# SDR CALA2025081307691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2025
- Submitted: August 13, 2025
- Operation: Air carrier
- Aircraft: [N11206](https://openairdocs.org/aircraft/N11206), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30578
- Aircraft time: 76,846 hours, 28,604 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 147A85408
- 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/CALA2025081307691

## Discrepancy

SUPPORT TASK-   R2 DOOR CREASE BEAM HAS CORROSION ON UPPER SURFACE.   REMOVED AND REPLACED R2 DOOR CREASE BEAM P/N: 147A854048 PO: 1124776.2 IAW B737-800 DRW: 147A8540 REV. B, SRM 51-40-05, SRM 51-40-02, ORIGINAL CREASE BEAM FOUND CORROSION 60% OF MATERIAL OUT OF LIMITS IAW SRM 53-70-15.

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