# SDR FDEA201209043219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2012
- Submitted: September 10, 2012
- Operation: Air carrier
- Aircraft: [N998FD](https://openairdocs.org/aircraft/N998FD), registered now
- Make and model: Boeing 757230
- Aircraft serial: 24747
- Aircraft time: 65,431 hours, 22,121 cycles
- Engine: Pwa PW2040
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 146N5089
- Condition: Corroded
- Location: Bs 1640
- 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/FDEA201209043219

## Discrepancy

CABIN FLOORBEAM BS 1640 HAS CORROSION ON UPPER ANGLE. UPPER AND LOWER SURFACES FROM LBL 58 TO RBL 58.  FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG. 101, DETAIL III.   REMOVED, FABRICATED AND INSTALLED NEW FLOORBEAM IAW SRM 51-40-02 AND DRAWING 146N5089.    MAJOR REPAIR

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