# SDR HYIA20200508004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2020
- Submitted: May 8, 2020
- Operation: Air carrier
- Aircraft: [N375R](https://openairdocs.org/aircraft/N375R), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4020468
- Aircraft time: 30,263 hours, 38,252 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Fitting
- Part number: 529202924
- Condition: Cracked
- Location: Rt Nacelle
- Part time: 12,074 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/HYIA20200508004

## Discrepancy

WHILE PERFORMING LIGHTED BORESCOPE INSPECTION PROCEDURE AS OUTLINED IN TEXTRON MEL-54-02R2 TO SATISFY AD2017-10-09, A CRACK WAS IDENTIFIED IN THE OUTBOARD RADIUS OF THE RIGHT HAND OUTBOARD NACELLE FITTING. THIS CRACK MEASURES .300 INCHES LONG AND IS CONSISTENT WITH OTHERS FOUND USING THIS TECHNIQUE. THIS FITTING HAS BEEN REMOVED AND REPLACED WITH SUPERSEDED PART NUMBER 5292029-32.

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