Service difficulty report · B-Nut · Boeing 747249F

Difficulty date
May 23, 2004
Submitted
May 24, 2004
Operation
Air carrier
Aircraft
N920FT
Make and model
Boeing 747249F
Aircraft serial
22237
Aircraft time
75,842 hours, 18,472 cycles
Engine
Pwa JT9D7Q
Engine time
61,697 hours, 15,104 cycles
Part
B-Nut
Condition
Loose
Location
Engine Oil Line
Stage of operation
NR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

NR 2 ENGINE IN FLIGHT SHUTDOWN DUE TO OIL PRESSURE LOSS AND OIL QTY=0. ON ENGINE INSPECTION FOUND MAIN SUPPLY OIL LINE B-NUT LOOSE AT OIL TANK, SECURED B-NUT SERVICED OIL, PERFORMED ENGINE RUN.