# SDR SWAA2022031047591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2019
- Submitted: March 10, 2022
- Operation: Air carrier
- Aircraft: [N441WN](https://openairdocs.org/aircraft/N441WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29837
- Aircraft time: 55,763 hours, 32,724 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- Condition: Corroded
- Location: Fwd Cargo Thresh
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022031047591

## Discrepancy

***CORROSION*** FCB DOOR CUTOUT SURROUND FLOOR THRESHOLD BS 440-492.5; RBL 26; WL 156 / REMOVED DAMAGED FWD CARGO BAY DOOR CUTOUT THRESHOLD BS440-492.5 RBL26 W/L156 LOCATED; DRILLED AND INSTALLED THRESHOLD WEB IAW SRM 51-40-02-0G-0. SRM 51-40-02-0G-0 AND DWG 143A8330

---
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.