# SDR UIEA2020042900918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2020
- Submitted: April 29, 2020
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- Aircraft time: 101,545 hours, 21,328 cycles
- Engine: Ge CF680C2B2
- System (JASC): [7732 · Engine Vibration Analyzer](https://openairdocs.org/jasc/7732)
- Part: Accelerometer
- Part number: 144955000702
- Part serial: VBRDP078
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020042900918

## Discrepancy

HIGH 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 IAW B767 AMM 77-31-02. OPS CHECKS GOOD. PERFORMED ENGINE RUN PER AMM 71-00-00. N2 VIB INDICATION NORMAL. THIS CLEARS DMMI 127716. DDG PROCEDURES REVERSED TO NORMAL CONFIG. PLACARDS REMOVED.</SPAN></P>)

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