JASC 7310

Service difficulty reports · 1,981

Reports filed under 7310 · Engine Fuel Distribution, 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 jasc_code = '7310'
  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 ASAA2023022042055Pump · faultyON START ENGINE #1 AUTOSHUTDOWN. GROUNDED - YES. REPLACED #1 ENG FUEL PUMP & HMU REF ASA T/C N8473000, N8473001N, N8473002N, AND N8473003 (REF TSR713881).Feb 20, 2023 · N565AS · Boeing 737890SDR AALA202302223439Fuel Filter · cloggedAIRCRAFT WAS NOT GROUNDED: ENGINE 2 FUEL FILTER CLOG AFTER TAKEOFF. WARNING CLEARED AFTER 5 MINUTES. MAINTENANCE REPLACED FUEL FILTER PER AMM 73-11-10-000-004A, AMM 73-11-10-400-004A AND TSM 73-00-00-810-876-A.Feb 19, 2023 · N165US · Airbus A320*SDR ASAA2023021641974Pump · leakingFUEL LEAKING FROM #1 ENGINE DRAIN MAST UPON ARRIVAL. GROUNDED - YES. GROUND RUN #1 ENG. FOUND FUEL LEAK AT DRAIN LINE (FUEL PUMP PAD) REF B737-9 AMM 71-00-00. REMOVED #1 ENGINE MAIN FUEL PUMP REF AMM TASK 73-11-01-000-801-G00. INSTALLED NEW #1 ENGINE MFP REF AFeb 16, 2023 · N915AK · Boeing 7379SDR AALA202302157387Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: #2 ENGINE FUEL FILTER CLOG ECAM MESSAGE. MAINTENANCE REPLACED THE #2 ENGINE FUEL FILTER PER AMM 73-11-10 (AALA202302157387) AND THE #2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-15. (AALA202302156180)Feb 14, 2023 · N107US · Airbus A320214SDR AALA202302156180Pressure Switch · fault messageAIRCRAFT WAS GROUNDED: #2 ENGINE FUEL FILTER CLOG ECAM MESSAGE. MAINTENANCE REPLACED THE #2 ENGINE FUEL FILTER PER AMM 73-11-10 (AALA202302157387) AND THE #2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-15. (AALA202302156180)Feb 14, 2023 · N107US · Airbus A320214SDR DALA2023021401139None · noneSHIP 3910 -IFSD- ENGINE SHUT DOWN DUE TO SUSPECTED RIGHT ENGINE FUEL LEAK. ENGINE WAS MANUALLY SHUT DOWN. CORRECTIVE ACTION: FOUND HMU LEAKING FROM DRAIN LINE DURING ENGINE RUN. R&R HMU PER B737 AMM 73-21. R&R FUEL PUMP PER B737 AMM 73-11.Feb 14, 2023 · N910DU · Boeing 100BOEINGSDR HYIA20230215002Fuel Rail · leakingPILOT REPORTED FUEL SMELL DURING FLIGHT. MAINTENANCE INSPECTED AND WHILE TROUBLESHOOTING FOUND RIGHT ENGINE INBOARD FUEL RAIL LEAKING AT WELD IN VICINITY OF #2 CYLINDER INJECTOR AT MALE B NUT. THE FUEL RAIL ASSEMBLY WAS REPLACED WITH NO FURTHER DEFECT NOTED. EJan 25, 2023 · N699CA · Tecnam P2012SDR CALA2023012500208Tube · leakingENG FAIL MESSAGE SHOWS OVER EGT INDICATION ENGINE 2 RT ENG FAIL UNABLE TO RESTART DIVERT TO KLAX 29-7300-3-0049,QTY :1 29-7300-3-0011,QTY :1 AS REQUESTED PERFORMED FIM TASK 73-05 TASK 805 STEP E(2) EEC BITE IMAGES ATTACHED. DAMAGED LEAKING FUEL LINE AND GASKEJan 25, 2023 · N77431 · Boeing 737924ERSDR NACA2023012390001Fuel Filter · not reportedRIGHT ENGINE FUEL FILTER. REMOVED AND REPLACED #2 ENGINE FUEL FILTER REF AMM 73-11-02, NO LEAKS NOTED AND NO MESSAGE ON EICAS. NO CONTAMINATION OR DEBRIS FOUND AT THIS TIME.Jan 19, 2023 · N321CM · Boeing 767323SDR ASAA2023011841595Valve · leakingDURING PDC WALK AROUND FOUND #2 ENGINE LEAKING FUEL. GROUNDED - YES. REMOVED AND REPLACED TRANSIENT BLEED VALVE PER B737-800 AMM 75-23-01-400-801-F00. ORIG SUB DATE: 1/23/2023Jan 18, 2023 · N570AS · Boeing 737890SDR AALA202301183582Fuel Filter · faultedAIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT WHILE CLIMBING THROUGH FL230 ECAM MESSAGE FOR ENGINE 2 FUEL FILTER CLOG CAME ON AT 13452 AND WENT OUT AT 14052 DURING CRUISE AT FL280. THE AIRCRAFT LANDED SAFELY AT DFW WITHOJan 16, 2023 · N9006 · Airbus A319115SDR AALA202301180848Pressure Switch · faultedAIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT WHILE CLIMBING THROUGH FL230 ECAM MESSAGE FOR ENGINE 2 FUEL FILTER CLOG CAME ON AT 13452 AND WENT OUT AT 14052 DURING CRUISE AT FL280. THE AIRCRAFT LANDED SAFELY AT DFW WITHOJan 16, 2023 · N9006 · Airbus A319115SDR AALA202301179447Warning Message · illuminatedAIRCRAFT WAS NOT GROUNDED: ENGINE 2 FUEL FILTER CLOG MESSAGE. MAINTENANCE REPLACED FUEL FILTER PER AMM 73-11-10. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.Jan 16, 2023 · N195UW · Airbus A321211SDR AALA202301046276Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: SHORTLY AFTER TAKE OFF ECAM ENGINE 2 FUEL FILTER CLOG ECAM CLEARED APPROXIMATELY 10 MINUTES LATER. MAINTENANCE REPLACED #2 ENGINE FUEL FILTER PER AMM 73-11-10 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.Jan 1, 2023 · N762US · Airbus A319112SDR CALA2023010200008Fuel Line · leaking50 MIN INTO FLT HAD FUEL DISAGREE-PROG PAGE 2. CONFIRM ED FUEL STREAMING FROM RT IAW CREW. FUEL STREAMING FROM RT ENGINE, FOUND O-RING AT HP INLET FLANGED CONNECTION OF GEAR DRIVEN FUEL PUMP DISPLACED ON NR 2 ENGINE. FOUND HP INLET AT FUEL PUMP FLANGE CONNJan 1, 2023 · N18112 · Boeing 757224SDR AALA202212281470Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: ENGINE #2 FUEL FILTER CLOG ECAM AT 1,500' AGL ON TAKEOFF AND IT WENT OUT AT 6,000' AGL. MAINTENANCE REPLACED #2 ENGINE FUEL FILTER PER AMM 73-11-10-400. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 71-00-00 WITH NO LEAKS OR Dec 25, 2022 · N157UW · Airbus A321211SDR ABXA20221227157Warning Message · illuminatedL ENG FUEL FILT EICAS / R ENG FUEL FILT EICAS DISPLAYED DURING CRUISE . AIRCRAFT DIVERTED TO SNN (SHANNON) AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT AND THE LEFT MAIN FUEL FILTERS IAW AMM 73-11-02. NO FAULTS FOUND ON REDec 24, 2022 · N390CM · Boeing 767338SDR NACA2022122703001Filter · faultedON CLIMBOUT, LEFT ENGINE FUEL FILTER EICAS MSG MOMENTARILY APPEARED. MSG DISAPPEARED AFTER 15 SECONDS. REPLACED LEFT ENGINE FUEL FILTER AND TESTED, NO LEAKS FOUND AMM 73-11-06 ETOPS GROUND VER COMPLIED WITHDec 23, 2022 · N321CM · Boeing 767323SDR ASAA2022111940869Fuel Heater · leaking#2 ENG FUEL SERVO HEATER LEAKING OUT OF TOP CAP. GROUNDED - YES. REMOVED AND REPLACED #2 ENG SERVO FUEL HEATER REF B737-900 AMM 73-11-07/401. LEAK CHECKED #2 SERVO FUEL HEATER DURING IDLE RUN. NO LEAKS NOTED.Nov 19, 2022 · N442AS · Boeing 737990ERSDR ASAA2022111940868Fuel Heater · leaking#1 ENG FUEL SERVO HEATER LEAKING OUT OF TOP CAP. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SERVO FUEL HEATER REF B737-900 AMM 73-11-07/401. LEAK CHECKED #1 ENG FUEL SERVO HEATER. NO LEAKS OR OTHER DEFECTS NOTED.Nov 19, 2022 · N442AS · Boeing 737990ERSDR AALA202210314732Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: ECAM ENGINE #2 FUEL FILTER CLOG IN FLIGHT AFTER CLIMB THRUST SELECTED. MAINTENANCE REPLACED #2 ENGINE FUEL FILTER PER TSM 73-00-00-810-858-A, AMM 73-30-00-040-042-A AND TASK CARD 26L4007-300-4. A SATISFACTORY LEAK / OPERATIONAL CHECK WASOct 28, 2022 · N921US · Airbus A300*SDR AALA202210176933Fuel Filter · cloggedAIRCRAFT WAS GROUNDED: ENGINE 1 FUEL FILTER CLOG ECAM ON TAKE OFF AND CLIMB. MAINTENANCE REPLACED ENGINE #1 FUEL FILTER PER AMM 73-11-10. (AALA202210176933) ALSO REPLACED #1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH (AALA202210179038) AND ACCOMPLISHED A Oct 14, 2022 · N183UW · Airbus A300*SDR AALA202210179038Switch · noneAIRCRAFT WAS GROUNDED: ENGINE 1 FUEL FILTER CLOG ECAM ON TAKE OFF AND CLIMB. MAINTENANCE REPLACED ENGINE #1 FUEL FILTER PER AMM 73-11-10. (AALA202210176933) ALSO REPLACED #1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH (AALA202210179038) AND ACCOMPLISHED A Oct 14, 2022 · N183UW · Airbus A300*SDR 9JLA2022101431626Flow Divider · leakingTHE FLIGHT CREW REPORTED OF FUEL DRIPPING FROM THE LEFT ENGINE WITH THE LEFT FUEL TRANSFER PUMP ON GROUND AND APU RUNNING. THE MAINTENANCE BASE DETERMINED THE LEFT ENGINE FLOW DIVIDER VALVE WAS DEFECTIVE. THE LEFT ENGINE FLOW DIVIDER VALVE WAS REMOVED, AND AN Oct 10, 2022 · N562JL · Cessna 560XLSDR AALA202210068444Fuel Filter · unserviceableAIRCRAFT WAS GROUNDED: CLIMBING BETWEEN FL350 TO FL360 #2 ENGINE SPOOL DOWN TO 40%. EMERGENCY DECLARED; FLIGHT DIVERTED TO PIT LANDING SAFELY. REPLACED #2 ENGINE FUEL FILTER PER JOB CARD 08T40073002. ACCOMPLISHED SATISFACTORY ENGINE POWER ASSURANCE RUN.Oct 4, 2022 · N822NN · Boeing 737SDR ASAA2022092040003Pump · leakingWHILE ACCOMPLISHING EXTERIOR CHECK OBSERVED ENG #2 LEAKING FUEL FROM DRAIN MAST. GROUNDED - YES. REMOVED AND REPLACED ENG #2 MAIN FUEL PUMP REF B737-9 AMM 73-11-01-400.Sep 20, 2022 · N934AK · Boeing 7379SDR ASAA2022091639989Servo · leakingSERVO FUEL HEATER LEAK. GROUNDED - YES. REMOVED AND REPLACED SERVO FUEL HEATER IAW B737-900 AMM 73-11-07-000-801-F00/AMM 73-11-07-400-801-F00. IDLE LEAK CHECK GOOD.Sep 16, 2022 · N462AS · Boeing 737990ERSDR AALA202208113583Filter · unserviceableAIRCRAFT WAS GROUNDED: RIGHT ENGINE FAILED ON CLIMB OUT. EMERGENCY DECLARED; FLIGHT RETURNED TO FCO LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202208100311: REPLACED RIGHT ENGINE FUEL METERING UNIT PER JOB CARD 72L40028001 (AALA202208100311); FUEL PUMP PER Aug 9, 2022 · N752AN · Boeing 737SDR AALA202208119446Filter · unserviceableAIRCRAFT WAS GROUNDED: RIGHT ENGINE FAILED ON CLIMB OUT. EMERGENCY DECLARED; FLIGHT RETURNED TO FCO LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202208100311: REPLACED RIGHT ENGINE FUEL METERING UNIT PER JOB CARD 72L40028001 (AALA202208100311); FUEL PUMP PER Aug 9, 2022 · N752AN · Boeing 777SDR NACA2022080100001Eicas · fault messageLEFT ENGINE FUEL FILTER EICAS MSG IN FLIGHT AND ON GROUND. ACCOMPLISHED FIM 73-11 FAULT TREE 803, NO CONTAMINATION FOUND ON FUEL FILTER. INSTALLED A NEW FUEL FILTER IAW AMM 73-11-02, ENGINE RUN FOR LEAK CHECK NO LEAKS.Aug 1, 2022 · N351CM · Boeing 767323SDR AALA202207294452Filter · contaminatedAIRCRAFT WAS GROUNDED: ENGINE#2 FUEL FILTER CLOGGED INDICATION ON TAKE OFF WENT OFF AFTER 3 - 5 MINUTES. REPLACED FUEL FILTER PER AMM 73-11-10.Jul 26, 2022 · N716UW · Airbus A300*SDR 7OKR202208053675Shaft · shearedTHE LEFT ENGINE HAD AN UNCOMMANDED DECELERATION ON APPROACH INTO KJAC. REMOVAL OF THE FUEL DELIVERY UNIT REVEALED THE GEARBOX DRIVE SPLINE SHAFT WAS SHEARED LEADING TO THE FUEL DELIVERY UNIT NOT BEING ABLE TO SUPPLY FUEL TO THE ENGINE.Jul 23, 2022 · N727KB · Beech 400ASDR AALA202208244229Fmu · noneAIRCRAFT WAS GROUNDED: ON CLIMB OUT RECEIVED ECAM MESSAGE ENGINE 1 COMPRESSOR VANE AND MESSAGE REQUIRING NO RAPID THROTTLE MOVEMENT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. THE CREW ALSO REPOJul 21, 2022 · N816AW · Airbus A319132SDR AALA202208248327None · noneAIRCRAFT WAS GROUNDED: ON CLIMB OUT RECEIVED ECAM MESSAGE ENGINE 1 COMPRESSOR VANE AND MESSAGE REQUIRING NO RAPID THROTTLE MOVEMENT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. THE CREW ALSO REPOJul 21, 2022 · N816AW · Airbus A319132SDR ASAA2022071339073Pressure Switch · faulty#1 ENG FILTER BYPASS LIGHT ON DEPARTURE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL/OIL HEAT EXCHANGER DIFFERENTIAL PRESS SWITCH. REF B737-9 AMM 73-11-12-000-801-G00/-400-801-G00.Jul 13, 2022 · N977AK · Boeing 7379SDR ASAA2022071339056Heat Exchanger · faultyTROUBLESHOOTING RECOMMENDATIONS FOR #1 ENGINE MAIN FUEL/OIL HEAT EXCHANGER FAULT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL/OIL HEAT EXCHANGER DIFFERENTIAL PRESSURE SENSOR REF B737-9 AMM TASKS 73-11-12-000-801-G00/-400-801-G00. OPS CHECK GOOD.Jul 13, 2022 · N977AK · Boeing 7379SDR ASAA2022070939019Fuel Heater · leaking#2 ENG SERVO FUEL HEATER SHOWS SIGNS OF LEAK. GROUNDED - YES. REMOVED #2 ENG SERVO FUEL HEATER REF ASA T/C N8473002. INSTALLED #2 ENG SERVO FUEL HEATER REF T/C 8473003 ETOPS GROUND VERIFICATION SUCCESSFUL.Jul 9, 2022 · N472AS · Boeing 737990ERSDR ASAA2022070939017Pump · damagedDURING REPLACEMENT OF #2 ENG HMU FOR DEFECT ASA 60490410, FOUND FUEL PUMP PAD BETWEEN HMU & PUMP TO HAVE DAMAGE. GROUNDED - YES. REMOVED #2 ENG FUEL PUMP REF ASA T/C N8473002. INSTALLED #2 ENG FUEL PUMP REF. ASA T/C N8473003 ETOPS GROUND VERIFICATION SUCCESSFUJul 9, 2022 · N472AS · Boeing 737990ERSDR ASAA2022062438799Servo · leaking#1 ENG FUEL HEATER SERVO LEAKING FUEL AT CAP. GROUNDED - YES. REMOVED AND REPLACED SERVO FUEL HEATER. PERFORMED LEAK CHECK. OPS/LEAK CHECK GOOD. REF B737-900 AMM 73-11-07.Jun 24, 2022 · N413AS · Boeing 737990ERSDR 2022FA0000307None · noneAFTER ENGINE START EICAS MSG LEFT AND RIGHT EEC MODE DISPLAYED WITH CA'S PITOT STATIC INSTRUMENTS ALL DISPLAYED OFF FLAGS- SELECTED ALL DATA AIR SWITCH/FIXED. AIRCRAFT RETURNED TO GATE AND GROUNDED BY MAINTENANCE. EEC MONITOR FAULT SHOWED NO FAULTS ON RIGHT AJun 23, 2022 · N390CM · Boeing 767381SDR ASAA2022062238758Pump · leaking#2 ENGINE LEAKING FUEL AT THE DRAIN MAST. FUEL IS COMING FROM THE ENGINE FUEL PUMP. GROUNDED - YES. REMOVED AND REPLACED FUEL PUMP ON #2 ENGINE IAW B737-9 AMM 73-11-01-400. PERFORMED LEAK CHECK. NO DEFECTS NOTED. A/C OK FOR SERVICE.Jun 22, 2022 · N933AK · Boeing 7379SDR ASAA2022060338559Drain Line · leakingDURING NO.1 ENGINE IDLE RUN FOUND FUEL LEAK FROM MAIN FUEL PUMP PAD DRAIN LINE (MORE THAN 90 DROPS/MIN). GROUNDED - YES. R/R #1 ENGINE MAIN FUEL PUMP IAW B737-9 AMM 73-11-01. OPS CHECK OK. NO LEAK NOTED. A/C OK FOR SERVICE.Jun 3, 2022 · N972AK · Boeing 7379SDR ASAA2022060138527Fuel Line · leakingVSV HEAD FUEL LINE LEAKS AT CONNECTION TO #2 ENG HMU. GROUNDED - YES. REPLACED #2 ENG HMU VSV HEAD FUEL LINE, AND UNION. LEAK CHECK GOOD REF B737-900 AMM 73-11-01-400-801-F00 AND B737-900 CMM 73-21-79.Jun 1, 2022 · N408AS · Boeing 737900ERSDR ASAA2022053038515Pump · leakingENGINE #1 DRIPPING FUEL FROM FUEL PUMP PAD DRAIN. GROUNDED - YES. RAN #1 ENGINE AT IDLE FOR 5 MINUTES. FOUND LEAK RATE TO BE 40 DROPS PER MINUTE. LEAK RATE FALLS BELOW THRESHOLD LIMIT OF 60 DROPS PER MINUTE. NO FURTHER ACTION REQUIRED REF B737-9 AMM 71-71-00-2May 30, 2022 · N920AK · Boeing 7379SDR ASAA2022052338425Servo · leakingWHILE ACCOMPLISHING LEAK CHECK PER ASA T/C 78424000 THE #1 ENGINE FUEL SERVO HEATER WAS LEAKING FUEL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FUEL SERVO HEATER. OPS CHECK GOOD. IAW B737-900 AMM 73-11-07.May 23, 2022 · N431AS · Boeing 737990ERSDR ASAA2022052138434Hmu · contaminatedDURING ASA T/C 78273000 FOUND ENG 2 SHORT TIME FAULT MSG NBR 75-10572 ON ASA W/O 1911060. GROUNDED - YES. CHECKED FAULT HISTORY, FOUND FAULT SHOWS ON FLTS: G,1,2,3 AND 6. REF B737-900 FIM 75-23 TASK 804, REMOVED CONNECTOR DP0501 AT HMU AND FOUND HMU SIDE OF SAMay 21, 2022 · N479AS · Boeing 737990ERSDR ASAA2022052138427Pump · leakingUPON TAXI IN NOTED FUEL LEAK AT #2 ENG GANG DRAIN. GROUNDED - YES. PERFORMED ENG DRAIN & VENT INSP PER B737-9 AMM 71-71-00-200-801-G00. DURING ENG RUN FOUND FUEL PUMP PAD DRAIN HAD STEADY STREAM OF FUEL. OUT OF LIMITS PER AMM. REMOVED AND REPLACED #2 ENGINE MAMay 21, 2022 · N934AK · Boeing 7379SDR ASAA2022051538355Valve · incorrectRIGHT ENGINE FUEL VALVE IN INCORRECT POSITION WITH START LEVERS IN OFF POSITION. GROUNDED - YES. PERFORMED ENG VALVE CLOSED FAULT ISOLATION IAW B737-900 AMM 73-06 TASK 804. R/H ENGINE AND HPSOV LIGHTS OPERATE CORRECTLY.May 15, 2022 · N493AS · Boeing 737990ERSDR ASAA2022051138264Pump · leakingUPON AIRCRAFT ARRIVAL, FOUND POSSIBLE FUEL LEAK COMING FROM #2 ENGINE. GROUNDED - YES. PERFORMED B737-9 AMM TASK 71-71-00 ENGINE VENT AND DRAIN INSPECTION ON #2 ENGINE. FOUND FUEL LEAKING FROM DRAIN MAST FUEL PUMP PAD. LEAK RATE BEYOND SERVICEABLE LIMIT. SUBTAMay 11, 2022 · N931AK · Boeing 7379SDR ASAA2022050838242Fuel Heater · leakingWHILE ACCOMPLISHING #1 ENG HMU AND FUEL SERVO HEATER LEAK CHECK FOUND SERVO FUEL HEATER CAP LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SERVO FUEL HEATER IAW B737-900 AMM 73-11-07 THROUGH STEP 3. E. 6. L. #1 ENG SERVO FUEL HEATER INSTALLATION TEST PASMay 8, 2022 · N477AS · Boeing 737990ER
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