# SDR MTNA0902110001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2011
- Submitted: September 2, 2011
- Operation: Air carrier
- Aircraft: [N812FX](https://openairdocs.org/aircraft/N812FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 404
- Aircraft time: 26,756 hours, 26,630 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Housing
- Part number: S57112322200
- Condition: Corroded
- Location: Wing
- Part time: 26,756 hours, 26,630 cycles
- 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/MTNA0902110001

## Discrepancy

CORROSION OUT OF LIMITS PER SRM 57-14-12 ON HOUSING SURFACE FOR PANEL 522CT AND 622CT.  REPAIRED IAW ATR STRUCTURAL REPAIR APPROVAL SHEET NUMBER DO/TS-4852/11.

---
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.