# SDR AMTA200301127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2003
- Submitted: September 30, 2003
- Operation: Air carrier
- Aircraft: [N163AT](https://openairdocs.org/aircraft/N163AT), registered now
- Make and model: Lkheed 10113853
- Aircraft serial: 1229
- Engine: Rroyce RB211*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 2
- Stage of operation: CL
- How discovered: 9
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200301127

## Discrepancy

NR 2 ENGINE INDICATES HIGH VIBS ON BOTH CHANNELS, VIBS ARE LOW SIDE AND FOLLOW THE THROTTLES.  ENGINE VIBE ON TAKEOFF WERE 2.3 ON B-CHANNEL AND 2.4 ON A-CHANNEL.  DURING CLIMB, VIBE DECREASED TO APPROX 1.5 BOTH CHANNEL.  PERFORMED TRIM BALANCE PER M11-72-52.  OK FOR SERVICE.  AVM SURVEY NORMAL.  TRIM RUN .6 LOW.  (M)

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