Service difficulty report · Pump · Robsin R44RAVENII

Difficulty date
April 19, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
2,988 hours
Engine
Lyc IO540AE1A5
Part
Pump
Part number
D5001
Condition
Noisy
Location
Hyd System
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) PILOT NOTED A TICKING SOUND FROM THE AREA OF THE MAIN ROTOR TRANSMISSION ON SHUTDOWN OF ACFT. MAINTENANCE IDENTIFIED THE HYDRAULIC PUMP AS THE SOURCE OF THE SOUND. HYDRAULIC PUMP REPLACED.