# SDR P5CA9800765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N857FT
- Make and model: Boeing 747132
- Aircraft serial: 20246
- Engine: Pwa JT9D7A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: CL
- Nature of condition: J, E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9800765

## Discrepancy

VIBRATION ON TAKEOFF.  RETARDED AND ADVANCED NR 2 ENG THROTTLE.  VIBRATION FOLLOWED THROTTLE MOVEMENT.  A/C PACKS WERE OFF.  REMOVED AND REPLACED NR 2 ENGINE PER MM 71-00-00.  OPS CHECK, LEAK CHECK ALL NORMAL ON ENG RUN-UP PER MM 71-00-00.

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