# SDR SCNA20171111249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2017
- Submitted: November 14, 2017
- Operation: Air carrier
- Aircraft: N714SY
- Make and model: Boeing 737752
- Aircraft serial: 33786
- Aircraft time: 43,857 hours, 22,340 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Condition: Corroded
- Location: Fuselage
- 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/SCNA20171111249

## Discrepancy

L-1 CREASE BEAM INNER CHORD CORRODED STA 328-344. REMOVED CORROSION ON L-1 CREASE BEAM INNER CHORD AT STA 328 - 344. VERIFIED MATERIAL LOSS IS .050", ORIGINAL "T" .090, REMAINING "T" .040". "OUT OF LIMITS". REMOVED L-1 CREASE BEAM INNER CHORD. LOCATED AND DRILLED NEW CREASE BEAM. INSTALLED NEW L-1 CREASE BEAM INNER CHORD.

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