# SDR SWAA2022020210657

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2017
- Submitted: February 2, 2022
- Operation: Air carrier
- Aircraft: [N232WN](https://openairdocs.org/aircraft/N232WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32500
- Aircraft time: 41,297 hours, 24,071 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- 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/SWAA2022020210657

## Discrepancy

FORWARD CARGO PIT LOWER SILL WEB STA 440 - 492 RBL 24 - RBL 29 HAS CORROSION ON UPPER AND LOWER SURFACES / BLEND CORROSION ON FWD PIT SILL WEB IAW SRM 53-30-15-1A-1; ORIGINAL THICKNESS .045; .007 MAT'L LOSS WITH .038 REMAINING OUT OF LIMITS VERIFIED NEW SILL WEB IAW 143A8330 ATAG OW0067 P/N 654A0003-58 LOCATED AND DRILLED NEW WEB IAW SRM 51-40-05-06 & BOEING DWG 143A8330 INSTALLED NEW WEB FWD CARGO IAW BOEING DWG 143A8330

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