# SDR SWAA2020100619626

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2020
- Submitted: October 6, 2020
- Operation: Air carrier
- Aircraft: N496WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32478
- Aircraft time: 54,479 hours, 32,341 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 947
- 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/SWAA2020100619626

## Discrepancy

CORROSION ON FUSELAGE FRAME AT BS 947; S-25R WL 162.  CORROSION ON FRAME FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENER HOLES, PER SRM 53-00-07-1A-1 FIG 102 DETAIL C.  REMOVED FRAME STR 23R-23L.  LOCATED, DRILLED, & INSTALLED NEW FRAME, PER SRM 51-40-02-0G-0; DWG 14700401; DWG 147A1047; DWG 147A0002.

---
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.