JASC 7320

Service difficulty reports · 4,393

Reports filed under 7320 · Fuel Controlling System, newest first.

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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"

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SDR ASAA2020091743188Sensor · inoperativeNR 2 ENG SHOWS LONG TIME FAULT 75-10822 THE T25 SIGNAL IS OUT OF RANGE. GROUNDED-YES. PERFORMED B737-900 FIM 75-33 TASK 801 AND FOUND T25 SENSOR BAD. REMOVED AND REPLACED T25 SENSOR ON NR 2 ENGINE, PER B737-900 AMM 73-21-02. PERFORMED GOOD OPS TEST OF T25 Sep 13, 2020 · N419AS · Boeing 737990ERSDR ASAA2020091703186Sensor · inoperativeNR 2 ENG SHOWS SHORT TIME FAULT 75-30802 T25 SIGNALS DISAGREE. GROUNDED-YES. PERFORMED B737-900 FIM 75-33 TASK 801 AND FOUND T25 SENSOR BAD. REMOVED AND REPLACED T25 SENSOR ON NR 2 ENGINE, PER B737-900 AMM 73-21-02. PERFORMED GOOD OPS TEST OF T25 SENSOR, PSep 13, 2020 · N419AS · Boeing 737990ERSDR ASAA2020091423180Warning Light · false activationENG NR 2 ENGINE CONTROL LIGHT ILLUMINATED ON TOUCHDOWN. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 75-23 TASK 801 FOR ENGINE CONTROL CDU MESSAGE 75-20582. ACTUATORS TEST PASSED, LIGHT EXTINGUISHED. COULD NOT DUPLICATE FAULT WITH ENGINE RUN. FAULT INTERMITTSep 12, 2020 · N564AS · Boeing 737890SDR ASAA2020091083157Hmu · leakingNR 2 ENGINE FUEL LEAKING FROM COWL DRAIN. GROUNDED - YES. PERFORMED ENGINE VENTS AND DRAINS INSPECTION FOR THE NR 2 ENG, PER B737-900 AMM 71-71-00-200-801. FOUND FUEL DRIPPING FROM NR 2 ENG HMU PAD DRAIN AT 3 DPM. REPLACED NR 2 ENG HMU, PER T/C N8473000 ANSep 8, 2020 · N433AS · Boeing 737990ERSDR K11A2020082600009Eec · malfunctioned#1 ENGINE EGT REACHED 925 DEG. STOPPED IT IN LESS THAN 1 SECOND ON TAKEOFF. PERFORMED VISUAL INSPECTION OF ENGINE NR 1 INLET AND EXHAUST, IAW B737 AMM 72-00-00, NO DEFECTS NOTED AT THIS TIME. PERFORMED FURTHER TROUBLE SHOOTING UNDER RO 730-0626 AND KM34 NR NAug 26, 2020 · N730CK · Boeing 7374C9SDR ASAA2020082533076Connector · disconnectedDURING TAXI AFTER LANDING, FUEL FILTER BYPASS LIGHT ILLUMINATED ON NR 1 SIDE. NR 1 ENGINE OPERATING NORMALLY. GROUNDED - YES. PERFORMED B737-800 FIM 73-05 TASK 801 FAULT ISOLATION PROCEDURE, FOUND ELECTRICAL CONNECTOR FOR FUEL FILTER DIFFERENTIAL PRESS SWITAug 23, 2020 · N533AS · Boeing 737890SDR SWAA2020082611395Hmu · faulty@ FL340 NUMBER 1 ENG. N. BEGAN ROLLING BACK W/ A/T DISENGANGING. THROTTLE MANUALLY RETARDED TO 35 DEGREES/N1, ENG PARAMETERS FOLLOWS NORMALLY. @FL310 THROTTLE REPONSE WAS NORMAL, ENGINE RECOVERED A/T RE-ENGAGED ALL ENGINE INDICATION NORMAL FOR REMAINDER OF FLIAug 22, 2020 · N955WN · Boeing 7377H4SDR QMLA2020082020040Hmu · unserviceableAFTER ESTABLISHING CRUISE FLIGHT ON THE WAY TO A SCENE LOCATION AND NOT UTILIZING REMAINING POWER AVAILABLE PILOT PULLED MORE COLLECTIVE TO EXPEDITE EN-ROUTE TIME. ONCE REACHING APPROXIMATELY 85% TRQ, TRQ DROPPED WITHOUT PILOT MANIPULATION, OVERCORRECTED AND TAug 18, 2020 · N408LN · Bell 407SDR ABXA2020081903166Eec · malfunctionedAT FL 350 TAT-13, N1 FLUCTUATES BETWEEN 90.8- 92.4, EGT FLUCTUATES BETWEEN 657-668, N2 FLUCTUATES BETWEEN 95.6-97.0, FF AT 2.3, OIL PRESS 55, OIL TEMP 114,N2 VIB 0.8 (LT ENGINE READINGS). AIRCRAFT WAS GROUNDED AND LT ENG EEC DEFERRED, A/C RELEASED NO ETOPS MAug 17, 2020 · N317CM · Boeing 767338SDR ASAA2020081133013Hmu · leakingWHILE PERFORMING #2 ENGINE DRIVE PAD LEAK CHECK, FOUND #2 ENGINE HMU LEAKING OUT OF SIDE OF COVER. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE HMU REF T/C # N8473000 AND T/C # N8743001.Aug 11, 2020 · N459AS · Boeing 737990ERSDR UIEA2020081201743Eec · inoperativeLEFT ENGINE EEC C1 INOP (ELECTRONIC ENGINE CONTROL (EEC) SYSTEMS, EEC C1 FAULTS (CF6 FADEC))(<P>DEFERRED TO DMI 132560 IAW MEL 73-21-01-05, CAT "A" DUE 300HRS, NO PROCEDURES REQ'D, PLACARDS APPLIED. MX CTRL EDGAR DISPATCH TS 2018.</P><P>LP 1296659: ACCOMPLISHEAug 8, 2020 · N1489A · Boeing 76731KSDR UIEA2020080501711Switch · malfunctionedAFTER ENGINE START, IDLE DISAGREE EICAS MESSAGE. REMOVE AND REPLACE #2 ENG LH TR LOGIC SWITCH IAW 78-36-01-004-001; 78-36-01-404-008. OPS CHECK SATISFACTORY PER 71-00-862-053-H03 AND 71-00-00-862-020-H03 AND GROUND/APPROACH IDLE VERIFIED PER TRIM TABLE 71-01Aug 5, 2020 · N1373A · Boeing 76731KSDR FDEA202008021758Mec · malfunctionedHAD A MAX TAKE OFF POWER SETTING DUE TO AN ANTI SKID MEL. TAKE OFF POWER APPROX 113 N1. APPROACHING 120 KTS, FELT THE AIRCRAFT YAW TO THE RIGHT AND RECEIVED A RED ENGINE FAIL ANNUNCIATION ON THE GLARESHIELD. IMMEDIATLY REJECTED THE TAKEOFF. ONCE CLEAR Aug 2, 2020 · N319FE · Doug MD1030FSDR AALA202007279014Eec · inoperativeAIRCRAFT WAS GROUNDED: ON SHORT FINAL AUTOTHROTTLE OFF ECAM: #1 ENGGINE WENT TO IDLE #2 ENIGINE ENTERED THRUST LOCK: AUTOTHROTTLE DISCONNECTED, ENGINES RETURNED TO NORMAL OPERATION. REPLACED NR 2 EEC2 IAW AMM 73-22-34. GROUND OPERATIONAL CHECKED SATISFACTORY Jul 26, 2020 · N809AW · Airbus A319132SDR AALA2020072769003Eec · inoperativeAIRCRAFT WAS GROUNDED: DURING CLIMBOUT ECAM CAUTION ENGINE THRUST LOCKED DISPLAYED AND DISAPPEARED SEVERAL TIMES- DISCONNECTED AUTOTHROTTLE AND MOVED THRUST LEVERS THEN TURNED AUTOTHROTTLE BACK ON- OPERATED NORMALLY. REPLACED RIGHT ENG EEC IAW J/C 26L400073002Jul 24, 2020 · N970UY · Airbus A321231SDR UIEA2020072301606Warning Message · false activationLEFT ENG EEC C1 STATUS MESSAGE. COMPLIED WITH ENG RUNS IAW AMM 72-00-00. NO STATUS MESSAGE PRESENT. COMPLIED WITH A BITE OF THE LT PIMU IAW FIM 73-21 FT 885. NO MESSAGES PRESENT.Jul 22, 2020 · N1399A · Boeing 767306SDR SWIA2020072051339Line · brokenCREW REPORTED ON ARRIVAL, WHILE DESCENDING FROM 15K TO 11K FEET, NOT AT IDLE, THE RT ENG BECAME UNRESPONSIVE, NOTICEABLE LOSS OF POWER, FUEL FLOW WENT TO ZERO, FUEL SYNOPTIC PAGE SHOWED 300LB FUEL QTY DIFFERENCE BETWEEN LT & RT TANKS BUT STILL GREEN. CREW Jul 19, 2020 · N453SW · Cndair CL6002B19SDR SWAA2020072202618Hmu · malfunctionedCLIMBING THROUGH 12000 FEET, NR 2 N1 LAGGED TARGET N1 BY 4%. MANUALLY ADVANCING THRUST LEVER HAD NO INCREASE IN N1, SPLIT GRADUALLY DECREASED AND MATCHED TARGET N1 AT 30,000 FT. NO OTHER LIGHTS OR ABNORMAL INDICATIONS. AT 12000 NR 1 N1=94, NR 2 90, AT 17K, Jul 18, 2020 · N251WN · Boeing 7377H4SDR HALA2020071900149Fmu · leakingETOPS SIGNIFICANT SYSTEM, FUEL LEAKING FROM NR 2 ENGINE DRAIN MAST. MECHANIC FOUND LEAK COMING FROM FMU LINE. LINE DISCONNECTED FOR PARKING. RECONNECTED FMU LINE PER AMM 73-21-52-400-802-A. REMOVED AND REPLACED THE NR 2 ENGINE FMU IAW AMM 73-21-52-400-8Jul 18, 2020 · N393HA · Airbus A330243SDR W6JA20200711039Eec · malfunctionedPILOT REPORTED LT ENGINE PARAMETERS DIFFERENT THAN RT ENGINE, PARTICULARLY DESCRIBED AS LT FUEL FLOW DOWN TO 1250 LBS, HP DROP, LP DROP, AND HP VIBRATION WENT UP WITH THROTTLE MOVEMENT NOTED BETWEEN 0.48 AS HIGH AS 0.51 (THIS VIBE STILL WITHIN TOLERANCE/LIMIT)Jul 11, 2020 · N776RB · Gulstm GVSDR AALA2020071329008Ecu · inoperativeAIRCRAFT NOT GROUNDED - AUTO THROTTLE DISENGAGED WITH AUTO PILOT #2. MEL 22-06 AUTOTHRUST FUNCTION, AUTHORIZED 11JUL2020T2020Z. REPLACED PREVIOUSLY: 5CA1 RELAY (AALA202006279003), 5CA2 RELAY (AALA202007069001), FMGC #2 (AALA202007069004). REMOVED AND REPLACJul 11, 2020 · N721UW · Airbus A319112SDR AALA2020071319010Hmu · malfunctionedAIRCRAFT GROUNDED - ABORTED TAKEOFF - ENGINE NO. 1 WOULD NOT REACH TAKE-OFF THRUST, STALLED AT 85% N1. LOW SPEED REJECTED TAKE-OFF AT 70 KIAS (SECOND EVENT). REMOVED AND REPLACED HMU (HYDROMECHANICAL UNIT), ENGINE 1, PER JOB CARD 08L40073001, OPERATIONAL CHECKJul 10, 2020 · N942NN · Boeing 737823SDR AALA202007119009Sensor · defectiveAIRCRAFT GROUNDED - ECAM MESSAGE AUTOFLIGHT THRUST LOCK. REPLACED THE T-12 TEMPERATURE SENSOR (AALA202007119009), ACCOMPLISHED FAULT CONFIRMATION PER TSM 73-20-00-810-862-A. FAULT: ENG. 2, J9 WIRE HARNESS. REPLACED J9 HARNESS, ENGINE 2 (AALA202007119011) PER Jul 9, 2020 · N770UW · Airbus A319112SDR K11A202007028002Mec · failedDURING TAKEOFF, NR 1 ENGINE HIT 965 DEG. FOR 3 SECONDS UNTIL PULLED BACK. ENGINE WAS REMOVED AND SENT FOR A SHOP VISIT DURING SHOP VISIT, R & R THE EGT HARNESS, RERIGGED THE VSV, AND R & R THE MEC, ENGINE WAS REINSTALLED AND PAST ALL TESTSJul 2, 2020 · N734CK · Boeing 737436SDR AALA202007069001Relay · defectiveAIRCRAFT NOT GROUNDED, AT CRUISE FL 390 WITH AUTOPILOT 1 ON, AUTO THRUST DISCONNECTED, ENGAGED AUTOPILOT 2 AND REENGAGED AUTO THRUST, SYSTEM STAYED ON. INSPECTED AND CLEANED J3 HARNESS (ENGINE NR 2), OPERATIONAL CHECK NORMAL, PER AMM 71-51-43, ESPM 20-55-20, Jun 26, 2020 · N721UW · Airbus A319112SDR QMLA2020062620031Valve · malfunctionedDURING CRUISE FLIGHT IN ROUTE TO REQUESTING FACILITY, MED CREW REPORTED SMELLING JET FUEL IN THE CABIN. WE IMMEDIATELY CANCELED THE FLIGHT, LANDED ASAP AND SHUT DOWN AIRCRAFT. POST FLIGHT INSPECTION FOUND JET FUEL ON THE ENGINE DECK OF THE NUMBER 2 ENGINE ANJun 24, 2020 · N136MF · Urocop EC135T2SDR QXEA2020062300194Fadec · inoperativeENG 2 NO DISPATCH AND A/T FAIL ON LANDING. REMOVED FROM SERVICE. FOUND FAULT CODE 73216117E2B IN CMC. REPLACED #2 FADEC REF FIM TASK 72-00-00-810-804. NO FAULTS NOTED AFTER GROUND RUN OPS CHECK. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Jun 23, 2020 · N620QX · Emb ERJ170200LRSDR AALA202006299002Eec · defectiveAIRCRAFT WAS GROUNDED: #1 ENGINE ACCELERATES SLOWER THAN #2. MOST NOTICABLE WHEN SETTING TAKEOFF POWER. REPLACED THE FOLLOWING COMPONENTS ON THE LEFT HAND ENGINE; HYDROMECHANICAL UNIT (HMU) PER TASK CARD 73-94-12 (AALA202006249002), ENGINE FUEL PUMP PER AMM 73Jun 22, 2020 · N802NN · Boeing 737823SDR AALA2020062549002Hmu · defectiveAIRCRAFT WAS GROUNDED: NR 1 ENGINE ACCELERATES SLOWER THAN NR 2. MOST NOTICABLE WHEN SETTING TAKEOFF POWER. REPLACED THE FOLLOWING COMPONENTS ON THE LEFT ENGINE HYDROMECHANICAL UNIT IAW CARD 73-94-12 (AALA202006249002), ENGINE FUEL PUMP PER AMM 73-11-01 (AAJun 22, 2020 · N802NN · Boeing 737823SDR ASAA2020062132838Fault Message · false indicationFOUND NR 1 ENGINE WITH A SHORT TIME FAULT MESSAGE 75-10451. THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED TC 78273000 FOR NR 1 ENG FAULT MESSAGE 75-10451. FOUND NO CURRENT FAULTS. FOUND NO FAULTS IN FAULT HISTORY.Jun 21, 2020 · N428AS · Boeing 737990ERSDR SWAA2020082010007Hmu · slowWAIVE DESCENDING FOR TURBULENCE 400-380 NO PROBLEMS NOTED AFTER DESCENT AND LEVELING @ 380 ENGINE WAS SLOW TO POWER UP (AUTO THROTTLES ON) DESCENDED TO 360 AND #1 ENGINE WAS HOVERING @ 55% AND SLOWLY ROLLING BACK/DECENDED @ IDLE ENG FAIL LIGHT CAME ON /DECENDEJun 18, 2020 · N757LV · Boeing 7377H4SDR ASAA2020062232821Cdu · faultedNR 2 ENG FMC CDU FAULT NOTED 75-10592 (POSITION SIGNAL OUT OF RANGE). GROUNDED - YES. ON DEFERRAL.Jun 16, 2020 · N516AS · Boeing 737890SDR FDEA2020060541126Unknown · malfunctionedUNCOMMANDED THRUST ON NR 1 ENGINE PDIS 724 73-20 6735 04JUN20 MEM. WHILE AT CRUISE FL340 WITH MANUAL THROTTLES DUE TO ATS SYSTEM MEL'D. WHEN ADJUSTING POWER NOTICED NR 1 ENGINE WAS SLOWLY INCREASING POWER WHILE PULLING NR 1 THROTTLE BACK, EPR POINTER REDUCEJun 4, 2020 · N724FD · Airbus A300B4622RSDR CALA2020053101002Hmu · failedNUMBER ONE ENG FAILED AFTER GOING TO FLT IDLE. PERFORMED TASK CARD FIM 73-05-810-805-F00 NO VISUAL DAMAGE NOTED. BORESCOPE PERFORMED, NO DAMAGE FOUND. ON STARTUP OF NR 1 ENG WENT UP TO OPERATING PARAMETERS, AFTER NR 2 ENG START UP, NR 1 ENG LOST FUEL FLOW AMay 30, 2020 · N87507 · Boeing 737824SDR DXTA2020060103721Hmu · damagedDURING CRUISE FLIGHT, THE RIGHT ENGINE LOST APPROXIMATELY 1% N1 FOR ABOUT 30 SECONDS. THIS SAME LOSS WAS REPEATED AN ADDITIONAL TWO TIMES DURING CRUISE. THESE 1% LOSSES WERE FOLLOWED BY A 15% LOSS (85.3% TO 70%) OF RIGHT ENGINE N1. DURING DESCENT, R FADEC FAILMay 29, 2020 · N793QS · Bombdr BD1001A10SDR FDEA2020060390981Hmu · failedOPEN U DURING CLIMB DEPT KORD APPROX 5000 LOUD BANGING NOISE FOLLOWED BY YAW, A/P ENGAGED, LE N1 30%, FUEL FLOW APPROX. 4000PPH, RT ENG NORMAL, LT ENG BACK TO NORMAL. SECOND OCCURRENCE BANGING LOW N1 & FF ON LT ENG EICAS "L ENG HPSOV" ( SOUNDED LIKE COMPRESSOMay 19, 2020 · N144FE · Boeing 767300SDR ASAA2020052132742Mount · worn#2 ENGINE J-9 HARNESS CABLE DR-25 LOOSE GOING THROUGH HARNESS MOUNT AT 3 O'CLOCK LOOKING FWD AT STRUT FAIRING. GROUNDED - YES. TEMPORARILY REPAIRED HARNESS-TO-MOUNT INTERFACE GAP AT THE #2 ENGINE PER ASA EA 900ER-73EA-22724. HARNESS MOUNT P/N 340-099-503-0 TO May 19, 2020 · N474AS · Boeing 737990ERSDR ASAA2020052032735Clamp · looseWHILE WORKING TC 78472000 ON ENG #2-FOUND 2 HARNESS CLAMPS FWD OF THE 3 O'CLOCK STRUT FAIRING LOOSE. GROUNDED - YES. ON THE #2 ENGINE, TIGHTENED BOTH CLAMPS FORWARD OF THE 3 O'CLOCK STRUT FAIRING REF B737-900 AMM 73-21-06-400-802-F00.May 19, 2020 · N474AS · Boeing 737990ERSDR ASAA2020051632729Hmu · leakingFUEL LEAKING CONTINUOUSLY FROM #1 ENGINE HMU DRAIN LINE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HMU REF T/C N8473001May 16, 2020 · N587AS · Boeing 737890SDR ASAA2020052632732Switch · defectiveNUMBER 1 ENGINE FUEL SHUT-OFF VALVE INDICATOR REMAINED BRIGHT AFTER SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE HPSOV SWITCH IAW AMM 73-21-09-000/400-801-F00. OPS NORMAL, ENGINE START AND RUN HPSOV INDICATIONS NORMAL.May 15, 2020 · N585AS · Boeing 737890SDR ASAA2020051932732Unknown · malfunctioned#1 ENGINE FUEL SHUT-OFF VALVE INDICATOR REMAINED BRIGHT AFTER SHUTDOWN. GROUNDED - YES. ON DEFERRAL.May 15, 2020 · N585AS · Boeing 737890SDR AALA202005049007Interface Unit · defectiveAIRCRAFT NOT GROUNDED - ON TAKEOFF, 'AUTO FLT A/ THRUST OFF' ECAM NOTIFICATION. COULD NOT ENGAGE AUTO THRUST WITH EITHER AUTO PILOT ENGAGED. EVENTUALLY GOT AUTO THRUST TO ENGAGE WITH AUTOPILOT 1, BUT NOT AUTOPILOT 2. REMOVED AND REPLACED #2 ENGINE INTERFACE UNMay 3, 2020 · N573UW · Airbus A321231SDR UIEA2020050400942Solenoid Valve · faultyAFTER LEFT ENGINE SHUTDOWN INITIATED FUEL VALVE LEFT SIDE DID NOT CLOSE FOR FORTY SECONDS.(<P>REMOVED AND REPLACED LEFT ENGINE HP FUEL SHUTOFF SOLENOID VALVE IAW AMM 73-21-23. OPS CHECK GOOD.</P>)May 3, 2020 · N645GT · Boeing 767324SDR AALA2020050419009Hydromech Unit · unserviceableAIRCRAFT WAS GROUNDED. FLIGHT ABORTED TWO TAKE OFFS AT LOW SPEED ACCOUNT THE NUMBER TWO ENGINE WAS UNABLE TO ACHIEVE MAX THRUST. REMOVED AND REPLACED #2 ENGINE HYDROMECHANICAL UNIT AND FUEL PUMP PER WORK CARD 73-94-12 AND AMM 73-11-01. OPS AND LEAK CHECKS GOODApr 30, 2020 · N981NN · Boeing 737823SDR ASAA2020050132684Fuel · leakingDISCOVERED FUEL LEAKING FROM BOTTOM OF #2 ENGINE ON WALK AROUND. GROUNDED - YES. ON DEFERRAL.Apr 27, 2020 · N585AS · Boeing 737890SDR IPXA2020042954740Sense Line · looseINSPECTION TYPE:3CREJECTED TAKEOFF DUE TO ASYMMETRICAL ENGINE ACCELERATION.FOUND PT2 AND PT5 LINES LOOSE ON THE ENGINE EEC. TIGHTENED LINES AND PERFORMED ENG. RUNS,REF AMM 71-02-03-700-800. ENG. RUNS ARE GOOD.Apr 27, 2020 · N278UP · Doug MD11FSDR AALA202004219017Engine · power lossAIRCRAFT WAS GROUNDED: ON TAKEOFF, WHEN THRUST LEVERS WERE PLACED IN FLEX DETENT, THERE WAS A SIGNIFICANT DIFFERENCE IN ENGINE EPR. #1 EPR, WE BELIEVE ACHIEVED APPROX. 1.4, WHILE #2 ACHIEVED APPROX..1.2. REJECTED TAKEOFF APPROX. 70 KNOTS. REMOVED AND REPLACEDApr 20, 2020 · N839AW · Airbus A319132SDR UIEA2020042000775Eec · failedRH ENG EEC C1 STATUS MESSAGE. REMOVED AND REPLACED THE RT EEC IAW AMM 73-21-15. PERFORMED TEST 12 GROUND TEST EEC IAW AMM 71-00-00. PERFORMED ENGINE RUN IAW AMM 71-00-00. OPS CHECK GOOD.Apr 17, 2020 · N1499A · Boeing 767328SDR ASAA2020041402648Fault Code · false indicationNR 2 ENGINE FAULT CODE 75-10452, VBV POSITION SIGNALS DISAGREE. SHORT TERM FAULT DEFERRAL PER T/C 78273000. GROUNDED - YES. ACCOMPLISHED VBV SIGNALS DISAGREE FAULT ISOLATION SINGLE CHANNEL FAULT IAW FIM 75-32 TASK 803, ACCOMPLISHED EEC TEST IAW AMM 73-21-00 Apr 10, 2020 · N434AS · Boeing 737990ERSDR ASAA2020041332637Warning System · false activationAFTER LANDING NUMBER 2 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM TASK 73-00-801 AND ACT TEST PER B737-800 AMM 71-00-00-700-807-F00 TEST 12 AIRCRAFT OK FOR SERVICE.Apr 9, 2020 · N569AS · Boeing 737890
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