# SDR 2025FA0000641

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2025
- Submitted: September 12, 2025
- Operation: General aviation
- Aircraft: [N312AK](https://openairdocs.org/aircraft/N312AK), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317305015
- Aircraft time: 23,767 hours
- Engine: Lyc TIO540J2BD
- Engine time: 17,923 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Connecting Rod
- Part number: AEL12186
- Part serial: LOT7365073000
- Condition: Failed
- Location: Nr 6 Cylinder
- Stage of operation: CR
- How discovered: O
- Nature of condition: T
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000641

## Discrepancy

NR 6 CONECTING ROD FAILED IN FLIGHT.

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