Service difficulty report · Control Quadrant · Lear 45LEAR

Difficulty date
April 14, 2014
Submitted
April 30, 2014
Operation
Air carrier
Aircraft
N546DH
Make and model
Lear 45LEAR
Aircraft serial
150
Aircraft time
4,861 hours, 3,471 cycles
Engine
Alidsg TFE7313AR
Part
Control Quadrant
Part number
6676101000021
Part serial
171
Condition
Faulty
Location
Thrust Reverser
Stage of operation
LD
How discovered
O
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

CREW REPORTED THE THE LT THRUST REVERSER WAS INTERMITTENT OR SLOW TO DEPLOY. TROUBLESHOOTING WAS ABLE TO DUPLICATE THE DISCREPANCY BY APPLYING A SIDE LOAD TO THE ENG POWER LEVER. IT WAS FOUND THAT THE DEPLOY SWITCH IN THE THROTTLE QUADRANT TO BE DEFECTIVE. THE THROTTLE QUADRANT PN 6676101000-021, SN 171 WAS REMOVED & A MODIFIED CONDITION QUADRANT WAS INSTALLED. OPERATIONS CHECKED SATISFACTORY.