# SDR 20001128AP011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2000
- Submitted: September 29, 2000
- Operation: Air carrier
- Aircraft: N355QS
- Make and model: Boeing 727-21
- Registry model: [Boeing 727-21](https://openairdocs.org/model/boeing-727-21) (OpenAirDocs)
- Aircraft serial: 19257
- Engine: Pwa JT8D7B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 2
- Stage of operation: CR
- 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/20001128AP011

## Discrepancy

FLT 705 - BWI-IND - IN CRUISE AT FLIGHT LEVEL 310, EXPERIENCED SUDDEN VIBRATION.  ALL ENGINE GAUGES AND PARAMETERS APPEARED NORMAL, BUT BY POWERING BACK ON NR 2 THE VIBRATION.  ALL ENGINE GAUGES AND PARAMETERS APPEARED NORMAL, BUT BY POWER BACK ON NR 2 THE VIBRATION WAS REDUCED.  REPLACED NR 2 ENGINE.  (M)

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