# SDR TRBACPCP2010047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2010
- Submitted: September 16, 2010
- Operation: Air carrier
- Aircraft: N408AT
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 408
- Aircraft time: 30,942 hours, 31,005 cycles
- Engine: Pwa PW127
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- 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/TRBACPCP2010047

## Discrepancy

THIS IS A FINAL REPAIR OF CORROSION PREVIOUSLY FOUND DURING SCHEDULED MX PHASE CHECK, THE AREAS OF CORROSION WERE FOUND AT LT WING LOWER SURFACE AT T/E BETWEEN RIBS 9-10. COMPLIED WITH TDMI 570424 CORROSION FOUND ON LT AFT WING AREA BTW RIB 9-10 FINAL REPAIR, NO ADDITIONAL CORROSION FOUND. R & R FASTENERS ULTRASONIC & HFEC ROTOR INSPECTIONS TREATED PRIMED & PAINTED IAW AE EO E2-57MR-402 SRI DO/TS-3112/10-13634 SRAS DO/TA-4964/09, 5634 ISSUE C. ITEM TO REMAIN OPEN REINSPECT AT 2YR INTERVAL.

---
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.