# SDR USAA040459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2004
- Submitted: September 23, 2004
- Operation: Air carrier
- Aircraft: N612AU
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27124
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Fuselage
- Part time: 39,393 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/USAA040459

## Discrepancy

FOUND INTERCOSTAL CORRODED 2 SQUARE INCH AREA BY .020 INCH DEEP, BS 1161 TO 1681, BL 0.  CORROSION LEVEL 1, TASK NR C53-251-03 AND 252-03.  REMOVED AND REPLACED INTERCOSTAL PER SRM 51-10-2 AND 51-40-2.  (M)

---
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.
