Service difficulty report · Controller · Robsin R44RAVENII

Difficulty date
July 11, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44RAVENII
Engine
Lyc IO540AE1A5
Part
Controller
Part number
D2782
Condition
Malfunctioned
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

(CAN) DURING 100 HR INSPECTION OF THE HELICOPTER, IT WAS NOTED THAT ENGINE RPM INDICATION ON THE DUAL TACH WAS HIGH AT 103.0 PERCENT TO 103.5 PERCENT. DUAL TACH AND GOVENOR CONTROLLER WERE REPLACED.