Service difficulty report · Isolation Mount · Boeing 767322

Difficulty date
January 21, 2011
Submitted
February 3, 2011
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
77,372 hours, 12,519 cycles
Engine
Pwa PW4060
Part
Isolation Mount
Condition
Failed
Location
Apu Bay
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

APU AFT LEFT ISOLATION MOUNT HAS BAD BEARING AT DIAGONAL BRACE ATTACH POINT. REPLACED APU AFT LT ISOLATION MOUNT ASSY.