# SDR AALA20120301024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2012
- Submitted: March 2, 2012
- Operation: Air carrier
- Aircraft: [N631AA](https://openairdocs.org/aircraft/N631AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 24589
- Aircraft time: 66,542 hours, 23,570 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: DEB11925
- Condition: Cracked
- Location: Fuselage
- 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/AALA20120301024

## Discrepancy

IN THE AFT CARGO, BELOW THE CABIN FLOOR THE INTERCOSTAL AT BUTTLINE 0, STATIONS 1580 TO 1600 IS CRACKED AT THE NUTPLATE.  REMOVED AND REPLACED INTERCOSTAL BETWEEN STATIONS 1580 AND 1600 BUTTLINE 0 PER SRM 51-10-02-0G, PARAGRAPH 9.

---
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.