# SDR RRXA98082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N991CF](https://openairdocs.org/aircraft/N991CF), registered now
- Make and model: Doug DC-8F-54
- Registry model: [Doug DC-8F-54](https://openairdocs.org/model/douglas-dc-8f-54) (OpenAirDocs)
- Aircraft serial: 45801
- Engine: Pwa JT3D3B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 4 Engine
- Stage of operation: CR
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RRXA98082

## Discrepancy

NR 4 ENG LOUD BANG, HEAVY VIBRATION, DECAYING N1, N2 AND INCREASING EGT, ACCOMPANIED BY VIOLENT YAW TO THE RIGHT.  HEAVY VIBRATION FELT WITH THROTTLE ADVANCEMENT.  PREPARED AIRCRAFT FOR THREE ENGINE FERRY, INSPECTED AIRCRAFT AND FOUND IT SAFE FOR THE FLIGHT INTENDED.  WRITE-UP STILL OPEN TILL ENGINE CHANGE.

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