Service difficulty report · Unlock Switch · Raythn 400ARAYTHEON

Difficulty date
December 1, 2014
Submitted
December 3, 2014
Operation
Air carrier
Aircraft
N493TM
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK582
Aircraft time
3,902 hours, 2,890 cycles
Engine
Pwc JT15D5D
Part
Unlock Switch
Part number
22500231
Condition
Failed
Location
Thrust Reverser
Part time
3,902 hours, 2,890 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

DURING THE CLIMB THE MASTER WARNING LIGHT ILLUMINATED ALONG WITH THE RT ENG THRUST REVERSER ARM & UNLOCK LIGHT. FAULTY RT THRUST REVERSER SWITCH TO BE THE CAUSE.