# SDR ASOA04764

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2004
- Submitted: October 21, 2004
- Operation: Air carrier
- Aircraft: N631AS
- Make and model: Aerosp ATR72
- Aircraft serial: 362
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA04764

## Discrepancy

DURING A C-CHECK IN YUL, THE RIGHT CREASE BEAM BETWEEN FRAME 39/40 WAS FOUND TO CORRODED BEYOND LIMITS.  MAINTENANCE REMOVED AND REPLACED THE RIGHT CREASE BEAM BETWEEN FRAME 39/40 IAW SRM 51-25-03 AND 51-25-01.  (M)

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