# SDR FDEA201009203560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2010
- Submitted: September 20, 2010
- Operation: Air carrier
- Aircraft: [N943FD](https://openairdocs.org/aircraft/N943FD), registered now
- Make and model: Boeing 757-2G5
- Registry model: [Boeing 757-2G5](https://openairdocs.org/model/boeing-757-2g5) (OpenAirDocs)
- Aircraft serial: 23929
- Aircraft time: 64,335 hours, 22,005 cycles
- Engine: Rroyce RB211*
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BAC1505100880
- 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/FDEA201009203560

## Discrepancy

MAIN CARGO COMPARTMENT FLOORBEAM UPPER CHORD HAS CHAFED MARK AND   CORRODED AROUND HOLES BS 740, RBL 42.  REMOVED CORRSION IAW SRM 51-10-02 , CHECKED LIMITS OF BLENDED AREA L=3.01'  W= 2.00',  D = .015 ORIGINAL MATERIAL .125 , REMAINING. 110, OUT OF LIMITS IAW SRM 53-00-51 PG. 103.   REMOVED OUT OF LIMIT FLOORBEAM STA 740 RBL10 - RBL 60 IAW SRM 53-00-51 REPAIR NR3,  INSTALLED REPAIR PARTS IAW SRM 53-00-51 REPAIR NR3 TABLE I.  THIS IS A CATEGORY A REPAIR IAW  '" NOTES "  SRM 53-00-51 REPAIR NR3, PG 202, MAJOR REPAIR.

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