# SDR CALA2026071217706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2026
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N54711](https://openairdocs.org/aircraft/N54711), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28782
- Aircraft time: 85,102 hours, 31,458 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5506
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026071217706

## Discrepancy

AFT CABIN FLOORBEAM AT BS 986.5 LT AND RT 6" FR OM BL O HAS CORROSION AND LBL46 REMOVED AND DISCARDED EXISTING REPAIR FABRICATED AND INSTALLED R EPLACEMENT UPPER CHORD REPAIR DETAILS PER 737-700 SRM 53-70-51-2 R-4 AT BS 985.5.

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