Service difficulty report · Bolt · Boeing 747122

Difficulty date
March 17, 2002
Submitted
March 19, 2002
Operation
Air carrier
Aircraft
N854FT
Make and model
Boeing 747122
Aircraft serial
19754
Aircraft time
86,010 hours, 21,447 cycles
Engine
Pwa JT9D7
Engine time
67,488 hours, 15,511 cycles
Part
Bolt
Part number
BACB30EK6A8C
Condition
Sheared
Location
Nr 1 Pylon
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

ONE BOLT HEAD SHEARED OFF ON RT SIDE OF NR 1 ENGINE AFT MOUNT TO PYLON FITTING. REMOVED AND REPLACED TWO BOLTS ON RT SIDE FOR AFT MOUNT TO FITTING PER MM 54-41-02.