Service difficulty report · Line · Boeing 747249F

Difficulty date
January 20, 2005
Submitted
January 21, 2005
Operation
Air carrier
Aircraft
N920FT
Make and model
Boeing 747249F
Aircraft serial
22237
Aircraft time
77,783 hours, 18,899 cycles
Engine
Pwa JT9D7Q
Engine time
59,535 hours, 14,496 cycles
Part
Line
Condition
Chafed
Location
Nr 3 Eng Oil
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
E

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

What was found

NR 3 ENG OIL PRESS FLUCTUATES FROM 35 TO 45 PSI. ENG OIL PRESS LIGHT BLINKS ON & OFF. ALSO OIL QTY WENT FROM 3/4 TO 1/4 AND BACK TO 1/2. FOUND UPPER ENGINE OIL LINE AT OIL FILTER HOUSING CHAFED. REPLACED CHAFED LINE, COI ISSUED/ AMM 20-11-18.