# SDR CA160114001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2016
- Submitted: April 22, 2016
- Operation: General aviation
- Make and model: Wsk M-18A
- Registry model: [WSK M-18A](https://openairdocs.org/model/wsk-pzl-mielec-m-18a) (OpenAirDocs)
- Aircraft time: 2,528 hours
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Cotter Pin
- Part number: AN38023
- Condition: Defective
- Location: Lock Bolt
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA160114001

## Discrepancy

(CAN) IT WAS DISCOVERED WHEN SAFETY LOCKING A BOLT THAT A BATCH OF COTTER PINS WERE DEFECTIVE. THE PINS APPEAR TO BE BRITTLE AND WILL BREAK IF SPREAD. THIS COTTER PIN WAS PURCHASED.

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