# SDR ASOA03683

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2003
- Submitted: February 11, 2004
- Operation: Air carrier
- Aircraft: N641AS
- Make and model: Aerosp ATR72
- Aircraft serial: 387
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crossbeam
- Condition: Corroded
- Location: Fs 36
- 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/ASOA03683

## Discrepancy

DURING A C-CHECK IN BNA, THE CROSSBEAM AT FS 36 BETWEEN THE LEFT AND RIGHT SIDE WALLS WAS FOUND TO BE CORRODED BEYOND LIMITS.  MAINTENANCE REPAIRED THE CROSSBEAM AT FS 36 BETWEEN THE LEFT AND RIGHT SIDE WALLS IAW SRM 51-24-00 AND 51-25-01.  (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.