# SDR SWAA2022020886619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2018
- Submitted: February 8, 2022
- Operation: Air carrier
- Aircraft: N763SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27877
- Aircraft time: 63,712 hours, 37,161 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- Condition: Corroded
- Location: Aft 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/SWAA2022020886619

## Discrepancy

AAI INSPECTION: AFT CARGO LOWER SILL WEB NEEDS REMOVED TO ACCESS REPAIR AT STA 798-817 FOR AGING ACFT INSPECTION UPON REMOVAL FOUND CORROSION ON UPPER SURFACE / REMOVED CORROSION ON UPPER SURFACE OF AFT CARGO LOWER SILL WEB ORIGINAL THICKNESS .045' MATERIAL REMOVED .006' ; MATERIAL REMAINING .039' MATERIAL IS OUT OF LIMITS IAW SRM 53-60-15-1A-1 REMOVED AND REPLACED AFT CARGO LOWER SILL WEB IAW SRM 51-40-02-0G-0 & BOEING DWG 146A8123 ATAG#WN7393

---
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.