Service difficulty report · Tachometer · Robsin R44RAVENII

Difficulty date
July 13, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
3,416 hours
Engine
Lyc IO540AE1A5
Part
Tachometer
Part number
C7924
Condition
Binding
Location
Main Rotor
Part time
1,348 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
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 GROUND RUN FOLLOWING 50 HOUR INSPECTION THE DUAL TACH WAS FOUND TO BE STICKING ON START-UP. DUAL TACH REPLACED.