Service difficulty report · Tachometer · Robsin R44RAVENII

Difficulty date
January 28, 2020
Submitted
February 10, 2020
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44RAVENII
Aircraft serial
14306
Aircraft time
160 hours
Engine
Lyc IO540AE1A5
Part
Tachometer
Part number
C7924R
Part serial
4182
Condition
Inoperative
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

CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R REPLACEMENT INOPERATIVE. RHC BENCH CHECKED UNIT FOR OPERATION, ROTOR NEEDLE WAS FOUND STICKING.