# SDR SWAA2022032334259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2019
- Submitted: May 16, 2022
- Operation: Air carrier
- Aircraft: [N8309C](https://openairdocs.org/aircraft/N8309C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36985
- Aircraft time: 26,538 hours, 11,414 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- Part number: 654A000358
- Condition: Corroded
- Location: Fwd Cargo Thresh
- 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/SWAA2022032334259

## Discrepancy

FWD CARGO DOOR CUTOUT; LOWER DOOR SILL WEB HAS CORROSION ON UPPER SURFACE. STA 400 TO 480+4; RBL 21 TO RBL 26 / BLENDED CORROSION ON UPPER SURFACE OF FWD CARGO LOWER DOOR SILL WEB STA 480+4" RBL 21-26, ORIGINAL THICKNESS .045, REMAINING .027, LOSS OF .018 FOUND OUT OF LIMITS IAW SRM 53-30-15-1A-1. REMOVED AND REPLACED DAMAGED DOOR SILL IAW SRM 51-40-02-0G-0 AND DWG 143A8120 REV.- RESTORED CIC TO AREA IAW AMM 51-21-91-620-802

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