# SDR I5PA2021011168803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2021
- Submitted: January 19, 2021
- Operation: Air carrier
- Aircraft: [N688SL](https://openairdocs.org/aircraft/N688SL), registered now
- Make and model: Boeing 757230
- Aircraft serial: 25140
- Aircraft time: 95,952 hours, 24,715 cycles
- Engine: Pwa PW2040
- System (JASC): [7732 · Engine Vibration Analyzer](https://openairdocs.org/jasc/7732)
- Part: Monitor
- Part number: 6670M2224
- Part serial: BF51
- Condition: Faulty
- Location: Eng Vibration
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2021011168803

## Discrepancy

ENGINE 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.

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