Service difficulty report · Tachometer · Robsin R44

Difficulty date
June 22, 2020
Submitted
July 7, 2020
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44
Aircraft serial
2230
Aircraft time
886 hours
Engine
Lyc O540F1B5
Part
Tachometer
Part number
C7924
Part serial
2698
Condition
Malfunctioned
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 ROTOR NEEDLE IS INDICATING 90% (LOW) AT 100%.