# SDR SWAA2022022523049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2018
- Submitted: February 25, 2022
- Operation: Air carrier
- Aircraft: [N269WN](https://openairdocs.org/aircraft/N269WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32526
- Aircraft time: 41,580 hours, 24,569 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2022022523049

## Discrepancy

AFT CARGO; STA 767+5; RBL 21; LOWER DOOR SILL INTERCOSTAL HAS CORROSION ON UPPER AND LOWER SURFACE. / REMOVED CORROSION IAW SRM 51-10-02-0G-0 - VISUAL INSPECTION WITH A 10 MAG GLASS NO DEFECTS NOTED. ORIGINAL .071 REMAIN .020 LOSS .050 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED LOWER SILL INTERCOSTAL @ STA 767 + 5 RBL 21 IN AFT CARGO IAW BOEING DWG 146A8130 SHT 1 REV C AND SRM 51-40-02-0G-0. ATAG A77040 AAR TOOL 36647 CAL 10JUN19

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