N519AS

Service difficulty reports · 485

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 = 'N519AS' 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 ASAA2023080644451Motor · malfunctionedAFT LEFT MAIN FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED ON TAKEOFF. GROUNDED - YES. (RESOLVED ON W/O: 1964749 TASKCARD: N/R-00003 ) REMOVED AND REPLACED TANK #1 AFT BOOST PUMP IAW AMM 28-22-41. OP/LEAK CHECK GOOD. AC RELEASED FROM MEL 28-1C. MAINT PROCEDURES REAug 6, 2023 · N519AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023080644448Unknown · unknownAFT LEFT MAIN FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. VERIFIED AFT LEFT MAIN FUEL PUMP C/B CLOSED. OPERATED PUMP AFTER RE-FUEL NO DEFECTS NOTED PUMP OPS NORMAL REF FIM 28-22 TASK 803 ETOPS SIGNIFICANT SYSTEM GND VERIFICATION ACCOMPLISHED.Aug 6, 2023 · N519AS · Boeing 737890 · Aircraft Fuel SystemSDR ASAA2023080544412Unknown · unknownFWD CAB ZONE TEMP LIGHT ILUMINATES ON RECALL CANCELS WITH PUSH OF MASTER CAUTION. GROUNDED - YES. (RESOLVED ON W/O: 1963714 TASKCARD: N/R-00008 ) FOUND EXTREEMLY DIRTY TEMP SENSORS ON FD & FWD CABIN SENSORS. CLEANED SENSORS & C/W AMM 21-51-10-000-801, OPS CHECAug 5, 2023 · N519AS · Boeing 737890 · Air Conditioning SystemSDR ASAA2023080244394Unknown · unknownAFTER PUSHBACK, FWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED ZONE TEMP CONTROL BITE TEST REF AMM 21-61-00. NO FAULTS NOTED. A/C OK FOR SERVICE. SEAMC ASHRAF NOTIFIED.Aug 2, 2023 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023072544227Modulating Valve · faultyILLUMINATION OF ZONE TEMP FWD LIGHT DURING MASTER CAUTION RECALL, LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. PERFORMED BITE REF AMM 21-6100 PRV FLT ZONE TRIM VALVE FAULT REPLACED FWD CAB ZONE TRIM VALVE REF AMM 21-61-21 MIG51A INSTJul 25, 2023 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023072244152Unknown · unknownDURING MASTER CAUTION RECALL FWD ZONE TEMP LIGHT ILLUMINATED. ZONE TEMP LIGHT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. C/W FIM TASK 21-62 TASK 801. FAULT CLEARED. NO FURTHER DEFECTS NOTED. NO HISTORY IN 60 DAYS.Jul 22, 2023 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023060743488Actuator · faultyAUTOPILOT B WILL NOT STAY ENGAGED - TRIES TO TURN TO THE LEFT. GROUNDED - YES. CONFIRMED FAULT, DFCS BITE TEST FAILS CH-B AIL ACT PRESS LCL INV MSG 22-11149. SWAPPED FCC, STILL FAILS ON THE CH-B SIDE. RE-INSTALLED FCC INTO THE ORIGINAL POSITIONS. REMOVED & REPJun 7, 2023 · N519AS · Boeing 737890 · Autopilot SystemSDR ASAA2023060343438Unknown · unknownLEFT FWD WINDOW HEAT NOT SHOWING "ON" OR "OVERHEAT" WHEN TURNED ON. GROUNDED - YES. PERFORMED WINDOW HEAT CHECK PER B737-800 AMM 3041-00 NO FAULT FOUND.Jun 3, 2023 · N519AS · Boeing 737890 · Ice/Rain Protection SystemSDR ASAA2023051643257Igniter · faultyAPU FAULT LIGHT DURING APU START. GROUNDED - YES. REMOVED AND REPLACED APU IGNITER PLUG REF B737-800 AMM 49-41-51.May 16, 2023 · N519AS · Boeing 737890 · APU Start/Ignition SystemSDR ASAA2023050643136Pressure Switch · faultedAUTOPILOT B WILL NOT STAY ENGAGED AFTER BEING SELECTED. GROUNDED - YES. REMOVED AND REPLACED AILERON B ACTUATOR PRESSURE SWITCH INSTALLATION TEST PASSED REF B737-800 AMM 22-11-40-401.May 6, 2023 · N519AS · Boeing 737890 · Autopilot SystemSDR ASAA2023050643139Unknown · unknownR1 DOOR EXIT SIGN FELL OFF IN FLIGHT. GROUNDED - YES. RESECURED R1 DOOR EXIT SIGN AS REQ. PER AMM 33-50-00.May 6, 2023 · N519AS · Boeing 737890 · Lighting SystemSDR ASAA2023050543144Unknown · unknownRIGHT FMC FAILED IN FLIGHT "SINGLE FMC OPS" IN SCRATCHPAD AND F/O MAP FLAG ILLUMINATED. RAN QRH AND IT DID NOT RESTORE. GROUNDED - YES. PULLED & RESET BREAKERS 2&1 CMPTR FMC PER B737-800 FIM 34-61 TASK 836 RESTORED NORMAL OPERATION. ETOPS SIGNIFICANT SYSTEM GRMay 5, 2023 · N519AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023040842799Unknown · unknownUPON MASTER CAUTION RECALL CONT CAB ZONE TEMP ILLUMINATED, LIGHT EXTINGUISHED WHEN MC PRESSED. GROUNDED - YES. REF FIM TASK 21-62 TASK 842, VERIFIED BOTH PACK OPS CHECKED NORMAL ON GND IN ALL TEMP RANGE W/O FAULT LIGHT. BOTH PZTC'S BITE VERIFY TEST PASSED W/O Apr 8, 2023 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023040542764Pump · faultedDURING CLIMB TO CRUISE #2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP PER B737-800 AMM 28-22-41.Apr 5, 2023 · N519AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2023032142440Unknown · unknownAUTO-THROTTLE DISENGAGED ON T/O ROLL. GROUNDED - YES. FOUND FAULT CODE 22-31687 "ASM RATE MONITOR" IN HISTORY BUT NOT IN RECENT FLIGHTS. PERFORMED B737-800 FIM 22-32 TASK 819. RESET FCC AND ASM IAW FIM PERFORMED INTERACTIVE THROTTLE TEST IAW FIM. OPS TEST GOODMar 21, 2023 · N519AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2023030542207Unknown · unknownAUTO PILOT B DISCONNECTS AFTER 4-5 SECONDS. GROUNDED - YES. ACCOMPLISHED FLIGHT FAULT REVIEW. FOUND FAULT IN HISTORY 22-11132, 22-11149. PERFORMED DFCS BITE TEST REF B737-800 FIM 22-11 TASK 801. NO FAULTS FOUND. PERFORMED AUTO PILOT A&B CURRENT STATUS. ALL TESMar 5, 2023 · N519AS · Boeing 737890 · Autopilot SystemSDR ASAA2023022142035Panel · faultyAUTO PILOT-A WILL NOT ENGAGE. GROUNDED - YES. C/W DFCS BITE PROCEDURE, B737-800 FIM 22-11 TASK 801, BITE GRP #20 FAULT REVIEW, FOUND LEG 6 HAD MULTIPLE FAULTS FOR BOTH ENGAGE ATTEMPT AND A/P DISC FAULTS. MCP AIL ENG DISAGREE, FC 22-11625, MCP ELV ENG DISAGREE Feb 21, 2023 · N519AS · Boeing 737890 · Autopilot SystemSDR ASAA2023021341928Unknown · unknownDURING PREFLIGHT, DUAL FMC FAILURE. MAP FLAG BOTH SIDES. VTK FLAG BOTH LEFT SIDE. GROUNDED - YES. PULLED & RESET BREAKERS CMPTR 1 & 2 FMC PER B737-800 FIM 34-61-836. NO HIST. 30 DAYS. RESTORED NORMAL OPERATION. A/C GOOD FOR SVC.Feb 13, 2023 · N519AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023020641850Packing · leaking#1 ENGINE GEAR BOX PAD LEAKING. GROUNDED - YES. #1 ENGINE ACCESSORY GEARBOX STARTER DRIVE PAD ASSEMBLY REMOVED. SEALS AND PACKINGS REPLACED. #1 ENGINE ACCESSORY GEARBOX STARTER DRIVE PAD REINSTALLED. ALL WORK DONE PER ASA TASKCARD N8472002. LEAK CHECK GOOD.Feb 6, 2023 · N519AS · Boeing 737890 · Turbine Engine Accessory DriveSDR ASAA2023012341579Skin · crackedR/H HORIZONTAL LOWER SKIN IS CRACKED AT STA 174, 24 INCHES FWD OF REAR SPAR. GROUNDED - YES. REPAIRED LOWER SKIN AT STA 174 IAW B737-800 SRM 55-10-01-2R-11 CAT B REPAIR INSPECTION THRESHOLD 56,000 FLIGHT CYCLES AT 9000 FLIGHT CYCLE INTERVALS.Jan 4, 2023 · N519AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2022120340996Modulating Valve · faultedRIGHT PACK LIGHT ILLUMINATES DURING RECALL. RESETS OK. GROUNDED - YES. REMOVED AND REPLACED RIGHT TCV, V141 B737-800 AMM 21-51-10, OPS CHECK GOOD.Dec 3, 2022 · N519AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022120140995Control Valve · faultedRIGHT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK TEMP CTRL BITE IAW FIM 21-62 TASK 801. NR 2 TCV FAULT PRESENT. BITE PASSED, PACK LIGHT EXTINGUISHED ON RECALL.Dec 1, 2022 · N519AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2022112040894Controller · faultedAFT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. R&R PZTC NR 1 IAW AMM 21-61-20-000-801 OPS CHECK NORMAL PER AMM BITE PROCEDURE AMM 21-61-00-700-806-002.Nov 20, 2022 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022110940739Modulating Valve · faultedAFT ZONE TEMP ILLUM ON APPROACH. RESET WITH RECALL. GROUNDED - YES. REMOVED AND REPLCAED ZONE TRIM AIR MODULATING VALVE PER B737-800 AMM 21-62-21-400-801 BITE TEST GOOD.Nov 9, 2022 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022110740685Lens · missingCOVER FOR EXIT LIGHT BY THE L1 DOOR MISSING. GROUNDED - YES. FOUND EXIT LIGHT COVER AND REINSTALLED.Nov 7, 2022 · N519AS · Boeing 737890 · Emergency LightingSDR ASAA2022110340637Warning Light · false activationAFT CABIN ZONE TEMP LIGHT ON MASTER RECALL. GROUNDED - YES. C/W FIM PROCEDURES. BITE TEST OF 1 & 2 PZTC = PZTC 1 FAULTED ZONE TRIM VALVE. GREEN GO / VERIFY LIGHT ILLUMINATED AND RESET FAULT. OPERATED BOTH R & L PACKS WITH NO FAULTS NOTED. REF B737-800 FIM 21-6Nov 3, 2022 · N519AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2022101040239Circuit Breaker · trippedAFTER ENG START AND DURING TAXI OUT F/O PITOT HEAT LIGHT ILLUMINATED. GROUNDED - YES. FO'S PITOT HEAT C/B (P18-3 D 5) WAS TRIPPED. RESET C/B REF B737-800 AMM 20-60-01. PERFORMED PITOT HEAT OPS CK REF B737-800 AMM 34-11-01-860-174. OPS CK GOOD.Oct 10, 2022 · N519AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2022082939748Unknown · unknownAT FL 370 JUST PRIOR TO DESCENT, L FMC FAILED 3 TIMES IN 2 MINUTES. VTK, MAP AND BOTH FMC PROMPTS ERASED. NORMAL OPS RESTORED EACH TIMES WITH NO PILOT ACTION. NOTE: APPROACH WAS NOT LOADED UNTIL DESCENT WINDS WERE EXECUTED. GROUNDED - YES. REF B737-800 FIM 34-Aug 29, 2022 · N519AS · Boeing 737 · Flight Management Computing Hardware SystemSDR ASAA2022082639665Unknown · unknownVNAV BUTTON ON FGC STICKS WHEN PRESSED. GROUNDED - YES. CLEANED AND REINSTALLED BUTTON ON DFCS MCP PANEL REF B737-800 AMM 22-11-34-100-801.Aug 26, 2022 · N519AS · Boeing 737 · Autopilot SystemSDR ASAA2022082539664None · inoperativeCAPTAINS COURSE WINDOW ON MPC FROZEN AT 150. GROUNDED - YES. REPLACED MCP REF B737-800 AMM 22-11-34/401.Aug 25, 2022 · N519AS · Boeing 737 · Autopilot SystemSDR ASAA2022082239619Window · overheatedSHORTLY AFTER LEVEL OFF AT FL330, R SIDE WINDOW OVERHEAT ANNUNCIATOR LIGHT ILLUMINATED. ALLOWED 5 MINUTES COOLING PER QRH, THEN LIGHT REILLUMINATED 4 MINUTES LATER. PROCEEDED WITH R SIDE WINDOW HEAT IN OFF POSITION FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YAug 22, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022082139594Unknown · unknownRT FWD SIDE (R2) OVERHEAT LT ILLUMINATED UPON LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT OPERATIONAL TEST IAW B737-800 AMM TASK 30-41-00-710-801 NO DEFECTS NOTED AT THIS TIME.Aug 21, 2022 · N519AS · Boeing 737 · Windshield/Door Rain/Ice RemovalSDR ASAA2022082139570Control Unit · faultyR2 SIDE WINDOW OVERHEAT GROUNDED - YES. REMOVED AND REPLACED RIGHT SIDE WINDOW HEAT CONTROL UNIT IAW B737-800 AMM 30-41-11-000-801 AND AMM 30-41-11-400-801.Aug 21, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022081339492Overheat Sensor · intermittentR-SIDE WINDOW HEAT OVERHEAT. GROUNDED - YES. EXTINGUISHED AFTER RESET.Aug 13, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022081239493Cover · detachedF/A REPORTS L1 DOOER EMERGENCY LIGHT COVER FELL OFF. GROUNDED - YES. REPLACED L1 DOOR THERSHOLD LIGHT LENS PER B737-800 AMM 33-29-00.Aug 12, 2022 · N519AS · Boeing 737890 · Emergency LightingSDR ASAA2022080939446Overheat · warning lightRIGHT SIDE WINDOW OVERHEAT LIGHT CAME ON. GROUNDED - YES. NOTED BY MAINTENANCE NO HISTORY FOR 30 DAYS.Aug 9, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022072639210Processor · faultyTHE CENTER TANK FUEL QUANTITY AND TOTALIZER BLANKED MULTIPLE TIMES DURING FLIGHT. GROUNDED - YES. AIR TURNBACK - REPLACED FUEL QUANTITY PROCESSOR UNIT REF. B737-800 AMM 28-41-81-400-801.Jul 26, 2022 · N519AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022072539198Indicator · no indicationCENTER FUEL INDICATION WENT BLANK ALONG WITH FUEL TOTALIZER ON CENTER SCREEN. HAPPENED AT LEAST TWICE DURING CRUISE. GROUNDED - YES. FAULT MSG 28-41309, 28-41315 PERFORMED FQIS BITE REF B737-800 FIM 28-41 TASK 801. FOUND NO FAULT 28-41309 IN HISTORY, NO CURRENJul 25, 2022 · N519AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2022071039025Battery Pack · failedON WALKAROUND FOR EMERGENCY LIGHT CHECK, FOUND LIGHTS OUT AT SEATS 20C AND 23C, AND L/H AFT OVERWING EMERGENCY EXIT LIGHTS. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK OF M1670 REF B737-800 AMM 33-51-06-960-805. EMERGENCY LT OPS AT 20C, 23C, AND L/H AFT Jul 10, 2022 · N519AS · Boeing 737890 · Emergency LightingSDR ASAA2022070638972Guide Vane · crackedREF ASA T/C#78472022 #2 ENGINE SPECIAL DETAILED INSP (SDI)(BORESCOPE). FOUND MULTIPLE CRACKS ON STAGE 1 LPT NOZZLE GUIDE VANES ON SEGMENTS 2,4,11,12,13,14,15,19. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE. TRANSFERRED TO SHOP W/O 1916680.Jul 6, 2022 · N519AS · Boeing 737890 · Turbine SectionSDR ASAA2022070638974Transmitter · leakingREF ASA T/C #78472022 #2 ENG SPECIAL DETAILED INSP.(SOI)(BORESCOPE). FOUND FUEL FLOW TRANSMITTER LEAKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG FUEL FLOW TRANSMITTER REF. B737-800 AMM 73-31-01. LEAK CHECK GOOD.Jul 6, 2022 · N519AS · Boeing 737890 · Engine Fuel Indicating SystemSDR ASAA2022070638957Coupler · failed# 1 HF RADIO FAILED AT CRUISE, WILL NOT TRANSIMIT. GROUNDED - YES. OBSERVED INTERMITTENT TRANSMIT. ACCOMPLISHED HF COMM BITE REF B737-800 FIM 23-11-00. NO FAULTS RETURNED. PER HISTORY AND OBSERVED INTERMITTENT TUNING AT MULTIPLE FREQUENCIES REPLACED #1 HF COUPJul 6, 2022 · N519AS · Boeing 737890 · HF Communications SystemSDR ASAA2022070538960Sensor · faultyRIGHT SIDE WINDOW OVERHEAT ON DESCENT LIGHT EXTINGUISHED WITH QRH. GROUNDED - YES. ACCOMPLISHED WHCU BITE REF B737-800 FIM 30-41 TASK 801. NO ACTIVE FAULTS. RECOVERED MULTIPLE RH WINDOW SENSOR FAULTS PREVIOUS FLT LEGS. ACCOMPLISHED FIM 30-41-811. SWAPPED WINDOJul 5, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022070538956Transceiver · inoperativeHF 1 RADIO RECEIVE ONLY. UNABLE TO TRANSMIT. GROUNDED - YES. #1 HF WOULD NOT TEST. REMOVED AND REPLACED # 1 HF TRANSCEIVER PER B737-800 AMM 23-11-21. HF 1 TRANSMITS BUT RECEIVES GARBLED. FLIGHT VERIFICATION SUCCESSFUL, #1 AND #2 HF TRANSMIT/ RECEIVE NORMAL.Jul 5, 2022 · N519AS · Boeing 737890 · HF Communications SystemSDR ASAA2022070438923Overheat · warning lightRIGHT SIDE WINDOW OVERHEAT CAUTION LIGHT ILLUMINATED INFLIGHT (FL 350, SAT -49C. GROUNDED - YES. FOLLOWED QRH PROCEDURES FOR RESET. LIGHT REMAINED EXTINGUISHED.Jul 4, 2022 · N519AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2022061038621Lamp · inoperativeDURING WALK AROUND INSPECTION FOUND OVER WING EMERGENCY LIGHT INOP LEFT SIDE. GROUNDED - YES. RELAMPED LEFT AFT OVERWING EMERGENCY EXIT DOOR LIGHT REF B737-800 AMM 33-51-04. OPS CHECK GOOD.Jun 10, 2022 · N519AS · Boeing 737890 · Emergency LightingSDR ASAA2022043038165Unknown · unknownZONE TEMP 'CONT CABIN' LIGHT ILLUMINATES ON RECALL & EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE PER B737-800 FIM 21-61-00-810-801.#2 CONTROLLER LOGGED FLIGHT DECK TRIM VALVE FAULT. RESET ON "VERIFY TEST" FAULT Apr 30, 2022 · N519AS · Boeing 737 · Cabin Temperature Control SystemSDR ASAA2022021637446Unknown · unknownWEATHER RADAR RT CIRCUIT BREAKER POPPED. GROUNDED - YES. RESET WEATHER RADAR RT. C/B D-13-P6-1 PANEL PER B737-800 AMM 20-60-05. C/B REMAINS CLOSED. PERFORMED WXR SYSTEM TEST PER AMM 34-43-00. OPS CHECKED GOOD. GROUND VERIFICATION COMPLIED WITH.Feb 16, 2022 · N519AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2022010437081Snubber · inoperativeL-1 DOOR IS HARD TO CLOSE. GROUNDED - YES. REMOVED AND REPLACED L-1 DOOR SNUBBER IAW B737-800 AMM 52-11-51OPS CHECK GOOD NO FURTHER DEFECTS NOTED.Jan 4, 2022 · N519AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2021120136796Processing Unit · faultedCENTER TANK FUEL IS EMPTY FOR THIS FLIGHT. ON TAXI OUT, GOT FMC MESSAGE VERIFY FUEL AND GROSS WEIGHT ON TAXI OUT CENTER TANK QUANTITY INDICATOR BLANKED, JUST BEFORE RETURNING TO GATE, CENTER TANK QUANTITY INDICATOR RETURNED. GROUNDED - YES. REMOVED FUEL QTY PRDec 1, 2021 · N519AS · Boeing 737890 · Fuel Indicating System
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