# SDR CALA2026051816349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2026
- Submitted: May 18, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30610
- Aircraft time: 77,618 hours, 29,101 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55048
- 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/CALA2026051816349

## Discrepancy

MAIN CABIN AFT WET AREA, FLOOR BEAM REPAIR HAS CORROSION ON UPPER SURFACE AT BS 947.5 APPROX RBL51. TRANSCRIBED FROM AAR GSO NRC 9288256. ACCOMPLISHED ESFR ACCOMPLISHED REPAIR PER UNITED ECRA 5375-01022 REO- A/C 0255 FLOOR BEAM STATION 947.50 BETWEEN RBL30 AND RBL 60.0 UPPER TEE PAINTED.

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