# SDR HYIA20170705004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2017
- Submitted: July 5, 2017
- Operation: Air carrier
- Aircraft: [N258PB](https://openairdocs.org/aircraft/N258PB), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0336
- Aircraft time: 35,441 hours, 32,608 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 512215556
- Condition: Cracked
- Location: Rt Wing
- Part time: 35,441 hours, 32,608 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20170705004

## Discrepancy

DURING A ROUTINE INSPECTION, A CRACK WAS IDENTIFIED IN THE RT CLOSEOUT RIB AT RWS 106.79.  ON REMOVAL, IT WAS NOTED THAT THE FASTENER HOLE WHERE THE CRACK STARTED FROM WAS NO LONGER IN TOLERANCE FOR THE LOCK FASTENER THAT WAS PREVIOUSLY INSTALLED THERE.

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