Service difficulty report · Tachometer · Robsin R44RAVENII

Difficulty date
February 2, 2020
Submitted
May 9, 2020
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44RAVENII
Aircraft serial
11430
Aircraft time
2,235 hours
Engine
Lyc IO540AE1A5
Part
Tachometer
Part number
C7924R
Part serial
1135
Condition
Intermittent
Stage of operation
NR
How discovered
O
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

CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE IN INTERMITTENT.