# SDR ASOA05289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2005
- Submitted: May 3, 2005
- Operation: Air carrier
- Aircraft: [N635AS](https://openairdocs.org/aircraft/N635AS), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 372
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/ASOA05289

## Discrepancy

DURING A C-CHECK IN YUL, THE LOWER FLOORBEAM AT FRAME 41, STRINGER 18R WAS FOUND TO BE CORRODED BEYOND LIMITS ON TOP OF THE FLANGE AND UNDER THE ANCHOR NUT.  MAINTENANCE REMOVED AND REPLACED THE LOWER FLOORBEAM AT FRAME 41, STRINGER 18R IAW SRM 51-25-01.  (M)

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