# SDR SWAA2021052609437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2020
- Submitted: May 26, 2021
- Operation: Air carrier
- Aircraft: [N8648A](https://openairdocs.org/aircraft/N8648A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42531
- Aircraft time: 21,266 hours, 9,375 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Gusset
- Condition: Corroded
- Location: Bs 767
- 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/SWAA2021052609437

## Discrepancy

AFT CARGO PIT R/H FLOOR STRUCTURE SHIELD; FWD ATTACH ANGLE AT STA 767 HAS CORROSION. RBL 21; WL 156.1 / REMOVED CORROSION FROM AFT CARGO GUSSET AT STA. 767 RBL 21 IAW B737 SRM 51-10-02 ORIGINAL MATERIAL THICKNESS .063 IAW BOEING DWG 146A8125 REV M MATERIAL REMOVED .008 REMAINING MATERIAL .055 GUSSET WAS FOUND OUT OF LIMITS IAW B737 SRM 53-60-15-1A-1 VERIFIED BY TOOL 36646 DUE 05OCT20 RECEIVED PART NEW PART 146A8125U39 ATAG# A56129 LOCATED DRILLED + DEBURRED GUSSET IAW B737 SRM 51-40-05 INSTALLED NEW GUSSET AT STA. 767 RBL 21 AST CARGO IAW B737 SRM 51-40-02

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.