# SDR ASAA2026040765726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2026
- Submitted: April 28, 2026
- Operation: Air carrier
- Aircraft: [N528AS](https://openairdocs.org/aircraft/N528AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35695
- Aircraft time: 47,119 hours, 16,888 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 146A812325
- 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/ASAA2026040765726

## Discrepancy

AFT CARGO DOOR CUTOUT SUB SCUFF PLATE STRUCTURE HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT DOOR CUT OUT LOWER WEB. ORIG MATERIAL WAS .045" IAW B737-800 SRM 53-60-15-01-1. REMOVED .019", REMAINING IS .26" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REPAIRED AFT PIT DOOR CUT OUT LOWER WEB USING PN: 146A8123-25 IAW B737-800 SRM 51-40-02 AND SRM 51-40-05.

---
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.