# SDR SWAA2024081309153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2024
- Submitted: August 13, 2024
- Operation: Air carrier
- Aircraft: [N257WN](https://openairdocs.org/aircraft/N257WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32515
- Aircraft time: 59,419 hours, 35,640 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2024081309153

## Discrepancy

CORROSION ON 303 FRAME; LBL 58; WL 209-211.<[01] REMOVED CORROSION ON FRAME BS 303.9 LBL 55 WL 209-211 IN A 3.1' X 1.4' X .037' FROM ORIGINAL THICKNESS OF .330'. FOUND TO BE OUT OF LIMITS. ACCOMPLISHED REPAIR TO BS 303.9 FRAME IAW EA 24-153-01913;[02] VERIFIED CORRECTIVE ACTION #1

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