# SDR 2017FA0000491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2017
- Submitted: September 14, 2017
- Operation: General aviation
- Aircraft: [N3TN](https://openairdocs.org/aircraft/N3TN), registered now
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft serial: 17263547
- Engine: Lyc O320E2D
- Engine time: 209 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Connecting Rod
- Condition: Misinstalled
- Location: Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000491

## Discrepancy

DURING INSPECTION OF CONNECTING RODS FOR AD2017-16-11, MSB 632B, AN  CONNECTING ROD BOLT WAS FOUND WITH INSUFFICIENT THREADS TO HOLD THE CONNECTING ROD TOGETHER.

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