Service difficulty report · Oil System · Boeing 74746NF

Difficulty date
November 6, 2015
Submitted
November 12, 2015
Operation
Air carrier
Aircraft
N450PA
Make and model
Boeing 74746NF
Aircraft serial
30808
Aircraft time
64,457 hours, 10,711 cycles
Engine
Ge CF680
Part
Oil System
Condition
Low
Location
Nr 1 Engine
Part time
2,067 hours, 329 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

LOW OIL QUANTITY IN CRUISE. GOT DOWN TO 2 QTS INDICATED. INSPECTED NR 1 ENGINE IAW AMM 72-00-00 AND FOUND LEAKAGE FROM B-SUMP SCAVANGE DRAIN TUBE. R & R NR 1 ENGINE IAW BOOTSTRAP METHOD IAW W/C E2023.

More about the Boeing 747-46NF