# SDR CALA2026030314226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2026
- Submitted: March 3, 2026
- Operation: Air carrier
- Aircraft: [N33132](https://openairdocs.org/aircraft/N33132), registered now
- Make and model: Boeing 757224
- Aircraft serial: 29281
- Aircraft time: 96,917 hours, 20,979 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- 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/CALA2026030314226

## Discrepancy

MAIN CABIN FLOOR STRUCTURE AT BS 1060, RBL 65 FOUR LOCATIONS HAD CORROSION.   CORROSION BS 1060, RBL 65 MEASURES .014 INCH. OUT OF LIMITS IAW SRM 53-40-13-1A-1. PERFORMED CREASE BEAM REPAIR IAW SRM 5 3-00-13-2R-2.  RESTORED SURFACE PROTECTION SRM 51-20-01 AND AMM 5 1-21-15-370-801.

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