# SDR FDEA200907212687

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2009
- Submitted: July 22, 2009
- Operation: Air carrier
- Aircraft: [N913FD](https://openairdocs.org/aircraft/N913FD), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 24017
- Aircraft time: 84,316 hours, 25,419 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BSC1505100620
- Condition: Corroded
- Location: Bs 377
- 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/FDEA200907212687

## Discrepancy

FWD CABIN FLOORBEAM UPPER SURFACE AT BS 377, LBL 61, HAS SURFACE CORROSION. REMOVED CORROSION IAW SRM 51-10-02.  FOUND TO BE OUT OF LIMITS PER SRM 53-00-51, DETAIL 3, FIG. 101. CUT OUT DAMAGED AREA AND REMOVED PREVIOUS REPAIR OF UPPER TEE CHORD, BS 377, LBL 70 - RBL 34, IAW SRM 53-00-51. FABRICATED UPPER TEE CHORD, -2 / -3 REPAIR ANGLES PER SRM 53-00-51, FIG. 201, REPAIR 3 & MAE TRAVELER T9/798554. LOCATED / DRILLED ALL REPAIR PARTS PER SRM 51-40-05 / 53-00-51, FIG. 201, REPAIR 3. INSTALLED ALL REPAIR PARTS IAW SRM 53-00-51, FIG 201, REPAIR 3. THIS IS A CAT. "A" MAJOR REPAIR.

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