# SDR CA980325007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 1998
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Hughes 369D
- Aircraft time: 7,175 hours
- Engine: Allsn 250C20B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Engine Bay
- Stage of operation: HO
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980325007

## Discrepancy

(CAN) PREVIOUSLY THIS AIRCRAFT HAD ENGINE ASSY REPLACED DUE TO A RAPID ENGINE DECELERATION ON 12/97. ENGINE WAS RE-INSTALLED AFTER HAVING A VIBRATION TESTCARRIED OUT. OTHER TESTS CARRIED OUT AND ENGINE RELEASED AS SERVICEABLE. AFTER FIVE HOURS OF AIRCRAFT TIME, A YAW CONDITION BELIEVED TO BE AN ENGINE DECELERATION WAS CONFIRMED. NO ENGINE PARAMETERS WERE NOTED AND NO ENGINE OUT WARNING SYSTEM ENGAGED.AIRCRAFT GROUNDED PENDING INVESTIGATION.

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