MAIN BATTERY REF. MM 24-31-11. OPS NORMAL REF SAME.Oct 2, 2015 · N461AS · Boeing 737990ER · Battery/Charger SystemSDR ASAA2015091713086Outflow Valve · unknownCABIN PRESSURE FLUCTUATES +0.5, UP TO -0.3, DN, PSI CONTINUOUSLY IN CRUISE FLIGHT IN AUTO MODE, FL380, AND ALTN MODE. ACFT GROUNDED. DID FIM 21-31, TASK 801. BITE CK OF BOTH DCPC. NO FAULTS FOUND. PRESSURIZED ACFT WITH APU TO 3 PSI DIFF, ACFT HELD PRESSURSep 17, 2015 · N461AS · Boeing 737990ER · Pressure Regulator/Outflow ValveSDR ASAA2015080412727Control Head · malfunctionedFAIL ANNUNCIATED ON RADIO CONTROL HEAD HF2. ACFT GROUNDED. PERFORMED HF COMM BITE IAW FIM 23-11, TASK 801, OPS CHECK GOOD.Aug 4, 2015 · N461AS · Boeing 737990ER · HF Communications SystemSDR ASAA2015080312664B-Nut · looseDUCT SPLIT RT DUCT 44, LT DUCT BOUNCING BETWEEN 25 AND 30 PRESSURIZATION WAS NORMAL AFTER ALMOST 4 HRS IN FLT, RT DUCT 44, LT DUCT 35. ACFT GROUNDED. FOUND LEAK ON CONTROL PRESSURE SENSE LINE AND SUPPLY PRESSURE SENSE LINE. TIGHTENED B-NUTS DURING MM TASK 3Aug 3, 2015 · N461AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2015070612343Satcom · malfunctionedLOST SATCOM ENROUTE. ACFT GROUNDED. RAN QRH PROCEDURE. OPS NORMAL.Jul 6, 2015 · N461AS · Boeing 737990ER · Communications SystemSDR ASAA2015061012054Autoland Sys · malfunctionedAUTOLAND NOT SUCCESSFUL ACFT LINED UP 20 FT RT OF CENTERLINE. ACFT GROUNDED. FLT FAULT REVIEW SHOWS NO FAULTS LAST FLT OR CURRENT STATUS REF FIM 22-11, TASK 801. PERFORMED LAND VERIFY TEST REF MM 22-11-00/201 ALL TESTS PASSED ACFT REMAINS CAT IIIA AUTOLAND & Jun 10, 2015 · N461AS · Boeing 737990ER · Autopilot SystemSDR ASAA2015060712012Module · failedWINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. LT FRONT WINDOW HEAT FAULTS P5-9/CONTROL POWER. REPLACED P5-9 WINDOW/PITOT HEAT MODULE REF MM 30-41-41-000/801. ALL TESTS & GROUND FUNCTIONAL TESTS PASSED.Jun 7, 2015 · N461AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2015052811911Radar · malfunctionedLEFT WX RADAR TILT OR GAIN INCORRECT. SHOWS CONSTANT RETURNS AND DOESN'T MATCH DISPLAY FOR RT WX RADAR OR VISUAL CONDITIONS. ACFT GROUNDED. ACCOMPLISHED MODE TEST, GAIN TEST, & ANTENNA TILT TEST PART OF WXR SYSTEM TEST REF MM 34-43-00-730-802-001 ALL TEST PMay 28, 2015 · N461AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2015052411814Outflow Valve · faultedCABIN RATE OF CLIMB INDICATOR FLUCTUATES +- 300 FPM IN FLIGHT AT VARIOUS CRUISE ALTITUDES. COCKPIT "AIRFLOW" NOISE FLUCTUATES AT SAME TIME. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 801, DCPC BITE ON BOTH CONTROLLERS. NR 1 AND NR 2 DCPC TEST OK WITH NO EXISTMay 24, 2015 · N461AS · Boeing 737990ER · Pressure Regulator/Outflow ValveSDR ASAA2015051811771Warning Message · false activationON TAXI OUT FMC DISAGREE ON FMC. ACFT GROUNDED. RESET IAW QRH.May 18, 2015 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015050911650Cabin Pressure · malfunctionedDURING TAXI AUTO FAIL LIGHT ILLUMINATED AND ALTN FOR PRESSURIZATION SYS. ACFT GROUNDED. FAULT OCCURED ON THE GROUND, MODE SELECTOR MOMENTARILY SELECTED TO MANUAL THEN BACK TO AUTO, AUTO FAIL LIGHT EXTINGUISHED, NO FURTHER FAULTS FOUND, NO HISTORY FOR 30 DAYSMay 9, 2015 · N461AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2015050211609Apu · faultedWHILE PERFORMING AN APU START AT FL 340 FOR A CSS ON RELEASE THE APU FAULT LIGHT ILLUMINATED WITH AUTOMATIC SHUTDOWN AFTER RUNNING THE QRH PROCEDURE THE FAULT LIGHT EXTINGUISHED APPROXIMATELY 4 MINUTES LATER SECOND ATTEMPT 10 MIN LATER ALSO PRODUCED FAULT LIGHMay 2, 2015 · N461AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2015042911580Sensor · faultedATTEMPTED TO START APU AT FL360 FOR A CSS ON RELEASE- FAULT LIGHT ILLUMINATED WITH APU AUTOMATIC SHUTDOWN. WE RAN QRH PROCEDURE AND FAULT LIGHT WENT OUT AFTER ABOUT 1 MINUTE. DESCENDED TO FL 300 AND STARTED APU WITH NO PROBLEMS. SECOND START WAS APPROXIMATEApr 29, 2015 · N461AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2015042211466Fuel Control · failedACARS MESSAGE, FLT 745 INDICATE COLD SOAK START FAIL FL 360, 310 MEL FAULT. ACFT GROUNDED. FOUND FAULT 49-31171, FUEL CONTROL UNIT FLOW DISAGREES WITH COMMAND. REPLACED FCU WITH NEW. ALL OPS & BITE CHECKS GOOD, IAW AMM 49-31-11. CSS ATTEMPT AT FL360, FAULTApr 22, 2015 · N461AS · Boeing 737990ER · APU Engine Fuel and ControlSDR ASAA2015041811385Power Unit · failedAPU FAILED TO START AFTER LANDING. FAULT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED TECH SERVICE REQUEST. ALL CONNECTORS CHECKED OK. REPLACED BOTH START POWER UNIT AND START CONVERTER UNITS. ALL OPS NORMAL, GROUND VERIFICATION SATISFACTORY. IAW MM 49-4Apr 18, 2015 · N461AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2015041511365Ecu · faultedAPU FAILED TO START ON GROUND ILLUMINATION OF APU FAULT LIGHT. ACFT GROUNDED. ACCOMPLISHED FIM 49-60, TASK 801, APU BITE. NO CURRENT FAULT. MESSAGES 49-41012, NO ROTATION (4X) AND NO FLAME (2X) LOGGED. ACCOMPLISHED FIM TASKS 49-40 802 & 803. NO FAULTS FOUNApr 15, 2015 · N461AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2015041511364Fmc · failedLEFT FMC FAILED. ACFT GROUNDED. VERFIED DISCREPANCY. REPLACED LT FMC COMPUTER, REF 34-61-02. CROSSLOADED ALL SW FROM RT TO LT. ADJUSTED PERFORMANCE FACTORS. REF 34-61-00. OPS CK SYS 34-61-00. SYS RETURNED TO NORMAL. SYS CKS NORMAL.Apr 15, 2015 · N461AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2015041411359Warning Message · false activationFMC DISAGREE ANNUNCIATED ON TAXI OUT. ACFT GROUNDED. QRH COMPLIED WITH DUAL FMC RESTORED.Apr 14, 2015 · N461AS · Boeing 737990ER · Flight Management Computing Hardware System
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