Service difficulty report · Downlock Switch · Swrngn SA227AC

Difficulty date
April 26, 2022
Submitted
April 26, 2022
Operation
General aviation
Aircraft
N769KL
Make and model
Swrngn SA227AC
Aircraft serial
AC769B
Aircraft time
32,866 hours, 31,735 cycles
Part
Downlock Switch
Part number
1EN516
Condition
Faulty
Stage of operation
UK
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

PILOTS REPORTED A LEFT HAND MAIN GEAR RED LIGHT ILLUMINATED ON INITIAL GEAR EXTENSION. SECOND CYCLING GOT THREE GREEN LIGHTS. MX REPLACED THE INBOARD DOWN LOCK SWITCH AND THE GROUND TEST WAS NORMAL.