# SDR SWAA2025041407109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2025
- Submitted: April 14, 2025
- Operation: Air carrier
- Aircraft: [N212WN](https://openairdocs.org/aircraft/N212WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32485
- Aircraft time: 65,820 hours, 39,654 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold Web
- 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/SWAA2025041407109

## Discrepancy

CORROSION ON FWD CARGO COMPARTMENT SUB THRESHOLD WEB FROM STA 440+7 TO 480+4; RBL 29; WL 156.<[01] STEPS 1-3 COMPLETED.;[02] REMOVED AND REPLACED FWD CARGO COMPARTMENT SUB THRESHOLD WEB BS 440 TO BS 500 RBL 29; WL 156 IAW SRM 51-40-0; 51-40-02 AND DGW:143A8330 ID:0028 REV:-<BR>CARD COMPLETED;[03] CORRECTIVE ACTION ITEM 2 VERIFIED; CARD COMPLETE.

---
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.