# SDR CALA2026062217204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N14240](https://openairdocs.org/aircraft/N14240), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28952
- Aircraft time: 80,188 hours, 31,170 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5650
- 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/CALA2026062217204

## Discrepancy

B737-MP-2000-53-410-00-01 MAIN CABIN FLOOR BEAM STA 947.5 HAS CORROSION ON THE UPPER SURFACE AT APPROX LBL53.   REMOVED DAMAGED CHORD (UPPER) REPLACED & INSTALLED NEW REPAIR PARTS AT STA 947.5 FROM LBL41 TO LBL58.6 WL 208 IAW SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2.

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