Service difficulty report · Actuator · Robsin R44

Difficulty date
August 13, 2021
Submitted
August 28, 2021
Operation
General aviation
Filed by
YV3R012M
Robinson Helicopter Company Inc
Make and model
Robsin R44
Aircraft serial
2387
Aircraft time
4,634 hours
Engine
Lyc O540F1B5
Part
Actuator
Part number
C0511
Part serial
9291
Condition
Defective
Part time
488 hours
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 ACTUATOR ASSEMBLY P/N: C051-1 WILL NOT DISENGAGE DURING SWITCH SPRING TEST METHOD 1.