# SDR SCNA20240311142

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2023
- Submitted: March 11, 2024
- Operation: Air carrier
- Aircraft: [N842SY](https://openairdocs.org/aircraft/N842SY), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 37244
- Aircraft time: 33,948 hours, 11,534 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zone 100
- 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/SCNA20240311142

## Discrepancy

FWD CARGO LWR SILL WEB CORRODEDDOT 11/004. UPON FURTHER EVALUATION AT FWD CARGO LWR SILL WEB FOUND CORROSION 100% MATERIAL LOSS CORROSION IS LEVL 2 , IAW B737 SRM 53-30-15-1A.REMOVED FWD CARGO LWR SILL WEB IAW B737 SRM 51-40-02.LOCATED AND DRILLED NEW LOWER SILL WEB P/N 654A0003-58 IAW B737 SRM 51-40-05.INSTALLED NEW WEB P/N: 654A0003-58, PO# FS142637 IN THE FWD CARGO COMP. LOWER SILL AREA IAW B737 SRM 51-40-02.

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