# SDR USAA951121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N508AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23383
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 1136992
- Condition: Corrosion
- Location: Bs 328-344.17
- Part time: 27,759 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA951121

## Discrepancy

INT - DURING Q-3 CHECK VISUAL INSPECTION, FOUND 1 INCH BY 2 INCH CORRODED AREA IN 4 PLACES ON INTERCOSTAL BETWEEN BS 328 TO BS 344.17 AT LBL 10.  REPLACED INTERCOSTAL WITH NEW PART.  REPAIRED PER SRM 53-10-51.  LEVEL 1 CORROSION, CORROSION TASK NR C53-107-02.  (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, except the copies of manufacturers’ service documents, which belong to their rights holders.