# SDR SWAA2026020562930

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: February 5, 2026
- Operation: Air carrier
- Aircraft: [N947WN](https://openairdocs.org/aircraft/N947WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36924
- Aircraft time: 50,403 hours, 30,825 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold Web
- Part number: 654A000358
- 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/SWAA2026020562930

## Discrepancy

CORROSION ON FWD CARGO BAY SUB WEB THRESHOLD AT BS 440 - 490, RBL 25, WL 155.   REMOVED AND REPLACED THE SUB THRESHOLD WEB IAW SRM 51-40-02-0G-0, AND DWG 143A8330, REV B.

---
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.