Service difficulty report · Tachometer · Robsin R44

Difficulty date
November 21, 2019
Submitted
December 10, 2019
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44
Aircraft serial
1346
Aircraft time
14,386 hours
Engine
Lyc O540F1B5
Part
Tachometer
Part number
C7924R
Part serial
5584
Condition
Inoperative
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 ROTOR NEEDLE DOES NOT WORK.