# SDR ASAA2026092569465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2026
- Submitted: October 30, 2026
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 69,988 hours, 21,532 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 147A571235
- Condition: Corroded
- Location: Zone 200
- 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/ASAA2026092569465

## Discrepancy

AFT WET AREA RT WEB BS 986 - 990, RBL 40 - 50 WAS CORRODED.  GROUNDED - YES.  REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1, REMOVED AND REPLACED WEB IAW SRM 51-40-02-0G-0.

---
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.