# SDR DHL95706001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N706DH
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19192
- Engine: Pwa JT8D7B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: JT8D7B
- Condition: Failed
- Location: Nr 1
- Stage of operation: CL
- Nature of condition: E
- Precautionary procedure: A, J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL95706001

## Discrepancy

DURING DEPARTURE, EXPERIENCED MODERATE AIRFRAME VIBRATION.  RETARDED NR 1 THUST LEVER BELOW 75 PERCENT N1, VIBRATION STOPPED.  DURING CRUISE, VIBRATION APPEARED AT 90 PERCENT N1.  JETTISONED FUEL, PERFORMED AIR TURNBACK, LANDED WITHOUT INCIDENT.  REMOVED AND REPLACED NR 1 ENGINE, PER BOEING M/M.

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