# SDR HYIA20201125001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2020
- Submitted: November 25, 2020
- Operation: Air carrier
- Aircraft: [N663AA](https://openairdocs.org/aircraft/N663AA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0123
- Aircraft time: 22,202 hours
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Fitting
- Part number: 081135010
- Condition: Corroded
- Location: Zone 100
- Part time: 22,202 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20201125001

## Discrepancy

DURING MAINTENANCE AN AREA OF CORROSION WAS VISUALLY IDENTIFIED ON THE RIGHT HAND LOWER FUSELAGE ATTACH FITTING (P/N: 0811350-10) ON N663AA.  THIS CORROSION MEASURES APPROXIMATELY .623 INCHES TALL, .252 WIDE, AND HAS A MAXIMUM DEPTH OF .034 AND IS LOCATED ON THE AFT FACE OF THE FITTING.  THIS FITTING HAS BEEN REMOVED AND WILL BE REPLACED USING NEW PARTS.

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