Service difficulty report · Oil Filter · Boeing 767322

Difficulty date
May 16, 2009
Submitted
May 20, 2009
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
70,360 hours, 11,467 cycles
Engine
Pwa PW4060
Part
Oil Filter
Part number
21SN04461
Part serial
177
Condition
Defective
Location
Nr 1 Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

NR 1 ENGINE OIL FILTER MESSAGE DISPLAYED. MESSAGE REMAINED WHEN THRUST REDUCED AND AFTER ENGINE SHUTDOWN. REPLACED OIL FILTER. CHK C-D'S OK, RAN ENG, NO LEAKS NOTED. PROBABLE PART IS OIL FILTER DIFF PRESSURE SWITCH, REPLACED SWITCH.