# SDR ASOA05988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2005
- Submitted: December 12, 2005
- Operation: Air carrier
- Aircraft: [N643AS](https://openairdocs.org/aircraft/N643AS), 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: 413
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/ASOA05988

## Discrepancy

DURING A C-CHECK IN YUL, THE LEFT AND RIGHT SIDE `Z` FLOOR SUPPORTS, BETWEEN FS 39-40, WERE FOUND TO BE CORRODED BEYOND LIMITS.  MAINTENANCE REMOVED AND REPLACED THE LEFT SIDE `Z` FLOOR SUPPORT, BETWEEN FS 39-40, IAW ASA EO 72-53-0200, AND REMOVED AND REPLACED THE RIGHT SIDE `Z` FLOOR SUPPORT, BETWEEN FS 39-40, IAW ASA EO 72-53-0201.  (M)

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