# SDR HYIA20190716001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2019
- Submitted: July 16, 2019
- Operation: Air carrier
- Aircraft: N26632
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0404
- Aircraft time: 34,529 hours, 33,819 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Fitting
- Part number: 529202909
- Condition: Cracked
- Location: Lt Nacelle
- Part time: 13,552 hours
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20190716001

## Discrepancy

DURING MAINTENANCE A CRACK WAS IDENTIFIED ON THE OUTBOARD LEG OF THE LEFT HAND OUTBOARD NACELLE FITTING (P/N 5292029-09.) THIS CRACK MEASURES APPROXIMATELY .149 IN LENGTH, AND WAS DISCOVERED USING THE LIGHTED BORESCOPE INSPECTION PROCEDURE AS OUTLINED IN MEL-54-02R2 TO SATISFY AD2017-10-09.  THIS CRACK IS CONSISTENT WITH OTHERS THAT HAVE BEEN IDENTIFIED USING THIS SAME INSPECTION PROCEDURE. THIS FITTING WITH BE REPLACED WITH FACTORY NEW PARTS.

---
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.