# SDR MAC5302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2005
- Submitted: May 20, 2005
- Operation: Air carrier
- Aircraft: N905FX
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 271
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Malfunctioned
- Location: Blue
- Stage of operation: CL
- How discovered: O
- Nature of condition: S, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MAC5302

## Discrepancy

DURING CLIMB, THE A/C EXPERIENCED LIGHTNING AND A MOMENTARY LOSS OF BLUE SYSTEM HYDRAULICS.  AN EMERGENCY WAS DECLARED AND THE A/C LANDED WITHOUT FURTHER INCIDENT.  AN INSPECTION IAW ATR JIC 05-51-13OUI 1000 WAS PERFORMED AND AN OPERATIONAL TEST OF THE HYDRAULIC SYSTEM IAW ATR JIC 29-52-53 OPT 1000.  NO DEFECTS WERE FOUND.

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