Service difficulty report · Dual Tachometer · Robsin R44

Difficulty date
April 11, 2023
Submitted
April 27, 2023
Operation
General aviation
Aircraft
N7102Z
Make and model
Robsin R44
Aircraft serial
2309
Aircraft time
2,316 hours
Engine
Lyc O540F1B5
Part
Dual Tachometer
Part number
C7925
Part serial
J2111584
Condition
Defective
Part time
116 hours
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: C792-5 NEEDLES GET STUCK BETWEEN 68% - 90%.