# SDR FDEA200910153581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2009
- Submitted: October 15, 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 1440-1460
- 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/FDEA200910153581

## Discrepancy

RT CREASE BEAM UPPER SURFACE CORRODED, BS 1440-1460.  (OUT OF LIMITS)  REMOVED CORROSION FROM RT CREASE BEAM, BS 1405-1680, IAW SRM 51-40-02.   EXFOLIATION CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-60-13, FIG 101, .060"   MATERIAL LOSS.  FABRICATED NEW CREASE BEAM, BATCH3 0001710353/BAC 1515-553, IAW SRM 53-60-13. LOCATED AND DRILLED PER SRM 51-40-03. TREATED AND PRIMED IAW SRM 51-20-01. PAINTED IAW SRM 51-21-00-7. INSTALLED NEW RT CREASE BEAM, BS 1405-1630, IAW SRM 51-40-02 AND 51-20-05. THIS REPAIR IS CLASSIFIED AS A CAT. "A" MAJOR REPAIR.

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