Service difficulty report · Speed Switch · Cvac STC3405800

Difficulty date
March 4, 2016
Submitted
March 7, 2016
Operation
Air carrier
Aircraft
N371FL
Make and model
Cvac STC3405800
Aircraft serial
309
Aircraft time
27,203 hours, 23,041 cycles
Engine
Rroyce DART*
Part
Speed Switch
Part number
6870559
Part serial
FF12068
Condition
Unknown
Location
Zone 500
Part time
13 cycles
Stage of operation
CL
How discovered
O
Nature of condition
Y
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UNCOMMANDED AUTO FEATHER CAUSING THE NR 1 ENG TO SHUT DOWN, RETURN LANDING.