# SDR FDEA200910133550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2009
- Submitted: October 13, 2009
- Operation: Air carrier
- Aircraft: [N921FD](https://openairdocs.org/aircraft/N921FD), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24924
- Aircraft time: 68,004 hours, 21,149 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: BAC1515553
- Condition: Corroded
- Location: Bs 480
- 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/FDEA200910133550

## Discrepancy

MAIN CABIN, STA 480, RT SIDE CREASE BEAM CHORD HAS CORROSION (OUT OF LIMITS).  REMOVED CORROSION AND CHECKED LIMITS IAW SRM 51-10-02/53-30-13. FOUND TO BE OUT OF LIMITS IAW SRM 53-30-13, FIG.101,DETAIL 3 AT BS 450-665, RBL 60. ORIGINAL MATERIAL THICKNESS- .070" / AFTER REWORK- .059" / REMOVED- .011". REMOVED CREASE BEAM IAW SRM 51-40-02. FABRICATED NEW CREASE BEAM, BAC 1515-553, BATCH NR 0001725078 / SRM 51-10-02. LOCATED AND DRILLED CREASE BEAM IAW SRM 51-10-02. TREATED AND PRIMED CREASE BEAM IAW SRM 51-21-01. PAINTED IAW AMM 51-21-00-7. INSTALLED NEW CREASE BEAM AT BS 450-665, RBL 60, WL 208, IAW SRM 51-40-02. THIS REPAIR IS CLASSIFIED AS A CAT "A" MAJOR REPAIR.

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