Service difficulty report · Dual Tachometer · Robsin R44

Difficulty date
December 18, 2020
Submitted
January 5, 2021
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44
Aircraft serial
1799
Aircraft time
1,106 hours
Engine
Lyc O540F1B5
Part
Dual Tachometer
Part number
C7924
Part serial
6142
Condition
Defective
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 ASSEMBLY P/N: C792-4 ROTOR NEEDLE WAS UNSERVICEABLE.