Service difficulty report · Dual Tachometer · Robsin R44RAVENII

Difficulty date
September 17, 2020
Submitted
September 24, 2020
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44RAVENII
Aircraft serial
11196
Aircraft time
2,362 hours
Engine
Lyc IO540AE1A5
Part
Dual Tachometer
Part number
C7924
Part serial
3189
Condition
Defective
Stage of operation
NR
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

CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE NEEDLE PINNED AT TOP OF SCALE WITH POWER ON.