Service difficulty report · Downlock Switch · Beech C90A

Difficulty date
January 29, 2009
Submitted
February 17, 2009
Operation
Air carrier
Aircraft
N1083S
Make and model
Beech C90A
Aircraft serial
LJ1142
Engine
Pwa PT6A6
Part
Downlock Switch
Part number
903610379
Condition
Intermittent
Location
Rt Mlg
Part time
5,540 hours
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
L

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

What was found

BEFORE LANDING, WHEN GEAR WAS SELECTED DOWN, THE RT GREEN DOWN LIGHT FAILED TO ILLUMINATE. THE GEAR UNSAFE LIGHT AND HORN DID NOT INDICATE AN UNLOCKED GEAR. AFTER A FLYBY AND A VISUAL LOOK BY GROUND PERSONNEL, THE FAILED GEAR LIGHT CAME ON AND A LANDING WAS MADE WITH NORMAL INDICATORS. THE DOWN LOCK SWITCH WAS TESTED AND FOUND INTERMITTENT. THE SWITCH WAS REPLACED WITH A NEW PART AND FUNCTION TESTED FOR PROPER CONSISTENT FUNCTION. (K)

More about the Beech C90A