# SDR CALA2025121512117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2025
- Submitted: December 15, 2025
- Operation: Air carrier
- Aircraft: [N33286](https://openairdocs.org/aircraft/N33286), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31600
- Aircraft time: 65,903 hours, 24,597 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- 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/CALA2025121512117

## Discrepancy

R2 CUTOUT STRUCTURE INNER CHORD STA 947.5-986.5 UPPER SURFACE WITH SEVERAL CORROSION AREAS.  R2 DOOR CUTOUT STRUCTURE INNER CHORD FOUND CORROSION OUT OF LIMITS, INNER CHORD WAS REMOVED AND REPLACED AS PER REF. SRM 51-40-02-0G-0 AND DWG #147A8501.   REMOVED AND REPLACED R2 DOOR CUTOUT INNER CHORD REF. SRM 51-40-02-0G-0 AND DWG #147A8501.

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