# SDR CALA2025111811307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2025
- Submitted: November 18, 2025
- Operation: Air carrier
- Aircraft: [N75854](https://openairdocs.org/aircraft/N75854), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32813
- Aircraft time: 70,026 hours, 23,065 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Sill
- Part number: 143N832854
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025111811307

## Discrepancy

R2 DOOR LOWER MAIN SILL INNER CHORD IS CORRODED AT SEVERAL AREAS FROM BS 680 - 743.   REPLACED R2 Z-ANGLE AT BS 680 - 780 IAW SRM 51-40-02.

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