# SDR SCNA20230110027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2022
- Submitted: January 10, 2023
- Operation: Air carrier
- Aircraft: [N824SY](https://openairdocs.org/aircraft/N824SY), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 33976
- Aircraft time: 47,021 hours, 27,802 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20230110027

## Discrepancy

DEFECT TC 532400000 NR 00288: AFT CARGO LOWER MAIN SILL WEB AT STA 787-847 RBL 20 WL 158 HAS CORROSION AROUND MULTIPLE FASTENER HOLES (MARKED). RESOLUTION: CORROSION ON AFT CARGO LOWER MAIN SILL WEB FOUND TO BE OUT OF LIMITS IAW 53-60-15-1A-1 STEP 4-6-2-B, REMOVED LOWER MAIN SILL WEB IAW SRM 51-40-02-06-00 REV 77. INSTALLED NEW WEB IAW LOT # 51-24-832-1 IAW SRM 51-40-02-06-0 REV 77. AND BOEING DRAWING 146A8120 REV: -

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