# SDR ASAA2026091969407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2026
- Submitted: October 22, 2026
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 62,825 hours, 18,965 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A750136
- Condition: Corroded
- Location: Zone 100
- 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/ASAA2026091969407

## Discrepancy

FWD CARGO RT TRANSITION BS 500A TO 500I, CORRODED. GROUNDED - YES.  REMOVED CORROSION FROM RT TRANSITION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED IAW SRM 53-00-53-2R-5.

---
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.
