Service difficulty report · Downlock Switch · Lear 35LEAR

Difficulty date
April 15, 2007
Submitted
May 15, 2007
Operation
Air carrier
Aircraft
N4358N
Make and model
Lear 35LEAR
Aircraft serial
35065
Aircraft time
28,680 hours, 27,280 cycles
Part
Downlock Switch
Part number
1EN18
Condition
Intermittent
Location
Rt Mlg
Stage of operation
AP
How discovered
O
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

AIRCRAFT EN ROUTE FROM ORL TO CLT, PILOT SELECTED GEAR DOWN NOTHING HAPPENED, CYCLED BREAKERS, NO HELP. BLEW GEAR DOWN WITH EMERGENCY AIR AND LANDED NO PROBLEMS. MAINTENANCE AT CLT JACKED AIRCRAFT AND SWUNG THE GEAR MANY TIMES WITH NO PROBLEMS, DID HAVE PROBLEMS COMING INTO LCK THE NEXT NIGHT THEN GEAR FINALLY CAME DOWN. FOUND RIGHT GEAR DOWN AND LOCK SWITCH INTERMITTENT. REMOVED AND REPLACED SWITCH, OPS CHECKS GOOD.