JASC 7732

Service difficulty reports · 237

Reports filed under 7732 · Engine Vibration Analyzer, 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 = '7732'
  ORDER BY difficulty_date DESC"

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SDR ASAA2021030134234Harness · shortedDESCENDING THROUGH 9000' LEFT VIB WENT UP TO AT LEAST 4.9 WITH FLASHING BOX. A/T DISCONNECTED. ENGINES AT OR CLOSE TO IDLE. VIB DROPPED TO 3.9 THEN POWER WAS BROUGHT UP AND NORMAL FOR REMAINDER OF FLIGHT. GROUNDED - YES. FLIGHT LEG 6 OF FLIGHT HISTORY RECORDEDMar 1, 2021 · N564AS · Boeing 737890SDR UIEA2021021000271Monitor · malfunctionedLEFT ENGINE PEAK FAN VIB 5.0(<P>ITEM TRANSFERRED TO MDDR 142204 PER MEL 22-31-01-01, CAT C, DUE 19FEB21.</P><P>DATE 14 FEB 21 - LP 1253285 - ITEM 7 - RIV - REMOVED AND REPLACE ENGINE VIBE MONITOR IAW AMM 77-31-03-401. THIS CLEARS MDDR 142204.</P>)Feb 10, 2021 · N1181A · Boeing 7673Y0SDR R61A202101130029Engine · vibrationENGINE 2 LP VIBES AT 4.1. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. PERFORMED ENG 2 HIGH POWER RUNS, NO DEFECTS NOTED. PERFORMED VIBRATION RUNS, ALL INDICATIONS NORMAL.Jan 12, 2021 · N872RW · Emb ERJ170100SUSDR I5PA2021011168803Monitor · faultyENGINE VIB INDICATION INTERMITTENT. ON AND OFF DURING FLIGHT. CORRECTIVE ACTION: FOUND AVM IS BAD FROM STOCK. REMOVED AND REPLACED AIRBORNE VIBRATION MONITOR SIGNAL CONDITIONER, IAW AMM 77-31-02. OPERATIONS CHECK OK.Jan 11, 2021 · N688SL · Boeing 757230SDR I5PA2021010168801Signal Cond Unit · faultedDISCREPANCY MAINTENANCE MESSAGE "ENGINE VIB BITE". CORRECTIVE ACTION: REMOVED AND REPLACED AVM SIGNAL CONDITIONER, IAW AMM 77-31-00. TEST OK.Jan 1, 2021 · N688SL · Boeing 757230SDR UIEA2020120202502Accelerometer · malfunctionedDURING CLIMBOUT LPT VIB WAS ERRATIC, POINTER MOVED BETWEEN 0 AND 5.0 FOR APPROX ONE MINUTE. NO VIBRATION WAS FELT IN FLIGHT DECK VIBRATION IN CRUISE FAN 0.6 N2 0.9. ACCOMPLISHED ENGINE RUN OF BOTH ENGINES AND NO VIBRATIONS NOTED, REF AMM 71-00-00. OKAY FOR Dec 1, 2020 · N1229A · Boeing 767306SDR UIEA2020102902334Accelerometer · malfunctionedIN FLIGHT LEFT VIB INDICATOR ERRATIC INDICATIONS FROM .5-5.0 NO ACTUAL VIB FELT. ALL OTHER INDICATIONS NORMAL. TRANSFERRED TO MDDR 136877, IAW DDG 77-31-01 CAT "C", DUE 08NOV20. INSTALLED ALTERNATE/EXTERNAL NR 1 ACCELEROMETER, IAW AMM 77-31-01 (LT ENGINE). Oct 28, 2020 · N1093A · Boeing 76736NSDR UIEA2020081101738Warning Message · illuminatedBETWEEN 8000 + 10000 MSL LEFT ENGINE FAN VIBE INDICATED 4.2. PERFORMED T/S IAW FIM 71-05 FAULT 852 DETAILED INSPECTION #1 ENG INLET AND EXHAUST, NO DAMAGE NOTED. ENGINE NORMAL CONDITION AND ENGINE METAL DETECTORS OK.Aug 9, 2020 · N1373A · Boeing 76731KSDR UIEA2020072101592Accelerometer · malfunctionedLEFT ENGINE VIB INDICATION INOPERATIVE. R & R THE NR 1 ENGINE ACCELEROMETER IAW 77-31-02, AND PERFORMED ENGINE RUNS IAW 71-00-00, OPS CHECKED GOOD.Jul 21, 2020 · N1229A · Boeing 767306SDR UIEA2020072001585Indication Sys · false indicationDURING TAKEOFF AND CLIMBOUT THE LEFT VIBRATION INDICATOR PEGGED AT 5.0 UNITS FOR A COUPLE SECONDS THEN WENT AWAY, THEN CAME BACK, THEN WENT AWAY. PERFORMED TROUBLESHOOTING IAW FIM 71-05, FAULT TREE 852, AND PERFORMED AN ENGINE VIBRATION SURVEY IAW AMM 71-00-Jul 16, 2020 · N1093A · Boeing 76736NSDR UIEA2020042900918Accelerometer · faultyHIGH N2 VIBRATION READINGS NOTED ON ENG 1.(<P>RAN ENG AND FOUND INDICATION INTERMITTENT. PLACED INDICATION ON MEL 77-31-01-01, MDDR 127716, CAT 'C'. </P><P>LP <SPAN>1131038: </SPAN><SPAN>REMOVED AND REPLACED #1 ENGINE COMPRESSOR REAR FRAME ACCELEROMETER ASSY IApr 29, 2020 · N1373A · Boeing 76731KSDR UIEA2020032700561Monitor · faulty"ENG VIB BITE" EICAS MSG.(<P>ITEM TRANSFERRED TO MDDR 126309 IAW DDG 77-31-01, CAT C, DUE 05APR20. MCC NOTIFIED, PLACARD INSTALLED. VIBRATION INDICATING SYSTEM CONSIDERED INOPERATIVE. TI: ZH 1810Z.</P><P>REF LOG PAGE 1231752 ITEM M4; REMOVED AND REPLACED ENGINMar 26, 2020 · N1373A · Boeing 76731KSDR P5CA2020031900123Accelerometer · malfunctionedFOUND NO. 1 ENG N2 VIBRATION SENSOR FAIL.(<P>IAW AMM 77-31-02-004-001 AND 77-31-02-404-006 REV. 129 REPLACED THE ACCELEROMETER WITH SERVICEABLE PARTS FOR NO. 1 ENG. IAW AMM 71-00-00-712-168 REV. 129 PERFORM DRY MOTORING TEST, RESULT CONDITION NORMAL. COMPLETEDMar 15, 2020 · N647GT · Boeing 767306SDR P5CA2020031900130Signal Cond Unit · failedFOUND THE ENGINE VIBRATION MONITOR FUNCTION FAIL.(<P>IAW AMM 77-31-03-004-002-1-100, 77-31-03-404-004-1-100 REV. 129 REPLACED THE SIGNAL CONDITIONER. IAW AMM 77-31-00-715-001-1-100, 77-31-00-705-103-1-100 REV. 129 PERFORMED OPERATIONAL TEST AND SELF TEST. RESUMar 15, 2020 · N647GT · Boeing 767306SDR UIEA2020031000422Unknown · malfunctionedAT T/O AND CLIMB, POWER L ENGINE VIB 3.8 EVENT RECORDED.(<P>PERFORMED INSPECTION FOR ENGINE #1 IAW FIM 71-05 FT 853. NO DEFECTS NOTED AT THIS TIME PER FIM. THERE IS NO VIBRATION LIMITS DURING TRANSIENT (CHANGING ENGINE SPEEDS).</P>)Mar 9, 2020 · N1427A · Boeing 767306SDR UIEA2020011300058Unknown · malfunctionedDURING CLIMB OUT LEFT ENGINE VIB DISPLAYED 4.7 ON THE FAN, ENGINE SNAPSHOT TAKEN FL 31.1 AT 1010Z SAT -40 DURING CLIMB.(<P>LEFT ENGINE VIB BITE SELF TEST IS SATISFACTORY. NO MESSAGE AT THIS TIME. MAINTENANCE PAGE SHOWS 0+0 UNITS, WITHIN LIMITS I.A.W AMM 77-31-Jan 11, 2020 · N1013A · Boeing 76736NSDR UIEA2020010600014Unknown · malfunctionedLEFT FAN VIBRATION 4.5 DURING CLIMB TO LEVEL OFF. FAN VIB 1.2 DURING CRUISE.(<P>PERFORMED FIM 71-05 1852 UP TO SHORT 2 BLOCK 5. PERFORMED ENGINE RUN IAW B767 AMM 71-00-00. NO FAULTS NOTED. VIBRATION WITHIN LIMITS PER AMM 71-00-00.<BR /></P>)Jan 4, 2020 · N1013A · Boeing 76736NSDR UIEA2020010600021Unknown · malfunctionedL ENG FAN VIBRATION @ 4.3 DURING CLIMB - APPROXIMATELY 10 MINUTES FROM FL 200-FL 390.(<P>IAW AMM 71-00-00-862-020-803 PERFORMED FIM 71-05 FT 858 TO SHEET 2 BLOCK 3-25 AND SHEET 3 TO BLOCK 50. NO FAULTS NOTED. PERFORMED FIM 71-05 FT 852 UP TO SHEET 2 BLOCK 5 ANJan 3, 2020 · N1013A · Boeing 76736NSDR HALA2019111800488Engine · vibrationETOPS SIGNIFICANT SYSTEM - N1 VIB PEAKED AT 8.0 ON CLIMB OUT ADVISORY LIGHT BLINKING UNTIL TOP OF CLIMB. // PER ENGINEERING REMOVED ALL EXISTING WEIGHTS AND INSTALLED 10 WEIGHTS SPACE CENTER HOLES 46/47(HOLES 42 THUR 51)PER AMM 71-00-00-700-848A. HIGH POWER RUNov 16, 2019 · N373HA · Airbus A330243SDR SWIA2019102246555Warning Message · false activationN2 VIB MESSAGE CAME UP ON TAKE OFF ROLL. ABORTED TAKE OFF 80 KNOTS. BTMS WITHIN LIMITS FLT # 5946 CLOSED. NO DAMAGE NOTED. PERFORMED HIGH POWER ENGINE RUNS AND DID NOT GET VIBE INDICATION FOR N2. OPS CHECKS GOOD.Oct 21, 2019 · N870AS · Cndair CL6002B19SDR UIEA2019092805597Warning System · false activationDURING CLIMB POWER, LEFT ENGINE VIB REACHED 5.0 (FAN). (<P>PER FIM 71-05 FAULT TREE 856, INSPECTED ENGINE INLET/EXHAUST AND MASTER MAG PLUG. NO EVIDENCE OF DAMAGE FOUND. INSPECTION C/W, NO DEFECTS NOTED. </P>)Sep 28, 2019 · N1373A · Boeing 76731KSDR UIEA2019081505186Monitor · malfunctionedWHILE PERFORMING ENGINE RUNS, ENGINE VIBE BITE MSG SHOWS ON EICAS.(<P>REMOVED AND REPLACED ENG AVM IAW AMM 77-31-03. PERFORMED SATISFACTORY ENG AMM OPS CHK IAW AMM 77-31-00.</P>)Aug 14, 2019 · N1427A · Boeing 767306SDR AALA201908239041Monitor · unreliableAIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF RT ENGINE VIBRATION INTERMITTENT OVER 5 UNITS, ACCOMPLISHED ENGINE VIBRATION CHECKLIST RETURNED TO HNL. MAINTENANCE REMOVED AND REPLACED #2 ENG AVM ACCELEROMETER IAW AMM 77-31-01-404-020-R00. REMOVAug 8, 2019 · N195AN · Boeing 757223SDR UIEA2019072204818Monitor · faultyENGINE VIB BITE WILL NOT CLEAR EICAS MAINTENANCE MESSAGES. (<P>REPLACED EVM IAW AMM 77-31-03. OPS CHECK NORMAL, NO EICAS MSG AT THIS TIME. </P>)Jul 20, 2019 · N662GT · Boeing 76731ASDR GTIA2019071903491Warning System · activatedENG 1 N2 VIB INDICIATION WENT TO AMBER XX ON TAKEOFF ROLL THEN, ENG VIB SYS FAULT APPEARED ON INITIAL CLIMB CLEARED + REAPPEARED SEVERAL TIMES BEFORE LANDING ( ECAM INDICATIONS (LOWER DISPLAY) N2 VIBRATION )--Jul 19, 2019 · N604NK · Airbus A320232SDR CALA2019071501202Monitor · faultyENGINE VIBRATION VIBRATION HIGH ENGINE 1 ENG 1 VIB 3.3 ON CLB. 2.7 IN CRUISE. ENG 2 VIB 1.0 CRUISE. CAN FEEL VIB IN CNTRL COL. PERFORMED #1 ENG TRIM BALANCE VIB @ 2.5. NEXT ENG TRIM BALANCE NO DATA ACQUIRED. AVM COMP SHOWED DSP2 ERROR 22 AND ERROR 24 DURING Jul 15, 2019 · N27734 · Boeing 737724SDR CALA2019071501201Monitor · faultyENGINE VIBRATION VIBRATION HIGH ENGINE 1 ENG 1 VIB 3.3 ON CLB. 2.7 IN CRUISE. ENG 2 VIB 1.0 CRUISE. CAN FEEL VIB IN CNTRL COL. PERFORMED #1 ENG TRIM BALANCE VIB @ 2.5. NEXT ENG TRIM BALANCE NO DATA ACQUIRED. AVM COMP SHOWED DSP2 ERROR 22 AND ERROR 24 DURING FIJul 15, 2019 · N27734 · Boeing 737724SDR SIMA20190713001Warning System · activatedCLIMBING THROUGH FL220 ENG 2 LP VIBE AMBER AT 4.0. LEVELED OFF REDUCED THRUST PER QRH AND ENG 2 VIBE REDUCED TO GREEN, MID 3.4-3.6 AT 79% N1. UNABLE TO MAINTAIN MAX THRUST AND STAY GREEN. "TRANSFERRED TO NRWC 042-ORD-01186". C/A-REF NRWC 042T01186 FOR ACTION TJul 13, 2019 · N242NN · Emb ERJ170200LRSDR P5CA2019062860134Monitor · malfunctionedLEFT ENGINE VIBRATION, 5.0 AT IDLE DESCENT. REMOVED AND REPLACED AVM IAW AMM 77-31-03 CONDITIONER SELF TESTED GOOD. PERFORMED ENGINE VIBRATION SURVEY TEST 6 IAW AMM 71-00-00 (AFTER EVM REPLACEMENT). OPS CHECKED GOOD. FAN 0.8 - LPT - 0.1 - N2 - 1.08. ALL WIJun 26, 2019 · N642GT · Boeing 7673Y0SDR P5CA2019061800127Sensor · malfunctionedLEFT ENGINE VIBRATION MONITORING INOPERATIVE. REMOVED AND REPLACED ACCELEROMETER INDICATION, INCORRECT, SPORADIC, AND FLUTTERING. REMOVED AND REPLACED L/H ENG VIBRATION SENSOR IAW AMM 77-31-00. REMOVED AND REPLACED WIRE HARNESS FROM D4214P-J4214P IAW WDM Jun 18, 2019 · N642GT · Boeing 7673Y0SDR CA190524015Accelerometer · faulted(CAN) FLIGHT DIVERTED WITH RH ENGINE N1 VIBRATION `FLUCTUATIONS`. CORRECTIVE ACTION: INSTALLED THE RIGHT ENGINE VIBRATION ACCELERATOR REF: STEPS IN AMM 77-31-01 PERFORMED OPS CHECK REF: AMM 71-00-00 OPS CHECK GOOD AT THIS TIME (TC# 20190524015)May 22, 2019 · Cndair CL6002C10SDR UIEA2019051304197Signal Cond Unit · faultyLOGBOOK ITEM M4 ENG VIBE BITE ON EICAS UPON AC ARRIVAL (NO DMI)(<P>REMOVED AND REPLACED AVM SIGNAL CONDITIONER IAW AMM 77-31-03. PERFORMED SAT OPS CHECK IAW AMM 77-31-00. NO DEFECTS NOTED. LOG PAGE 1050353</P>)May 11, 2019 · N1373A · Boeing 76731KSDR AALA201905099008Signal Cond Unit · inaccurateAIRCRAFT WAS GROUNDED: PILOT REPORTS NO1 ENGINE VIB IN YELLOW IN CRUISE. PERFORMED QRH, WITH AUTO THROTTLE OFF BOTH SIDES INCREASED WHEN THRUST WAS INCREASED. LEFT SIDE LEVEL 2.8 RIGHT SIDE 2.4. MAINTENANCE REMOVED AND REPLACED THE LT AND RT AVM SIGNAL CONDITIMay 8, 2019 · N177AN · Boeing 757223SDR AALA201905139008Signal Cond Unit · inaccurateAIRCRAFT WAS GROUNDED: PILOT REPORTS NR 1 ENGINE VIB IN YELLOW IN CRUISE. PERFORMED QRH, WITH AUTO THROTTLE OFF BOTH SIDES INCREASED WHEN THRUST WAS INCREASED. LEFT SIDE LEVEL 2.8 RIGHT SIDE 2.4. MAINTENANCE REMOVED AND REPLACED THE LT AND RT AVM SIGNAL CONDITMay 8, 2019 · N177AN · Boeing 757223SDR UIEA2019032803673Unknown · malfunctionedRIGHT ENG FAN VIBRATION UP TO 4.0 IN CLIMB, CRUISE AND DESCENT(<P>PERFORMED GVI INSP OF RT ENG PER AMM 71-00-001 501 NO DEFECTS NOTED. PERFORMED AVM TEST IAW AMM 77-31-00 . NO DEFECTS NOTED</P>)Mar 28, 2019 · N1049A · Boeing 76736NSDR UIEA2019032803671Unknown · vibrationINFO TO MX, DURING PERIODS OF HIGH THRUST LEFT ENG FAN VIB INDICATED A VALUE OF 3.4 ABD A/C HAD NOTICABLE AIRFRAME VIBRATION.(<P>ACCOMPLISHED INSPECTION OF #1 ENGINE. NO DEFECTS NOTED AT THIS TIME IAW AMM 71-00-00-935-230.<BR /></P>)Mar 25, 2019 · N1399A · Boeing 767306SDR P5CA2019031400040Accelerometer · malfunctionedDURING CLIMB, R ENG FAN VIB REACHED 4.9. REPEAT WRITE UP, L ENG FAN VIB REACHED 2.5(<P>1. CHECK AVM NO FAULTS, 2. INSTALL ALTN EXTERNAL NR . ACCELEROMETER IAW AMM 77-31-01, 3. AVM OPERATIONAL TEST PASS.</P>)Mar 14, 2019 · N644GT · Boeing 7673JHFSDR SIMA20190215001Warning System · false activationENG NR 2 LP AT AMBER 4.0 HAD TO REDUCE THRUST PER QRH BACK TO NORMAL GREEN AREA. RETURNED TO DEPARTING AIRPORT. DEFERRED PER FMR REF ETN-EJ-72-004. TDMI AUTHORIZATION NUMBER 027T7756. COMPLIED WITH W/C,S EA72-00-00-012 AND EA72-00-00-013 VIBE CK GOOD ON RT ENFeb 15, 2019 · N227NN · Emb ERJ170200LRSDR SWIA2019011545443Conditioner · failedRECEIVED N2 VIB ON RIGHT ENIGINE. RAN QRH DID NOT SHUT DOWN ENGINE. DECLARED EMERGENCY. NORMAL LANDING. DIDN€™T SEE VIB ON THE GROUND AT ALL. (FLT 3942) CLOSED REMOVED AND REPLACED SIGNAL VIB. ENGINE CONDITIONER UNIT IAW AMM. RAN RIGHT HAND ENGINE IAW AMM. OPJan 11, 2019 · N931EV · Cndair CL6002B19SDR VNAA2019011111101Unknown · malfunctionedDURING CRUISE THE CREW REPORTED A RIGHT ENGINE VIB OF 1.9. ATC DECLARED AN EMERGENCY FOR THEM AND THEY LANDED IN DCA WITHOUT ISSUE. THE CREW GROUND RAN THE AIRCRAFT WITH MAITENANCE AND THE VIBE CHECK WAS WITHIN LIMITSJan 11, 2019 · N505AE · Cndair CL6002D24SDR AALA201812289008Engine · vibrationAIRCRAFT WAS GROUNDED. ENG #1 N1 VIBRATION 9.9 IN LEVEL FLIGHT AT 9000 FT 210 KTS, MILD VIBRATION FELT IN FLIGHT DECK. ACCOMPLISHED 1 SHOT TRIM BALANCE OF #1 ENGINE PER AIRBUS AMM 77-32-34-750-001A. ACCOMPLISHED TSM 77-00-00-810-864. GROUND RAN AIRCRAFT PER 71Dec 27, 2018 · N715UW · Airbus A319112SDR UIEA2018121702862Indication Sys · false indicationENG 3 FAN VIBRATION INDICATOR OF UP TO 4.5 DURING CLIMB NO PHYSICAL VIBRATION. INSPECTED INLET AND EXHAUST AREAS CHECKED FOR LOOSE DUCTS ON ENG AND NONE FOUND OK FOR SERVICE REF AMM 71-00-00.Dec 16, 2018 · N1619A · Boeing 7673Y0SDR CALA2018121102553Transmitter · inoperativeRT ENG VIB IND IN AMBER BAND HIGHEST NOTED APROX 3.4 REF FIM 77-31-00-815-807-R04 BLOCK 27 REPLACEMENT OF VIBRATION ACCELEROMETER. REPLACED ACCELEROMETER REF AMM 77-31-01-404-020-ROO. VIBRATION CKS GOOD HIGHEST VIB NOTED AT .07 DURING ENG RUN. ADD EMP:U00548Dec 10, 2018 · N18119 · Boeing 757224SDR UIEA2018102402335Status Message · false activationSTATUS MSG ENGINE VIB BITE. PERFORMED ENGINE VIB BITE PROCEDURE IAW AMM 34-41-00, 77-31-00 AND FIM 77-31. FOUND NO FAULT AND ERASED MESSAGE.Oct 24, 2018 · N1049A · Boeing 76736NSDR UIEA2018102402332Unknown · malfunctionedON CLIMB LT ENG VIBE 4.7 (FAN) RT ENG 2.6 (FAN), CRUISE LT 1.8 FAN / RT ENG 0.4 FAN. PERFORMED ENG RUN PER 71-00-00. LT ENG VIBE 0.5 FAN RT ENG VIBE 1.1 FAN. INSPECTED ENG PER FIM 71-05 FT 852 STEP 1 NO FAULTS NOTED. ENG RUN PERFORMED ON GND - OK.Oct 23, 2018 · N1381A · Boeing 767316SDR UIEA2018102202313Clamp · missingENGINE VIBE ON LEFT FAN EXCEEDED 4.0 DURING CLIMB. ACCOMPLISHED FIM 71-05 FT 852 - CREW REPORTED ENGINE VIBE WAS NORMAL AT CRUISE. FIM TASK NOTED B - LEVEL SHOULD BE CONSIDERED AT STABLE CONDITION. FOUND WIRE BUNDLE NR 1 ENG FAN ACCELEROMETER LOOSE AND MISSINGOct 22, 2018 · N1409A · Boeing 767306SDR UIEA2018101202248Unknown · malfunctionedNR 2 ENGINE FAN VIBRATION 3.4 IN CLIMB. NO FAULTS NOTED IN REF FIM 77-31 FT 803 AND FT 808.Oct 12, 2018 · N1361A · Boeing 76731BSDR AALA201810089052Accelerometer · defectiveAIRCRAFT WAS NOT GROUNDED: ENGINE N1 VIBRATION CYCLED DURING CLIMB, CRUISE, DESCENT, EVEN DURING IDLE DESCENT. TOTAL CYCLE TIME APPROXIMATELY 3 SECONDS EACH. INSTALLED ACCELEROMETER PER AMM 77-32-15. ACCOMPLISHED RUN PER AMM 71-00-00, ALL N1 INDICATION NORMAL.Oct 6, 2018 · N127AA · Airbus A321231SDR SWAA2018091925385Signal Cond Unit · faultyAIR TURNBACK/DECLARED EMERGENCY, UPON CLIMBOUT FROM KHOU NOTICED SIGNIFICANT ENGINE VIBRATIONS. R&R (AIRBORNE VIBRATION MONITOR SIGNAL CONDITIONER UNIT) AEUM PER AMM.Sep 19, 2018 · N7722B · Boeing 73776NSDR ASMF20180927020Monitor · failedAIRCRAFT RETURNED TO PLATFORM DUE THAT DURING TAXING THE RT ENGINE VIBRATION REACHED 5.2 UNITS. MAINTENANCE PERSONNEL PERFORMED VIBRATION ANALYSIS IAW FIM 77-31 TASK 803 PROCEDURE, SHOWING FAILURE CODE 43 ON AVM. AVM WAS REPLACED IAW AMM 77-31-03, SHOWING FEWESep 13, 2018 · N997AM · Boeing 73776Q
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