# SDR HYIA20170719002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2017
- Submitted: July 19, 2017
- Operation: Air carrier
- Aircraft: [N402VN](https://openairdocs.org/aircraft/N402VN), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0488
- Aircraft time: 33,693 hours, 33,010 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 512215556
- Condition: Cracked
- Location: Rt Wing
- Part time: 33,693 hours, 33,010 cycles
- Component: Wing Assembly, Cessna
- Component part number: 52220004
- 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/HYIA20170719002

## Discrepancy

DURING A ROUTINE INSPECTION, A CRACK (.250 IN LENGTH) WAS FOUND IN THE RT CLOSE OUT RIB (P/N 5122155-56.) THIS CRACK WAS FOUND IN THE FORWARD LOWER MOST HOLE OF THE FORWARD TRUNNION SUPPORT.  UPON REMOVAL, ALL FASTENERS HOLES WERE FOUND TO BE WITHIN TOLERANCE FOR THEIR ATTACHING HARDWARE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.