Service difficulty report · Oil System · Boeing 747422

Difficulty date
November 6, 2007
Submitted
November 8, 2007
Operation
Air carrier
Aircraft
N127UA
Make and model
Boeing 747422
Aircraft serial
28813
Aircraft time
33,174 hours, 4,060 cycles
Engine
Pwa PW4056
Engine time
32,035 hours, 3,925 cycles
Part
Oil System
Condition
Fluctuates
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FLIGHT DIVERTED DUE TO FLUCTUATIONS WITH OIL PRESSURE, QUANTITY & TEMPERATURES ON NR 1 ENGINE.