# SDR CALA2026031314548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2026
- Submitted: March 13, 2026
- Operation: Air carrier
- Aircraft: [N53441](https://openairdocs.org/aircraft/N53441), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 30131
- Aircraft time: 52,435 hours, 18,701 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A511627
- 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/CALA2026031314548

## Discrepancy

(B737-MP-2000-1-0003)  MAIN CABIN AFT WET AREA, 1EA WEB HAS CORROSION ON UPPER SURFACE BETWEEN BS 1030 AND 1042 AND BL-0 AND LBL-27.  REMOVED, FABRICATED AND REPLACED FLOOR WEB ASSY IAW B737 DWG 147A5761 REV- AND 147A5116-27 REV A.

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