Service difficulty report · Switch · Raythn 390

Difficulty date
November 5, 2002
Submitted
November 22, 2002
Operation
General aviation
Aircraft
N719L
Make and model
Raythn 390
Aircraft serial
RB25
System (JASC)
7603 · Power Lever
Part
Switch
Condition
Inoperative
Location
Throttle
Part time
99 hours
Stage of operation
IN
How discovered
V
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

HIGH RESISTANCE (8 OHMS) IN RIGHT LOW NR THROTTLE LEVER SWITCH. 6 OHMS MAX PER SPEC SHEET. SPOILER CONTROL UNIT RECEIVES ELECTRICAL SIGNAL FROM LOW N1 THROTTLE SWITCH AS A SUBSYSTEM TO SATISFY LIFT DUMP EXTEND AND RETRACT LOGIC. SCU WILL NOT EXTEND OR RETRACT WITHOUT SIGNAL AND AIRCRAFT WILL NOT HAVE DESIGNED BRAKING.