# SDR DALA2024110510672

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2024
- Submitted: November 5, 2024
- Operation: Air carrier
- Aircraft: [N3761R](https://openairdocs.org/aircraft/N3761R), registered now
- Make and model: Boeing 737832
- Aircraft serial: 29628
- Aircraft time: 73,124 hours, 27,608 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 2
- Stage of operation: DE
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024110510672

## Discrepancy

AIRCRAFT 3761, ON DESCENT INTO ANC @ FL340 NOTED BOTH POWER LEVERS MATCHED, LEFT ENGINE @ 90% N1, LEFT @ 60 % N1, AND ROLLED BACK. ACCOMPANYING AUDIBLE VIBRATION PERFORMED QRH, VIB WENT AWAY WITH THRUST LEVER CLOSED, VIB GAUGE NORMAL THE ENTIRE TIME. FA REPORTED VIBRATION. PAX VISUALLY NOTICED. CORRECTIVE ACTION: REPLACED NBR 2 ENGINE HMU, FUEL PUMP, EEC, AND BLEW OUT PS3 LINE. (LP 6350624, 0632393, 6350625)

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