# SDR ASAA2017042720754

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: May 16, 2017
- Operation: Air carrier
- Aircraft: [N553AS](https://openairdocs.org/aircraft/N553AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 34594
- Aircraft time: 41,863 hours, 13,807 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A56766
- Condition: Corroded
- 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/ASAA2017042720754

## Discrepancy

MAIN CABIN INTERCOSTAL CORRODED AROUND FASTENER HOLES BS 951 - RBL 34, RBL 47. GROUNDED - YES. EVALUATED THE INTERCOSTAL AT BS 951.086, RBL 25 - RBL 47, FOUND TO BE OUT OF LIMITS IAW SRM 53-70-15. REMOVED AND REPLACED WITH NEW INTERCOSTAL IAW SRM 51-40-02 AND DRAWING 147A5650 REV- SHEET 44.

---
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.