# SDR CALA2026021913902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: February 19, 2026
- Operation: Air carrier
- Aircraft: [N33289](https://openairdocs.org/aircraft/N33289), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31607
- Aircraft time: 66,417 hours, 24,571 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 146A8120
- Condition: Corroded
- Location: Zone 100
- 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/CALA2026021913902

## Discrepancy

AFT CARGO BAY MAIN SILL WEB POSSIBLE CORROSION BTWN BS 787 - 827.  REMOVED AND REPLACED THE AFT CARGO MAIN SILL WEB IAW DWG 146A8123, REV C, SRM 51-40-02-0G-0.

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