# SDR FDEA201501170220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2015
- Submitted: February 10, 2015
- Operation: Air carrier
- Aircraft: [N771FD](https://openairdocs.org/aircraft/N771FD), registered now
- Make and model: Boeing 757222
- Aircraft serial: 24799
- Aircraft time: 76,307 hours, 28,339 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 146N508925
- Condition: Corroded
- Location: Bs 1640
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201501170220

## Discrepancy

MAIN DECK FLOORBEAM UPPER FLANGE AT BS 1640 HAS SEVERAL CORRODED SPOTS.  CORROSION REMOVED AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, DETAIL III, FIG. 101.  REPLACED THE FLOORBEAM IAW SRM 51-40-02, AND DWG 146N5089.  MAJOR REPAIR

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