# SDR 20010529SG003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2001
- Submitted: May 25, 2001
- Operation: Air carrier
- Aircraft: [N311EA](https://openairdocs.org/aircraft/N311EA), registered now
- Make and model: Lkheed 10113851
- Aircraft serial: 193A1012
- Engine: Rroyce RB21122B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010529SG003

## Discrepancy

ENGINE SHUTDOWN FOR HIGH VIBRATION INDICATION AT FL350.  IN CRUISE INDICATION 3 AND AMBER LIGHT.  BOTH A AND B PICKUPS.  LOW SELECTION INDICATES THIS PROBLEM.  TEST CARRIED OUT IAW 71-00-00 TEST 16.  ALL TRIM WEIGHTS REMOVED.  EPR 1.53=1.3 UNITS 90 PERCENT N1=1.0, 85 PERCENT = .8, 80 PERCENT = .4.  (M)

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