# SDR SWAA2021120142242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2021
- Submitted: December 1, 2021
- Operation: Air carrier
- Aircraft: [N7862A](https://openairdocs.org/aircraft/N7862A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 33009
- Aircraft time: 48,858 hours, 32,792 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2021120142242

## Discrepancy

AFT CARGO BAY DOOR CUT OUT INNER WEB IS CORRODED AT RBL 26; WL 160; STA 787+12; STA 787+15; STA 787+17 TO STA 807+15; STA 807+16 TO STA 807+19; STA 827 TO STA 827+3; STA 827+4; STA 827+6 TO STA 827+9. ; / [01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 787+12 RBL 26 WL 160. FOUND 0.015 REMOVED FROM ORIG 0.045 IN 1'X1' AREAS; FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1 USING DIAL DEPTH GAUGE ATS 1225 S/N UNKNOWN; [02] VERIFIED OUT OF LIMITS; [03] RECEIVED NEW SUBTHRESHOLD WEB P.O.# 840933; LOCATED DRILLED; DEBURRED; INSTALLED NUT PLATES PER SRM 51-40-05-0G-0; SRM %1-40-02-0G-0; DWG 146A8340.; [04] SHOULD BE SRM 51-40-02-0G-0.; [05] VERIFIED CORRECTIVE ACTIONS 3 AND 4

---
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.