Service difficulty report · Spacer · Lear 60LEAR

Difficulty date
September 6, 2006
Submitted
March 7, 2007
Operation
Air carrier
Filed by
BIER466C
Aero Industries Inc
Make and model
Lear 60LEAR
Part
Spacer
Condition
Missing
Location
Brake Assy
Component
Brake Assy
Component part number
50030967
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

OPERATOR SUSPECTED MISSING PARTS FROM BRAKE ASSEMBLY JUST OUT OF OVERHAUL. UPON CONDUCTING VISUAL INSPECTION, FOUND THAT SWAGE ADJUSTER ASSEMBLIES WERE INCORRECTLY SET FOR THIS SERIES OF BRAKE. THE SWAGES WERE SET AT A DEPTH OF 0.18 INCH BELOW FLUSH OF ADJUSTER TUBE, THEY SHOULD HAVE BEEN SET FLUSH WITH THE TOP OF THE ADJUSTER TUBE. FURTHER INSPECTION FOUND THAT INCORRECT RETURN PINS WERE INSTALLED. SHOULD HAVE BEEN P/N 5001421, INSTALLED WERE P/N 9535044. THE LATER RETURN PIN IS SHORTER AND NOT FOR USE ON THIS AC BRAKE. SPACER TUBES P/N 5012942 WERE MISSING FROM THE RETURN SPRING ASSEMBLIES. THE BRAKE ASSY HAD BEEN OVERHAULED AT OTHER REPAIR CENTER AND HAD NOT BEEN INSTALLED ON THE AIRCRAFT PRIOR TO THI