# SDR CALA2026081118480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N73299](https://openairdocs.org/aircraft/N73299), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34005
- Aircraft time: 59,102 hours, 21,722 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5504
- 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/CALA2026081118480

## Discrepancy

FOUND CORROSION OUT OF LIMITS AT FLOORBEAM STA 986.5 AND LBL 43, REQUIRE REPAIR.   REPAIRED WET AREA FLOORBEAM STA 986.5 AND LBL 50 TO RBL 50,  WORK DONE IAW SRM 53-70-51-2R-5 THIS REPAIR IS CATEGORY A REPAIR.

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