Service difficulty report · Actuator · Lkheed 1011385114

Difficulty date
October 16, 2002
Submitted
December 2, 2002
Operation
General aviation
Make and model
Lkheed 1011385114
Aircraft time
62,997 hours
Engine
Rroyce RB21122B02
Part
Actuator
Part number
1523042101
Condition
Cracked
Location
Lug
Component
Actuator
Stage of operation
IN
Nature of condition
D
Precautionary procedure
K

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

What was found

(CAN) WHILE PERFORMING A MLG RETRACTION TEST, AFTER REPLACEMENT OF ALL GEARS ON A/C, WE NOTICED AFTER A COUPLE RETRACTIONS, THAT THE MLG ACTUATOR PIN (P/N 1523042-101, REF IPC 32-11-03, ITEM 435) OF THE MLGRETRACT ACTUATOR ON THE R/H MLG WAS CRACKED. RETRACTION SPEED WAS NORMAL. AFTER REPLACEMENT OF THELOWER PIN (P/N 1523042-101, REF IPC 32-11-03, ITEM 435 AND REPLACED IAW AMM 32-11-27) AND MLG RETRACTACTUATOR (P/N 1523042-101, IPC 32-11-03, ITEM 405 AND REPLACED I.A.W AMM 32-33-01), ON THE NEXT RETRACTION, WE FOUND OUT THAT THEJURY BRACE ASSYWAS MAKING A SNAP SOUND AND THE LAST MOVEMENT OF THEACTUATOR WAS TOO FAST (NO SNUBBER ACTION). AFTER REPLACEMENT OF THE JURY BRACE RETRACT ACTUATOR(P/N 1523107-105, IPC