# SDR HYIA20260827001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N678JG](https://openairdocs.org/aircraft/N678JG), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0266
- Aircraft time: 35,487 hours, 21,463 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Fitting
- Part number: 529202922
- Condition: Cracked
- Location: Zone 400
- Part time: 15,544 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/HYIA20260827001

## Discrepancy

DURING MAINTENANCE, A CRACK WAS IDENTIFIED ON THE INBD LEG OF THE RT INBD NACELLE FITTING,  THIS CRACK MEASURES APPROXIMATELY .144 INCHES LONG 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 THE SAME INSPECTION PROCEDURE. THIS FITTING WILL BE REPLACED USING NEW PARTS.

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