# SDR SWAA2022021086438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2018
- Submitted: February 10, 2022
- Operation: Air carrier
- Aircraft: N762SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27876
- Aircraft time: 64,104 hours, 37,478 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Sill
- Condition: Corroded
- Location: Fed Threshold
- 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/SWAA2022021086438

## Discrepancy

***CORROSION*** FWD ENTRY DOOR INNER CHORD; ATTACHED ANGLE BS 312 -344 CORRODED / REMOVED CORROSION 12' X 1' X .010' ALLOWED 10% MATERIAL LOSS ORIGINAL MATERIAL THINKNESS IS .080' FOUND O BE OUT OF LIMITS PER SRM 53-10-15-1A-1 REPLACED ANGLE WITH NEW PER SRM 51-10-05 WILL BE INSTALLED ON NRC N129878

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