N409AS

Service difficulty reports · 276

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 = 'N409AS' 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 ASAA2021100436187Unknown · unknownMIDWAY THOUGH THE FLIGHT VNAV DISCONNECT ROUTE DUMPED FROM THE FMC BOTH SIDES - REBUILT ROUTE NO FURTHER PROB. GROUNDED - YES. REF. B737-900ER FIM 34-61 TASK 836. PERFORMED FMC RESET OPS TEST NORMAL.Oct 4, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021093036121Unknown · unknownDURING CRUISE WE RECEIVED AN FMC DISAGREE MESSAGE. MESSAGE WENT AWAY WITHIN SECONDS. DURING SHUTDOWN WE RECEIVED THE SAME MESSAGE AND AGAIN IT WENT AWAY WITHIN SECONDS. GROUNDED - YES. ACCOMPLISHED FMC BITE PER B737-900ER FIM 34-61 TASK 801. NO FAULTS LOGGED. Sep 30, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021092836108Idg · inoperativeDURING CRUISE #1 GENERATOR FREQUENCIES SHOWED 394. AFTER LANDING #1 GENERATOR FREQUENCIES DROPPED TO 392. GROUNDED - YES. REMOVED AND REPLACED #1 IDG REF B737-900ER AMM 24-11-11-400-801. REMOVED IDG FILTERS TO CHECK FOR CONTAMINATION ON REMOVED IDG, NO CONTAMISep 28, 2021 · N409AS · Boeing 737990ER · Alternator-Generator DriveSDR ASAA2021091635988None · failedON CLIMBOUT, DUCT PRESSURE DIFFERENTIAL NOTED AT GREATER THAN 20PSI (R 42PSI / L 45PSI). ON LEVEL OFF AT FL340 DUCT PRESSURE NOTED AT R 43PSI / L 26PSI. GROUNDED - YES. ACCOMPLISHED #1 ENG BLEED AIR SYSTEM HEALTH CHECK TASK CARD NG-36WC-00001 & FOUND PRECOOLERSep 16, 2021 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021091635987None · failedAT CRUISE FL340, LEFT "BLEED TRIP OFF" AMBER LIGHT ILLUMINATED, LEFT DUCT PRESSURE INDICATED ZERO PSI. WE PUSHED TRIP RESET BUTTON PER QRH PROCEDURES AND BLEED TRIP OFF" LIGHT EXTINGUISHED AND LEFT DUCT PRESS INDICATION MATCHED RIGHT DUCT PRESS. IND. GROUNDED Sep 16, 2021 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021091335945Sense Line · crackedDURING CLIMB DUCT PRESS L DUCT PRESS 18 PSI RIGHT DUCT 40 PSI. WHEN LEVELED AT FL 370 R DUCT 40 PSI & LEFT 28 PSI. GROUNDED - YES. INSPECTED #1 ENGINE PNEUMATIC SYSTEM AND FOUND SENSE LINE BETWEEN BLEED AIR REGULATOR AND PRE-COOLER CONTROL VALVE TO BE CRACKED Sep 13, 2021 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021091335937Modulating Valve · faultedDURING T/C NG-21EA-23228-1 FOUND ZONE TRIM VALVE FAULT ON ZONE TEMP CONT 1. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 835 FOUND AFT CABIN TRIM AIR MODULATING VALVE TO BE BAD. REMOVED AND REPLACED AFT CABIN TRIM AIR MODULATING VALVE REF B737-900 AMM 21-61-21.Sep 13, 2021 · N409AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021080735647Cover · detachedWHILE WORKING TASK CARD 78233002 FOUND CENTER AISLE CEILING EMERGENCY EXIT LIGHT MISSING ACCESS COVER PANEL. GROUNDED - YES. INSTALLED NEW ACCESS COVER TO EMERGENCY EXIT CEILING PANEL. REF B737-900 IPC 33-51-01.Aug 7, 2021 · N409AS · Boeing 737990ER · Emergency LightingSDR ASAA2021060935064Valve · faultedFLT DECK TRIM VALVE FAULT APPEARED WHILE PERFORMING #2 PZTC BITE CHECK FOR LL2 PER FIM 21-62 TASK 801. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 832. NO DEFECTS NOTED.Jun 9, 2021 · N409AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021052934979Overheat Sys · false activationENG 2 SYS B FIRE OVERHEAT HARD FAULT, SYS A OK. GROUNDED - YES. ENG #2 FIRE DETECTION OPERATIONAL TEST GOOD. CONTROL MODULE BIT SHOWS NO FAULTS. CONTROL MODULE REMOVED AND FIRE DETECTOR RANG OUT AT LOOPS B PINS 12 TO 2 AND 12 TO 10: BOTH WITHIN TOLERANCE (867 May 29, 2021 · N409AS · Boeing 737990ER · Overheat DetectionSDR ASAA2021042334663Actuator · leakingDURING DRIVE PAD LEAK CHECK FOUND #1 ENGINE RIGHT VSV DRAIN LINE LEAKING 10 DROPS MIN. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE RIGHT VSV ACTUATOR REF B737-900 AMM 75-31-01. LEAK CHECK GOOD.Apr 23, 2021 · N409AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021040434570Skin · dentedON WALK AROUND FOUND DENT IN SIDE OF FUSELAGE 3 FEET AFT OF LAV SERVICE DOOR. MIG 2C INITIATED 40-0003754. A. TEMPLEMAN 98950. GROUNDED - YES. (RESOLVED ON W/O: 1869060 TASKCARD: N/R-00001 ) CUT OUT DAMAGED SKIN AND REPAIRED AREA REF ASA EA 900ER -53EA-23385 RApr 4, 2021 · N409AS · Boeing 737990ER · Fuselage Main, Plate/SkinSDR ASAA2021032734442Keypad · defectiveFO EXEC KEY PRODUCES RANDOM CHARACTERS. GROUNDED - YES. REMOVED & REPLACED F/O'S MCDU KEYBOARD REF B737-800 AMM 34-61-01 2 C/B OPEN & CLOSED, OPS NORMAL.Mar 27, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021032734436Key Pad · malfunctionedFO FMC ENTRY KEY CONTROLS BRIGHTNESS. GROUNDED - YES. PERFORMED FMC SYS BITE REF B737-900 FIM 34-61 TASK 801, OPS CHECK GOOD, OK FOR SERVICE.Mar 27, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021032534430Display · faultyWHEN IN FULL BRIGHT, FIRST OFFICERS MCDU SCREEN FLASHES ABOUT ONE PER SECOND. GROUNDED - YES. CHECKED AND COULD NOT DUPLICATE INTENSITY OR FLASHING ISSUE. AS A PRECAUTION REMOVED AND REPLACED FO'S MCDU PER B737-900 AMM 34-61-01. INSTALLATION TEST SUCCESSFUL.Mar 25, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021012333934Display · inoperativeCAPT SIDE MCDU MALFUNCTIONING, EXEC BUTTON DOES NOT EXECUTE. IN ACARS AOC MENU BUTTONS 1RT, 2R, 3R NOT FUNCTIONING PROPERLY THEY BRING UP WRONG MENU PAGE. GROUNDED-YES. VERIFIED DEFECT. REMOVED & REPLACED CAPT MCDU, VERIFIED SOFTWARE P/N, INSTALLATION TESTJan 23, 2021 · N409AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021011933899Connector · dirtyDURING LL1 FOUND ENGINE 1 FIRE LOOP B SHOWS FAULT. GROUNDED-YES. CLEANED CONNECTORS OF FIRE DETECTION HARNESSES MW0325, MW0326 CHECKED ALL CONNECTIONS. ACCOMPLISHED GVI OF FIRE LOOPS OPERATIONS CHECK NORMAL, REF B737-900 AMM 26-11-00.Jan 19, 2021 · N409AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2020122833778Actuator · faultedLEFT PACK LIGHT ILLUMINATED. EXTINGUISHED WHEN MASTER CAUTION LIGHT IS RESET. GROUNDED-YES. ACCOMPLISHED NR 1 PACK TEMP CONTROL BITE AND HAD RAM AIR ACTUATOR FAULT, REF B737-900 FIM 21-62 TASK 801. REMOVED AND REPLACED LT RAM AIR INLET ACTUATOR, REF B737-9Dec 28, 2020 · N409AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020122633746Warning Light · false activationLEFT PACK LIGHT ON MASTER CAUTION RECALL. GOES OUT ON MASTER CAUTION RESET. GROUNDED-YES. PACK ZONE TEMP CONTROLLER BITE, PER B737-900 FIM 21-62 TASK 801. SHOWED BIT AND PREV FLT FAULTS FOR LEFT PACK RAM AIR ACTUATOR, BUT VERIFY TEST DID NOT CONFIRM FAULT. Dec 26, 2020 · N409AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020112533597Bleed Valve · stuckREF T/C AD20201651-NG-36-1 NR 1 ENGINE 5TH STAGE VALVE FAILED INSPECTION, FLAPPER STUCK CLOSED DUE TO CORROSION. GROUNDED-YES. REPLACED NR 1 ENGINE 5TH STAGE VALVE, AS REQUIRED PER T/C AD20201651-NG-36-1 REF B737-900 AMM 36-11-02. OPERATIONS AND LEAK CHECKSNov 25, 2020 · N409AS · Boeing 737990ER · Compressor Bleed ValveSDR ASAA2020112533596Shutoff Valve · bindingPRSOV ON THE NR 1 ENGINE FAILED THE MANUAL WRENCH CHECK (BINDS), PER T/C N8010004. GROUNDED-YES. REPLACED THE NR 1 ENGINE PRSOV, REF AMM 36-11-04. OPERATIONS TEST PASSED.Nov 25, 2020 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2020080432977Transition Panel · corrodedFWD PIT RT TRANSITION PANEL CORRODED AT STA 500K. GROUNDED - YES. BLENDOUT CORROSION ON R/H TRANSITION PNL IN FWD CARGO PIT, FOUND TO BE OUT OF LIMITS IAW SRM 53 30 53 01 2 FABRICATED,LOCATED AND DRILLED AND INSTALLED NEW REPAIR PARTS IAW SRM 53-00-53-2R-5 REPJul 24, 2020 · N409AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020070632861Fire Detector · faultyENG 1 OVERHEAT & FIRE DETSHOWS FAULT ON LOOP B. GROUNDED - YES. ACCOMPLISHED OPERATIONAL TEST AND BITE TEST OF THE FIRE DETECTION SYSTEM. NO FAULTS CURRENT. REMOVED AND REPLACED NR 1 ENGINE CORE DETECTORS M1759, M1760, AND M0326 HARNESS IAW AMM 26-11-01/40Jun 30, 2020 · N409AS · Boeing 737990ER · Fire DetectionSDR ASAA2020062942836Ground Wire · brokenNR 1 ENGINE, B FIRE LOOP WAS INOPERATIVE. GROUNDED - YES. PERFORMED FIM 26-10 TASK 801. FOUND NO FAULTS ON BITE OR FROM FIRE LOOP TEST IN FLIGHT DECK. PERFORMED GVI OF THE FIRE LOOPS FOR THE NR 1 ENGINE. FOUND A BROKEN GROUND TERMINAL ON CORE LOOP B. REPJun 24, 2020 · N409AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2020061862808Valve · failedL/H ENG BLEED AIR CROSSOVER CHECK FAILS AT POWER SETTINGS BELOW 50% N1. PRESSURES BELOW LIMITS, THROTTLES ADVANCED AND RETARDED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG HIGH STAGE VALVE, REF B737-900 AMM 36-11-06, REQUIRES INSTALLATION TEST. LEAK CHECKED GJun 16, 2020 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2020031632426Warning System · false activation# 1 FIRE DETECTION B LOOP INOP. GROUNDED - YES. CYCLED A/C POWER THEN PERFORMED ENGINE/APU FIRE DETECTION CONTROL MODULE BITE WITH NO FAULTS FOUND. GROUND VERIFICATION SUCCESSFUL REF B737-900 FIM 26-10 TASK 801.Mar 14, 2020 · N409AS · Boeing 737990ER · Fire DetectionSDR ASAA2020030632362Windshield · malfunctionedL1 WINDOW HEAT OVERHEAT LT ILLUMINATED. GROUNDED - YES. BOTH L1 WINDOW SENSORS ARE OPEN REF B737-900 AMM 30-41-21-760-801. 2 C/B'S PULLED & MIG 51A ATTACHED P18-3 E1 AND P6-11 B9. R/R FWD LH WINDSCREEN IAW AMM 56-11-11-000-801/400-801. PULLED/COLLARED 12 CB'S Mar 3, 2020 · N409AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2020022193228Spinner · unknownSPINNER FRONT CONE MORE 50 PERCENT WHITE ON #2 ENGINE. GROUNDED - YES. INSTALLED FRONT SPINNER CONE PER T/C 78472010.Feb 19, 2020 · N409AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020021432181Circuit Breaker · trippedWX RADAR INOP-C/B POPPED. GROUNDED - YES. INSPECTED WIRING CIRCUIT-NORMAL. NO HISTORY REF B737-900 WDM 34-41-11. RESET WX RADAR C/B ON P6-1 REF B737-900 AMM 20-60-01 GRD VERIFICATION SUCCESSFUL- WX RADAR OPS NORMAL REF AMM 34-43-00 OK FOR SERVICE SEAMC RAY CONFeb 13, 2020 · N409AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020021103137Spacer · debondedREF T/C # 78472010 #1 ENGINE FAN BLADE LUBE. FOUND 6 EACH FAN BLADE SPACER DISBONDED. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FAN BLADE SPACER 6 EACH. REF T/C # 78472010.Feb 10, 2020 · N409AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020021063115Warning Light · false activationFLIGHT DECK ZONE TEMP LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. PERFORMED BITE PER B737-900 FIM 21-62-TASK 801 FAULT CLEARED OPS CHECKS GOOD.Feb 6, 2020 · N409AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020021053133Circuit Breaker · trippedBLEED AIR VALVES LEFT CIRCUIT BREAKER POPPED DURING CRUISE FLIGHT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG BLEED AIR REGULATOR REF B737-900 AMM TASKS 36-11-03-000/400-801. OPS CHECK GOOD. LEAK CHECK GOOD.Feb 5, 2020 · N409AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2020020542084Regulator · failedWITH BOTH ENGINES RUNNING, POWER AT IDLE, BOTH PACKS IN AUTO, LEFT DUCT PRESSURE READS 10 PSI. ENGINE ANTI ICE OFF AS WELL. GROUNDED - YES. PERFORMED DUCT PRESSURE LOW FAULT ISOLATION REF B737-900 FIM 36-10 TASK 804. REMOVED AND REPLACED BLEED AIR REGULATOR REFeb 4, 2020 · N409AS · Boeing 737990ER · Compressor Bleed ValveSDR ASAA2020011331843Knob · looseKNOB HANDLE ON NR 2 THROTTLE IS LOOSE AND WOBBLY. GROUNDED - YES. TIGHTENED KNOB.Jan 11, 2020 · N409AS · Boeing 737990ER · Power LeverSDR ASAA2020010231742Actuator · inoperativeL/H RAM DOOR ACTUATOR FAULT DURING TEMP/ZONE CONROLLER BITE TEST. WILL NOT RESET. GROUNDED - YES. REMOVED AND REPLACED LH RAM AIR INLET ACTUATOR REF. B737-900 AMM 21-51-21. OPS AND BITES TEST GOOD.Dec 30, 2019 · N409AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019122181645Fuel Sys · leakingWHEN DOING GROUND RUN IDLE CK OUT #2 ENG NOTED FUEL LEAKAGE FROM RT VSV DRAIN LINE AT START UP AND SHUT DOWN. GROUNDED - YES. ON DEFERRAL.Dec 18, 2019 · N409AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2019121871631Igniter · wornSTARTING ENG #2 ENGINE DID NOT LIGHT OFF GOOD N1 N2 ROTATION. GROUNDED - YES. REF B737-900 FIM TASK 74-21-02-400-801, INSPECTED L IGNITOR PLUG- NOTED SEVERE WEAR, ALSO NOTED L IGNITOR LEAD CHAFFED AT 6 OCLOCK POS. - NOTED NORMAL WEAR ON R IG IGNITOR PLUG- REPLDec 17, 2019 · N409AS · Boeing 737990ER · Spark Plug/IgniterSDR ASAA2019121613597Actuator · failedZONE TEMP LIGHT (CAB CONT) ON RECALL. RESETS WHEN PUSH MC LIGHT. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 801, PZTC #1 BITE TEST FOUND RAM AIR ACT FAULT, RESET PZTC #1 FAULT NOT ACTIVE, PZTC #2 BITE TEST FAULTED RAM AIR ACT AND UNABLE TO RESET THE FAULT, PEDec 11, 2019 · N409AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019111251249Autopilot Sys · malfunctionedHGS A3 AUTOLAND - FAIL. ON APPROACH AUTOPILOT #1 WOULD NOT ACCEPT DUAL A/P CMD. RESETTING BOTH A/P REGAINED AUTOLAND UNTIL "APRCH WARN" LIGHT CAME ON IN HUD. DISENGAGED BOTH A/P AND LANDED MANUALLY WITH RUNWAY IN SIGHT. GROUNDED - YES. FAULT SHOWS IN FCC B HISNov 5, 2019 · N409AS · Boeing 737990ER · Autopilot SystemSDR ASAA2019102541104Eec · failed(#1 ENG) WHEN ENTERING ENG BITE GROUND TEST MENU EEC CHANNEL "B" FAILS TO ENERGIZE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG EEC PER B737-900 AMM 73-21-60. OPS CHECK GOOD PER AMM 73-21-00. GROUND VERIFICATION TEST SUCCESSFUL.Oct 24, 2019 · N409AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2019102183056Indicator · inoperativeCTR FUEL TANK REFUEL INDICATOR INOP. GROUNDED - YES. REMOVED & REPLACED CENTER TANK REFUEL INDICATOR, PERFORMED GOOD INSTALLATION TEST REF B737-900 AMM 28-41-61.Oct 18, 2019 · N409AS · Boeing 737990ER · Fuel Quantity IndicatorSDR ASAA2019100423903Controller · failedCONT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. REPLACED PACK TEMP CONTROLLER AND RAN BITE TEST IAW B737-900 AMM 21-51-00-700-803. SYSTEM TEST IS GOOD.Oct 2, 2019 · N409AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2019090130613Alternator · faultyPER T/C 78273000 FOUND SHORT TIME FAULT ON #1 ENGINE MSG# 73-11281 EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE ON FLT LEG #3. GROUNDED - YES. REMOVED AND REPLACED ENG #1 EEC ALTERNATOR REF AMM 73-21-08-400-801-F00. EEC BITE CHECK, NO FAULTS. COMPLSep 1, 2019 · N409AS · Boeing 737990ER · Fuel Control/Turbine EnginesSDR ASAA2019081283338Warning Light · false activationAFTER START-RT PACK LIGHT ILLUMINATED UPON RECALL. EXTINGUISHED UPON RESET. GROUNDED - YES. PERFORMED RH PACK/ZONE TEMP CONTROLLER BITE TEST IAW B737-900 AMM 21-61-00 NO FAULTS FOUND. UNABLE TO VERIFY. GROUND VERIFICATIONS GOOD.Aug 8, 2019 · N409AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019080183263Wire Harness · faultedPER WORK ORDER T/C# 78273000 FOUND #1 ENG MSG# 73-21271 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE" ON FLIGHT LEG#3 IS A SHORT TIME FAULT. GROUNDED - YES. REMOVED AND REPLACED J8 HARNESS ON #1 ENGINE IAW B737-900 AMM 73-21-06. HARNESS CHECKS GOODJul 28, 2019 · N409AS · Boeing 737990ER · Engine Fuel System WiringSDR ASAA2019072830262Eec · faultedPER T/C # 78273000 FOUND MSG # 73-11281, EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE FLIGHT LEG#3, THIS IS SHORT TIME FAULT. GROUNDED - YES. RAN EEC BITE TEST REF B737-900 73-21-00 SYSTEM OP CHECKS GOOD THIS APPEARS TO BE A ONE TIME FAULT.Jul 28, 2019 · N409AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2019072430190Bearing · worn#1 ENGINE START DUCT LINK AFT CONNECTION TO FAN FRAME BRACKET HAS WORN BEARING. GROUNDED - YES. REPLACED #1 ENG. START DUCT LINK AFT IN REF TO PPBM 71-00-02.Jul 24, 2019 · N409AS · Boeing 737990ER · Powerplant SystemSDR ASAA2019071030003Indicator · failedDURING FUELING AN "ID FAIL" INDICATION ON THE CENTER TANK INDICATOR APPEARED (ON THE GAGE IN THE FUELING COMPARTMENT). GROUNDED - YES. PULLED AND COLLARED 4 C/BS. REPLACED CENTER TANK FUEL IND. PER AMM 28-41-61. RESET 4 C/B'S.Jul 10, 2019 · N409AS · Boeing 737990ER · Fuel Quantity IndicatorSDR ASAA2019062929880Warning System · false activation#1 ENG EEC BITE TEST SHOWS FAULT MAINT MSG 73-21271 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE" SHORT TIME FAULT, DEFERRED PER TC 78273000. GROUNDED - YES. REF FIM 73-27 TASK 804. ACCOMPLISHED #1 EEC BITE, NO CURRENT FAULTS. FAULT MESSAGE 73-2127Jun 29, 2019 · N409AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2019061869736Starter · inoperativeNO AIR PRESSURE & NO N2 ROTATION DOING START. GROUNDED - YES. FOUND STARTER INOP INTERNALLY -NO EXTERNAL CONTAMINATION FOUND. RMVD AND REPLACED #1 STARTER REF B737-900 AMM 80-11-01. IDLE PWR AND PNEU LEAK CHECKS GOOD.Jun 16, 2019 · N409AS · Boeing 737990ER · Engine Cranking
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