Service difficulty report · Tachometer · Robsin R44

Difficulty date
May 11, 2020
Submitted
June 4, 2020
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44
Aircraft serial
2338
Aircraft time
2,224 hours
Engine
Lyc O540F1B5
Part
Tachometer
Part number
C7924
Part serial
3438
Condition
Inoperative
Stage of operation
NR
How discovered
O
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 RPM NEEDLE IS INOPERATIVE.