# SDR CALA2026020413547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N37437](https://openairdocs.org/aircraft/N37437), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33532
- Aircraft time: 51,947 hours, 18,550 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 174A5116U29
- 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/CALA2026020413547

## Discrepancy

MAIN CABIN AFT WET AREA WEB HAS CORROSION ON UPPER SURFACE BETWEEN BS 986.5 AND BETWEEN LBL-24 & LBL-45.  R & R NEW WET SUPPORT  IAW DWG 147A5116, REV.A, SRM 51-40-02.

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