# SDR 2023FA0000543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2023
- Submitted: September 15, 2023
- Operation: General aviation
- Aircraft: N5143U
- Engine: Lyc O360F1A6
- Engine time: 725 hours
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Exhaust Valve
- Part number: SL19001A
- Condition: Broken
- Location: Zone 400
- Part time: 725 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000543

## Discrepancy

PART OF THE EXHAUST VALVE HEAD BROKE OFF RESULTING IN COMPLETE ENGINE FAILURE AND LOSS OF AIRCRAFT .

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