Service difficulty report · Lubrication Unit · Boeing 737890

Difficulty date
October 24, 2011
Submitted
October 24, 2011
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
17,681 hours, 5,311 cycles
Part
Lubrication Unit
Part number
41F1005
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

GE DIAGNOSTICS REPORTS NR 1 ENGINE OIL PRESSURE READING LOWER THAN EXPECTED. OIL CONSUMPTION WITHIN 5 DAY LIMT AT .26 QPH. ACCOMPLISHED NR 1 ENG EXTERNAL OIL SYS INSPECTION IAW B737NG AMM 79 00 00. NO DEFECTS NOTED. ACCOMPLISHED NR 1 ENG CHIP DETECTOR & SCAVENGE SCREENS INSPECTION IAW B737NG AMM 79 00 00 NO DEFECTS NOTED. REPLACED NR 1 ENG LUBRICATION UNIT IAW B737NG AMM 79 31 01.