Service difficulty report · Bearing · Boeing 747122

Difficulty date
February 28, 2001
Submitted
April 9, 2001
Operation
Air carrier
Aircraft
N850FT
Make and model
Boeing 747122
Aircraft serial
19755
Aircraft time
91,413 hours, 17,921 cycles
Engine
Pwa JT9D7A
Engine time
85,036 hours, 21,082 cycles
Part
Bearing
Condition
Damaged
Location
Nr2 Engine
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

DAMAGE FOUND ON NR 2 ENG LT TANGENTIAL BEARING. REPLACED TANGENTIAL LINK AND BEARING PER MM 71-21-04 ITEM 13.