# SDR CALA2026012313228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N57852](https://openairdocs.org/aircraft/N57852), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32811
- Aircraft time: 70,291 hours, 22,886 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 146N511178
- 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/CALA2026012313228

## Discrepancy

CABIN FLOORBEAM BS 1681 APPROX LBL47 TO RBL47 WAS CORRODED ON FWD FLANGE AT SEVERAL NUTPLATE HOLES.  THE FLOORBEAM WAS REPAIRED IAW SRM 53-60-51-2R-3 AND ECRA 5360-02091.

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