# SDR CALA2026101520378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2026
- Submitted: October 15, 2026
- Operation: Air carrier
- Aircraft: [N24212](https://openairdocs.org/aircraft/N24212), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28772
- Aircraft time: 82,239 hours, 30,837 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55053
- 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/CALA2026101520378

## Discrepancy

CORROSION AROUND FASTENER HOLE IN FLOORBEAM, BS 967, LBL 18, RBL 13, RBL 16.   REPAIRED THE FLOORBEAM IAW EO 5320-23025, REV A, & EC/RA 5370-01092.

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