# SDR MTNA20130904041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2013
- Submitted: October 4, 2013
- Operation: Air carrier
- Aircraft: [N920FX](https://openairdocs.org/aircraft/N920FX), registered now
- Make and model: Aerosp ATR-42
- Registry model: [Aerosp ATR-42](https://openairdocs.org/model/aerospatiale-atr-atr-42) (OpenAirDocs)
- Aircraft serial: 325
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Structure
- Condition: Corroded
- 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/MTNA20130904041

## Discrepancy

REMOVABLE ACCESS DOORS 522CT AND 622CT HOUSING HAD CORROSION BEYOND STRUCTURAL REPAIL MANUAL LIMITS.  REMOVED CORROSION IAW SRI DO/S-4620/13-20284.

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