JASC 7320

Service difficulty reports · 4,393

Reports filed under 7320 · Fuel Controlling System, 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 = '7320'
  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 MASA2021012200025Fadec · faultedRT ENGINE FLAMEOUT 10000FT (EMER DECLARED). REPLACED RT FADEC.Jan 22, 2021 · N951LR · Cndair CL6002D24SDR FDEA202101210162Engine · power lossON TAKE OFF ROLL NR 1 ENGINE WAS SLOW TO COME TO TAKEOFF POWER. DURING FLIGHT WITH THROTTLES ALIGNED, NR 1 ENGINE N1 WAS 10% BEHIND THE OTHER ENGINES. ON GROUND AFTER LANDING ENGINE NR 1 WAS 900 LBS FUEL FLOW WHILE ENGINES NR 2 & NR 3 WERE 1300-1500 FUEL FLJan 21, 2021 · N313FE · Doug MD1030FSDR ASAA2021012033938Sensor · faultyWHILE PERFORMING T/C 78273000 FOUND NR 2 ENGINE FAULT MESSAGE NR: 75-30802 T25 SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER T/C 78-273000. GROUNDED-YES. REMOVED PT25 SENSOR, REF B737-900 AMM 73-21-02-000-801-F00. INSTALLED T25 SENSOR, REF AMM 73-21-02Jan 20, 2021 · N434AS · Boeing 737990ERSDR ASAA2021011933903Fault Code · false activationWHILE ACCOMPLISHING TASKCARD 78273000 FOUND MESSAGE NR 73-20202 INTERNAL EEC FAULT LONG TIME FAULT DEFERRED, PER T/C 78273000 ON ENGINE 2. GROUNDED-YES. REF B737-800 FIM TASK 73-21 TASK 801 FOR FAULT CODE FAULT CODE IS 73-20202, MAINTENANCE MESSAGE DOES NOT Jan 19, 2021 · N594AS · Boeing 737890SDR UIEA2021011900087Warning Message · false activationEICAS AND STATUS MESSAGE: "RT ENGINE CONTROL" AFTER LANDING, REF B767 FIM 73-21-00-815-825-N00. FIM STATES ACCOMPLISH PIMU BIT. ACCOMPLISHED BIT, PER B767 FIM 71-01 FAULT TREE 803, BIT TEST OK, NO CURRENT FAULTS. OK TO CONTINUE.Jan 19, 2021 · N662GT · Boeing 76731ASDR HALA2021012000009Eec · defectiveATB - INFLIGHT SEL FADEC ALT AND ENGINE L SYSTEM FAULT WITH ACCOMPANYING LOUD BANG FROM ENGINE. REMOVED AND REPLACED NR 1 ENGINE EEC, IAW AMM 73-21-01/401. SECURITY CHECK GOOD. OPERATIONS CHECK GOOD. PERFORMED IDLE RUN, TEST GOOD.Jan 19, 2021 · N479HA · Boeing 717200SDR DALA2021011900333Eec · faultedDUE TO AUTO-THROTTLE INOPERATIVE ALONG WITH VNAV DATA ISSUES AND SPEED RESTRICTED. CORRECTIVE ACTION: FOUND LEFT ENGINE EEC FAULT, REPLACED LEFT ENGINE EEC AND FMC PER B767AMM. DURING OPERATIONAL CHECK, FOUND LEFT ENGINE CHANNEL A BLANK. PIMU FAULTS CHANNELJan 17, 2021 · N181DN · Boeing 767332SDR UIEA2021011400057Warning Message · false activationRT ENGINE CONTROL EICAS MESSAGE UPON LANDING. PERFORMED PIMU BITE TEST, IAW FIM 73-21 FT 826. SYSTEM TEST OK.Jan 14, 2021 · N662GT · Boeing 76731ASDR ASAA2021011333870Fault Code · activatedWHILE ACCOMPLISHING T/C 78273000, FOUND NR 1 ENGINE FAULT CODE 73-10201. INTERNAL EEC FAULT. LONG TIME FAULT. NO ENGINE CONTROL LIGHT. GROUNDED-YES. CW B737-900 FIM 73-21 TASK 801. EEC TEST, ACTUATORS TEST AND GROUND ENGINE RUN REVEALED NO CURRENT FAULTSJan 13, 2021 · N479AS · Boeing 737990ERSDR UIEA2021010700016Eec · malfunctionedR ENG EEC EICAS MESSAGE ( ELECTRONIC ENGINE CONTROL (EEC) SYSTEMS, EEC NORM MODE (CF6 FADEC) )(<P>TRANSFERRED TO MDDR 140560 CAT C DUE DATE 16 JAN 21 MEL 73-21-01-03 CAT 3 RESTRICTED</P><P>DATE 7 JAN - LP 1246285 ITEM 3 - ONT- TROUBLESHOT PER FIM 73-21 FT 874 Jan 6, 2021 · N1997A · Boeing 76733ASDR ASAA2021010433827Pressure Switch · inoperativeNR 2 ENGINE CDU TASK CARD SHOWS LONG TIME FAULT MESSAGE NBR 73-21072 FUEL FILTER SIGNALS DISAGREE. GROUNDED-YES. REMOVED AND REPLACED FUEL DIFF PRESS SW AND FUEL FILTER, REF B737-800 AMM 73-34-01 AND AMM 73-11-02. LEAK AND OPERATIONS CHECK GOOD.Jan 4, 2021 · N535AS · Boeing 737890SDR ASAA2021010333819Sensor · defectiveT3 SENSOR WILL NOT ACCCEPT J10 HARNESS CONNECTOR. GROUNDED-YES. REMOVED AND REPLACED T3 SENSOR NR 2 ENGINE, REF B737-900 AMM 73-21-07 INSTALLATION TEST PASS.Jan 3, 2021 · N413AS · Boeing 737990ERSDR DALA2021010204367Eec · malfunctionedTHE NR 1 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO BECOMING UNRESPONSIVE TO THE CREW. THE QRH WAS COMPLIED WITH. THE ENGINE WENT TO IDLE AND WOULD NOT RESPOND THEREAFTER. MAINTENANCE ACCOMPLISHED A WINDMILL INSPECTION, PER B757 AMM 72-00. ALL CHIP DETECTORS WERDec 30, 2020 · N670DN · Boeing 757232SDR HALA2020122900228Control Unit · defectiveETOPS-BTB AFTER NR 1 ENGINE START ECAM ENGINE NR 1 CTL SYS FAULT, PER MOC SHUT DOWN NR 1 ENGINE RESTART SAME FAULT. REMOVED AND REPLACED LT ENG VSV CONTROL UNIT, PER AMM A330 75-33-51. OPERATIONS CHECK GOOD LEAK CHECK GOOD RAN NR 1 ENGINE NO FAULTS OK FOR SEDec 28, 2020 · N386HA · Airbus A330243SDR UIEA2020122702618Pimu · malfunctionedAFTER RT ENGINE START, RT ENGINE EEC IN ALT MODE. TRANSFERRED TO DMI 140096, IAW DDG/MEL 73-21-01-03. CAT C DUE 06JAN21. MCC NOTIFIED. PLACARD INSTALLED. A/C CAT III RESTRICTED. REMOVED AND REPLACED L ADC (OFF PART: PN 4040800-906, SN 93103896, PER FIM TDec 27, 2020 · N1997A · Boeing 76733ASDR UIEA2020121302550Status Message · false activationRT ENGINE SPEED CARD STATUS MESSAGE AFTER ENGINE START. PERFORMED FIM 73-21 F/T 871, SYSTEM IS OK. NO FURTHER FAULTS NOTED.Dec 13, 2020 · N1321A · Boeing 767306SDR SWAA2020121536315Hmu · leakingSUSPECTED RIGHT ENGINE FUEL LEAK AT FL 370. FOLLOWED QRH AND SHUT RIGHT ENGINE DOWN. DIVERTED TO NEAREST SUITABLE AIRPORT. FOUND HMV FRONT DATA PLATE LEAKING AT VERY TOP 12 O'CLOCK POSITION. R & R NR 2 HMV, PER MT 773-21-10. PERFORMED NR 2 ENGINE ACTUATORDec 11, 2020 · N8527Q · Boeing 7378H4SDR ASAA2020121133688Hmu · leakingPILOT OBSERVED OIL DRIPS UNDER NR 1 ENGINE COWL. GROUNDED-YES. RUN NR 1 ENGINE AT IDLE, DID NOT OBSERVE LEAK FROM ANY DRAIN LINES, BUT LEFT SIDE OF ENGINE COWL WAS WET FROM ENGINE OIL POSSIBLE LEAK FROM HEAT EXCHANGER. FOUND HMU LEAKING ON NR 1 ENGINE. REMDec 11, 2020 · N584AS · Boeing 737890SDR 2HGR2020120801Fdu · malfunctionedAT LEVEL FLIGHT CREW NOTICED THE RIGHT ENGINE OIL LOW PRESSURE ILLUMINATED, FOLLOWED BY A LOSS OF N1 AND SUBSEQUENT AMBER LIGHTS INDICATED FOR GEN FAILURE AND HYDRAULIC LOW. CREW DECLARED AN EMERGENCY AS HAD LOST POWER FROM THE RIGHT ENGINE, THEN STARTED A DEDec 7, 2020 · N393SG · Cessna 525BSDR SWAA2020120834770Hmu · faultedBOTH ENGINES PRODUCED TAKEOFF POWER ON TAKEOFF, BUT ON CLIMB OUT APPROACHING 10,000 FEET A/T DISCONNECTED NR 1 ENGINE POWER NORMAL AT 94.5% AND NR 2 ENGINE WOULD NOT ADVANCE ABOVE 90% N1. ALL OTHER ENGINE INDICATIONS/OIL PRESSURE TEMP NORMAL. REMOVED AND REPDec 5, 2020 · N957WN · Boeing 7377H4SDR YENA2020120700566Fmu · failedFLT 1421, PHL-SJU. RETURNED TO FIELD. ON CLIMBOUT FUEL FLOW INDICATION INDICATED A FLUCTUATION OF BETWEEN 1800-8000 LB/HR ON ENGINE NR 2. PREVIOUSLY WRITTEN UP. R & R NR 2 ENGINE FMU, REF AMM 73-22-52. OPERATIONS CHECK OK. PERFORM HIGH POWER ASSURANCE RDec 1, 2020 · N562JB · Airbus A320232SDR YENA2020120700564Eec · failedFLT 942, LAX-RNO. DURING CLIMB OUT OF LAX ENGINE 1 ROLLED BACK TO NEAR IDLE. THEN RETURNED TO CLIMB POWER. AFTER LANDING ECAM, ENGINE 1 OVERSPEED PROT FAULT, PER 77-11-00-860-010A SWAPPED ENGINE NR 1 N1 PROBE TO SPARE PROBE, PER MCC REQUEST. R & R NR 1 ENGDec 1, 2020 · N556JB · Airbus A320232SDR AALA202012029014Hmu · inoperativeAIRCRAFT WAS GROUNDED. RT ENGINE DID NOT ACHIEVE TARGET N1 ON TAKEOFF WITH AUTOTHROTTLE ENGAGED. MANUALLY ADVANCED RT THRUST LEVER, NO ADDITIONAL THRUST PRODUCED. ON CLIMBOUT PAST 5000 FT, RT ENGINE OPERATED NORMALLY AND MATCHED LT ENGINE. REPLACED RT HYDRNov 30, 2020 · N951NN · Boeing 737823SDR SWAA2020112532432Hmu · inaccurateNR 2 ENGINE ROLL BACK. REMOVED & INSTALLED SERVICEABLE NR 2 ENGINE HMU AND FUEL PUMP. OPERATIONS/BITE NO FAULTS NOTED, PER MT 773-11-00 AND MT 773-21-10. RAR NR 79936 (PUMP) RAR NR 722012 (HMU) POS 2 PN: 442653 SN OFF: BECW3413 SN ON: BECW6032 POS 2 PN OFF:Nov 24, 2020 · N299WN · Boeing 7377H4SDR ASAA2020112333599Eec · faultedWHILE PERFORMING TC 7827300 FOUND NR 2 ENGINE FAULT CODE 73-30312 SHORT TIME FAULT START SIGNAL SWITCH AND ARINC BUS DATA DISAGREE. GROUNDED-YES. REMOVED & REPLACED NR 2 ENGINE EEC, PER B737-800 AMM 73-21-60/401. PERFORMED EEC TEST AFTER INSTALLATION, PER ANov 23, 2020 · N559AS · Boeing 737890SDR AALA202011259010Sensor · faultyAIRCRAFT WAS GROUNDED. RT ENGINE HAS LONG PERIODS OF N1 AND N2 FUEL FLOW FLUCTUATIONS AT FL390/.78M N1 RANGE 91.4 TO 95.0, FUEL FLOW RANGE 2.5 TO 3.1, THROTTLES SPLIT WITH AUTOTHROTTLE ON, CHANGED ALTITUDE TO FL330 WITH NO IMPROVEMENT. AT IDLE, AUTOTHROTTLE Nov 23, 2020 · N835NN · Boeing 737823SDR AALA202011259001Resolver · faultyAIRCRAFT WAS GROUNDED. RT ENGINE HAS LONG PERIODS OF N1 AND N2 FUEL FLOW FLUCTUATIONS AT FL390/.78M N1 RANGE 91.4 TO 95.0, FUEL FLOW RANGE 2.5 TO 3.1, THROTTLES SPLIT WITH AUTOTHROTTLE ON, CHANGED ALTITUDE TO FL330 WITH NO IMPROVEMENT. AT IDLE, AUTOTHROTTLE Nov 23, 2020 · N835NN · Boeing 737823SDR ASAA2020112033583Switch · failedNR 2 ENGINE "ENG VALVE CLOSED" LIGHT REMAINS ILLUMINATED BRIGHT BLUE WHEN START LEVER MOVED TO CUT OFF. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE HMU HPSOV SWITCH, REF B737-800 AMM 73-21-09-000/400-801-F00. NR 2 ENGINE HPSOV SWITCH CHECKS GOOD.Nov 20, 2020 · N592AS · Boeing 737890SDR HALA2020112000209Control Unit · defectiveETOPS, AFTER LANDING ECAM MESSAGE "ENGINE 2 CONTROL SYSTEM FAULT" LOG-PAGE UPDATED AT 18NOV20 0401 UTC. TROUBLESHOT, PER TSM 75-33-00-810-810-808-A. RECEIVED "TEST INCOMPLETE" DURING MCDY VSV TEST. 16 NOV 20 1533630. REMOVED AND REPLACED NR 2 ENGINE VSV CNov 18, 2020 · N374HA · Airbus A330243SDR ASAA2020111633565Control Unit · faultedAT CRUISE AT FL 360, MOMENTARY RED BOX AROUND N2 AND N1 VALUE FOR ENGINE 2 INDICATIONS. NO EXCEEDANCES OBSERVED. AFTER ENGINE SHUTDOWN AT THE GATE, THE NR 2 ENGINE N2 VALUE DISPLAY HAS A RED BOX AROUND IT. GROUNDED-YES. REF B737-900 FIM TASK 71-06 TASK 802Nov 16, 2020 · N440AS · Boeing 737990ERSDR IPXA2020111362321Tube · leakingINSPECTION TYPE: NA DIVERSION, AC OOS. EMERGENCY DECLARED, NO EMERGENCY EQUIPMENT USED. IN CLIMB & WHEN LEVEL AT FL350 HAD ENGINE INDICATIONS: LT ENGINE EPR 1.73, N1 96.5, EGT 669, N2 89, N3 89, FF 7.0; RT ENGINE EPR 1.71, N1 690, EGT 460, N2 72, N3 77, FF 2Nov 12, 2020 · N453UP · Boeing 75724APFSDR ASAA2020110933538Hmu · leakingDURING LEAK CHECK OF NR 2 ENGINE HMU LINE, FOUND NR 2 ENGINE HMU PAD DRAIN LINE DRIPPING FUEL BEYOND LIMITS, REF B737-800 AMM 71-71-00-200-801. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE HMU, REF T/C N8473000 & N8473001. OPERATIONS/LEAK CHECKS NORMAL.Nov 9, 2020 · N537AS · Boeing 737890SDR DALA2020110903638Hmu · power lossETOPS EVENT SLC-JFK. PERFORMED A REJECTED TAKE OFF AT 100 KTS DUE TO LEFT ENGINE LACK OF ACCELERATION. ENGINE WOULD NOT GO HIGHER THAN 87%. CORRECTIVE ACTION: MAINTENANCE REPLACED THE FUEL FILTER AND INSTALLED HMU. SYSTEM OPERATION IS NORMAL.Nov 4, 2020 · N1604R · Boeing 767332SDR AALA202011059010Fmu · leakingAIRCRAFT WAS GROUNDED. ON TAKE OFF ENGINE 1 OVER SPEED AND SUBSEQUENTLY ENGINE 1 FAILED AND SHUTDOWN. THE CREW RECEIVED ENGINE 1 FAIL MESSAGE ON ELECTRONIC CENTRALIZED AIRCRAFT MONITOR AND THE AIRCRAFT STARTED TO PULL TO THE LEFT. ENGINE FLAMED OUT AND WOULNov 4, 2020 · N813AW · Airbus A319132SDR ASAA2020110333482Fuel/Oil Cooler · leakingDURING WALKAROUND NOTED FUEL LEAKING FROM BOTTOM OF NR 2 ENGINE COWLING. EVIDENCE OF LEAK NOTED BELOW THE NR 2 ENGINE. GROUNDED-YES. OPENED COWLING FOUND STATIC FUEL DRIPPING FROM MAIN OIL HEAT EXCHANGER PAD DRAIN 36 DPM NOTED. LEAK WITHIN LIMITS, REF B73Nov 3, 2020 · N537AS · Boeing 737890SDR ASAA2020110133474Hmu · leakingNR 1 ENGINE HMU DRAIN LEAKING. GROUNDED-YES. REMOVED AND REPLACED NR 1 HMU, PER TASK CARD N8473001, N8473000. OPERATIONS CHECK GOOD NO DEFECTS NOTED.Nov 1, 2020 · N534AS · Boeing 737890SDR FDEA202010302723Compressor · stalledAFTER DEPARTURE PASSING 10,000 RECEIVED ENG #2 MODE FAULT FOLLOWED ECAM AND REDUCED POWER AND RESELECT N1 MODE. FAULT CLEARED AFTER 10 SECOND HAD SEVERE BANK AND YAW ON RIGHT SIDE.SUSPECT COMPRESSOR STALL. ACCOMPLISHED BORESCOPE AND ENGINE STALL INSPECTIOct 30, 2020 · N687FE · Airbus A300F4605RSDR JKIA20201029001Eec · faultyON APPROACH BACK TO FLL FROM SCHEDULED TEST FLIGHT FOR TROUBLESHOOTING, THE AIRCRAFT EXPERIENCED A COMPRESSOR STALL AND ENGINE FLAME-OUT OF THE RT ENGINE. THE CREW DECLARED AN EMERGENCY AND MADE AN UNEVENTFUL SINGLE ENGINE LANDING. TROUBLESHOOTING REVEALED TOct 24, 2020 · N50FW · Lear 60LEARSDR ASAA2020102233414Hmu · inoperativeNR 1 ENGINE HAD A HUNG START AT 47% N2. ACCOMPLISHED QRC/QRH. SECOND START WAS SUCCESSFUL. GROUNDED-YES. REMOVED AND REPLACED HMU ON ENGINE 1, REF T/C N8473000, AND N8473001 AND TSR 710214. OPERATIONS CHECK GOOD NO LEAKS NOTED.Oct 22, 2020 · N590AS · Boeing 737890SDR UIEA2020102402293Ecu · malfunctionedRT ENGINE CONTROL EICAS MESSAGE AFTER ENGINE START. REMOVED AND REPLACED ECU. OPERATIONS CHECKS NORMAL, IAW AMM 73-21-15. PERFORMED ENGINE RUN-UP, OPERATIONS CHECKS NORMAL. NO FAULTS NOTED, IAW AMM 71-00-00.Oct 22, 2020 · N1409A · Boeing 767306SDR ASAA2020102033398Gasket · leakingWHILE PREFORMING LEAK CHECK FOR TSR710795 FOUND STEADY FUEL DRIPPING BETWEEN THE FUEL PUMP AND THE HMU ON THE NR 1 ENGINE LEAK APPEARS TO BE COMING FROM HMU GASKET. GROUNDED-YES. WHILE PERFORMING IDLE LEAK CHECK, FOUND NR 1 ENGINE SERVO FUEL HEATER LEAKING. Oct 20, 2020 · N403AS · Boeing 737900ERSDR P5CA2020101290355Logic Card · malfunctioned"LT ENGINE SPEED CARD" STATUS MESSAGE DISPLAYED. REMOVED AND REPLACED LT ENGINE N2 SPEED CARD, IAW AMM 73-21-54. STATUS MESSAGE CLEARED. OPERATIONS CHECK GOOD.Oct 8, 2020 · N642GT · Boeing 7673Y0SDR ASAA2020100633336Sensor · faultedDURING PERFORMANCE TASK CARD 78273000 MESSAGE NR 75-10802 T25 SIGNALS DISAGREE SHORT TIME FAULT DEFERRED, PER T/C 78273000. GROUNDED-YES. EEC NR 2 FAULT HISTORY SHOWS MESSAGE 75-10802 RE-OCCURRING ON LEG 4 AND 8. NO CURRENT FAULTS. REPLACED NR 2 ENGINE PT2Oct 6, 2020 · N495AS · Boeing 737990ERSDR ASAA2020100133269Hmu · faultedON LINE-UP FOR TAKE-OFF, BEFORE POWER APPLIED, MASTER CAUTION-ENGINE CONTROL LIGHT NR 2 IN ALT AND LIGHT DID NOT EXTINGUISH. GROUNDED-YES. RAN B737-800 FIM TASK 73-00 TASK 801 EEC BITE SHOWS FAULTS 75-10582 AND 75-30532. RAN AFT TEST B737-800 AMM TASK 71-00Oct 1, 2020 · N564AS · Boeing 737890SDR AALA202009309018Ecu · malfunctionedAIRCRAFT WAS GROUNDED. DURING INITIAL TAKEOFF ROLL WITH TAKEOFF POWER SET, AIRCRAFT DEVELOPED ASYMMETRICAL POWER WITH NOSE TURNING 30 DEGREES LEFT OF CENTERLINE. TAKEOFF WAS REJECTED AT 60 KTS AND 105.2K. ENGINE NR 1 ELECTRONIC CONTROL UNIT REPLACED WITH NESep 29, 2020 · N703UW · Airbus A319112SDR KBAAF2000137Hmu · malfunctionedSTATEMENT FROM THE CREW: "WHILE IN DESCENT AT APPROXIMATELY FL 280 WITH A CLEARANCE TO DESCEND TO 16000, WE EXPERIENCED AN UNCOMMANDED ENGINE ROLLBACK ON THE LEFT ENGINE. WE DECLARED AN EMERGENCY WITH ABQ CENTER. THERE WERE NO ABNORMAL MESSAGE INDICATIONS. Sep 28, 2020 · N770TM · Amd FALCON2000SDR HALA2020092800188Eec · defectiveATB AT CRUISE JUST PRIOR TO DESCENT "SELECT FADEC ALTN" MSG CAME ON LT ENGINE PERFORMED QRH PROCEDURE. ATB TO HNL ADVISED BY MOC. PERFORMED BITE TEST OF EEC1, PER AMM TASK 73-21 TASK 816. RECEIVED FAULT CODE 732116 P20,T20 PROBE ELECTRICAL FAULT. 21569 092Sep 26, 2020 · N490HA · Boeing 717200SDR ASAA2020092233227Eec · faultedFOUND ENG NR 1 SHORT TIME FAULT 73-11281 EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. GROUNDED-YES. REMOVED & REPLACED NR 1 ENGINE EEC, REF B737-900 AMM 73-21-60. ALL INSTALLATION TEST PASSED. REPAIR CONFIRMATION TEST PASSED, REF B737-900 FIM Sep 22, 2020 · N487AS · Boeing 737990ERSDR ASAA2020092233222Eec · faultedFOUND NR 1 ENG SHORT TIME FAULT 73-20021 INTERNAL EEC FAULT. GROUNDED-YES. VERIFIED FAULT MSG STILL PRESENT ON RECENT. REMOVED & REPLACED NR 1 ENGINE EEC, REF B737-900 AMM 73-21-60. ALL INSTALLATION TEST PASSED.Sep 22, 2020 · N487AS · Boeing 737990ERSDR ASAA2020091933214Engine · faultedREF T/C 78273000 NR 2 ENGINE SHOW SHORT TIME FAULT 75-30802 "T25 SIGNAL DISAGREE". GROUNDED-YES. FAULT NOT CURRENTLY ACTIVE. FAULT ONLY PRESENT IN HISTORY ON LEG 10. AIRCRAFT HAS FLOWN 9 LEGS SINCE T25 REPLACEMENT. SHORT TIME FAULT REPORTED 2 DAYS AFTER TSep 19, 2020 · N419AS · Boeing 737990ER
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