What was found
(CAN) HYD WARNING HORN AND LIGHT CAME ON IN FLIGHT. PILOT FOLLOWED LOST HYD PROCEDURE AND RETURNED TO BASE AND SHUT DOWN. INVESTIGATION SHOWED THAT THE HYD PUMP DRIVE SPLINES WERE COMPLETLY WORN. PUMP, COUPLING AND BEARING CHANGE.
- Difficulty date
- August 19, 2005
- Submitted
- October 3, 2005
- Operation
- General aviation
- Make and model
- Snias AS350BA
- Engine
- Tmeca ARRIEL1B
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Drive Assy
- Condition
- Worn
- Location
- Hyd Pump
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- H, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.