# SDR CALA2026081318533

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N77539](https://openairdocs.org/aircraft/N77539), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63642
- Aircraft time: 27,357 hours, 10,366 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floor Support
- 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/CALA2026081318533

## Discrepancy

MAIN CABIN FLOORBEAN AT LBL 51 - LBL 24, BS 947+4 FOUND TO BE CORRODED.   R & R FLOORBEAM IAW SRM 51-40-02 AND DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED.  WORK ACCOMPLISHED AT AAR GSO ON NON-ROUTINE 9286383.  R & R FLOORBEAM IAW SRM 51-40-02 AND DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED.

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