# SDR SCNA20201201385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2020
- Submitted: December 1, 2020
- Operation: Air carrier
- Aircraft: N817SY
- Make and model: Boeing 737-8K2
- Registry model: [Boeing 737-8K2](https://openairdocs.org/model/boeing-737-8k2) (OpenAirDocs)
- Aircraft serial: 30392
- Aircraft time: 65,543 hours, 25,167 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- Location: Fwd Cargo Door
- 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/SCNA20201201385

## Discrepancy

CORROSION FWD CARGO BAY SUB THRESHOLD HAS CORROSION AT STA 460+4", RBL 28, WL 156.  FWD CARGO BAY SUB THRESHOLD AT BS 460+4 RBL 28 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM 53-30-15-1A-1 FIG 103 DETAIL D.  REMOVED AND REPLACED SILL WEB, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING NR 143A8122 REV.

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