Service difficulty report · Pin · Beech 200BEECH

Difficulty date
July 19, 2012
Submitted
July 19, 2012
Operation
Air carrier
Aircraft
N275X
Make and model
Beech 200BEECH
Aircraft serial
BB502
Aircraft time
9,415 hours, 9,105 cycles
Engine
Pwa PT6A41
Part
Pin
Condition
Bent
Location
Downlock
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PILOT REPORTED THAT ON SELECTING MLG HANDLE UP, MLG HESITATED, TOOK LONGER THAN USUAL. ON SELECTING MLG HANDLE DOWN, MLG RETRACTED AND LOCKED (MLG MOTOR STOPPED) BUT THE DOWN AND LOCKED INDICATOR (3 GREEN LIGHTS) DID NOT ILLUMINATE. PILOT PUSHED MLG DOWN & LOCKED INDICATOR AND THE 3 "GREEN LIGHTS" ILLUMINATED. PILOT THEN MADE AN UNEVENTFUL LANDING. MX DUPLICATED THE MLG DOWN AND LOCK (3 GREEN LIGHTS) CAPSULE NOT ILLUMINATING. MX FOUND THAT BY WIGGLING THE CAPSULE, THE LIGHT WOULD ILLUMINATE. MX DISASSEMBLED THE DOWN AND LOCK CAPSULE AND FOUND A BENT PIN. MX REPAIRED PIN, CLEANED CONTACTS, AND REASSEMBLED THE DOWN & LOCKED CAPSULE. MX CLEANED AND CHECKED MLG MOTOR CONTROLLER CONTACTS, BRUSHES, AND COMMUTATOR, WITH NO DEFECTS NOTED. MX CHECKED ALL MLG DOWNLOCK SPRINGS COMPRESSION DIMENSIONS AND FOUND ALL TO BE WITHIN SPECS. MX PERFORMED NUMEROUS MLG RETRACTION / EXTENSION CHECKS WITH NO DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.