What was found
THE MAIN COUPLING THAT DRIVES THE HYD PUMP HAD FAILED. THERE WAS NO LOSS OF HYD POWER YET AS THE RUBBER COUPLING HAD LODGED ITSELF IN SUCH A WAY THAT IT COULD STILL DRIVE THE PUMP.
- Difficulty date
- April 27, 2011
- Submitted
- September 9, 2011
- Operation
- Air carrier
- Make and model
- Snias AS350BA
- Engine
- Tmeca ARRIEL1B
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Coupling
- Part number
- S40AS
- Condition
- Failed
- Location
- Hydraulic Pump
- Component
- Hydraulic Pump
- Component part number
- 350A35013100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.