# SDR SWAA2022020265446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2017
- Submitted: February 3, 2022
- Operation: Air carrier
- Aircraft: N562WN
- Make and model: Boeing 737790
- Aircraft serial: 30778
- Aircraft time: 54,882 hours, 25,795 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Keelbeam
- 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/SWAA2022020265446

## Discrepancy

(AFT CARGO BAY) CORROSION ON KEEL BEAM SPLICE AND AFT FASTENER; BS 727+6; LBL6; WL156 / CORROSION ON KEEL BEAM AND AFT FASTENER BS 727+6; LBL 6; WL 156. REMOVED CORROSION WEB 1.5' X 1.0' X 0.002. ORIGINAL THICKNESS 0.071' AND STRAP 1.0' X 1.0' X .005' ORIGINAL THICKNESS 0.125' NO ESTABLISH LIMITS GIVEN IN SRM 53-00-12-1A-1 FOR SECTION 46. REPAIRED PER ATS ER 17-04637 REV IR; AND SWA EA 1-753-31886 REV IR

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