# SDR FDEA201211123956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2012
- Submitted: November 26, 2012
- Operation: Air carrier
- Aircraft: [N971FD](https://openairdocs.org/aircraft/N971FD), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 26277
- Aircraft time: 43,482 hours, 12,822 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 143N832853
- Condition: Corroded
- Location: Bs 740
- 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/FDEA201211123956

## Discrepancy

BS 740 LBL 64 CREASE BEAM HAS CORROSION.  CORROSION REMOVED IAW SRM 51-10-02 REV 106. MATERIAL THICKNESS REMOVED 0.014 INCHES FOUND EXCEEDS LIMITS IAW SRM 53-30-13 FIG 101 ALLOWABLE DAMAGE 1 REV 106.  CREASE BEAM REMOVED IAW SRM 51-40-  02 REV 106. NEW CREASE BEAM INSTALLED AS PER DRAWING 143N8322 SHT 1 REV K.    REPAIR CLASSIFIED MAJOR AS PER GMM 6-2-100.

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