SDR EIAA9628

Service difficulty report · Bypass Light · Boeing 747273C

Difficulty date
August 11, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N470EV
Make and model
Boeing 747273C
Aircraft serial
20653
Part
Bypass Light
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
CL
Nature of condition
N
Precautionary procedure
A, J, E

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

What was found

LAX - ON CLIMB-OUT, NR 2 ENGINE OIL BYPASS LIGHT CAME ON AND STAYED ON EVEN AT IDLE THRUST. ENGINE SHUTDOWN, DUMPED FUEL, AND RETURNED TO LAX. OIL PRESSURE NORMAL. NR 2 ENGINE OIL FILTER INSPECTED AND FOUND TO BE CLEAN AS PER DDPG 79-3. OIL FILTER REPLACED AS A PRECAUTION. INOPERATIVE ENGINE OIL PRESSURE BYPASS WARNING LIGHT TRANSFERRED TO CAT C DMI PER MEL 79-3. OIL FILTER TO BE CHECKED EVERY 30 HOURS. (M)