# SDR ASAA2017101122361

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2017
- Submitted: October 31, 2017
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 43,096 hours, 12,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 147A571234
- 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/ASAA2017101122361

## Discrepancy

MAIN CABIN AT BS 989, LBL 30 WEB CORRODED. GROUNDED - YES. REMOVED CORROSION FROM WEB REF SRM 51-10-02 (LENGTH -1.9" X .84" WIDE) BEYOND ALLOWABLE LIMITS MORE THAN 50% LOSS OF MATERIAL (ORIG.020, REMOVED .012, REMAINING .008 REF BAC DWG 147A5712) REMOVED & REPLACED WEB REF SRM 51-40-02 & BACDWG 147A5700.

---
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.