Service difficulty report · Fuel Filter · Boeing 737890

Difficulty date
December 7, 2008
Submitted
December 10, 2008
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
8,693 hours, 2,598 cycles
Engine
Cfmint CFM567B27
Engine time
31,336 hours, 13,671 cycles
Part
Fuel Filter
Part number
FA00631C
Condition
Unknown
Location
Nr 2 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

DURING TAXI OUT NUMBER 2 ENG "FILTER BYPASS" LIGHT ILLUMINATED IT REMAINED ON CONTINUOUSLY UNTIL ENG WAS SHUT DOWN ALL ENG INDICATIONS APPEARED NORMAL. GROUNDED YES. PERFORMED EEC BITE PROCEDURE REF 73 00 TASK 801 WITH 73 31072 MAINT MESSAGE BEGAN FIM TASK 73 05 00 810 801 F00 UP THROUGH STEP E (5)(B) PG 9 OF 21 STARTED STEP E (5)(E) IMPENDING BYPASS "PG 10 REMOVED NR 2 ENG FUEL FILTER TEMP REINSTALLED FILTER COVER IDLE LEAK CHECK (NO CONTAMINATION FOUND ON FILTER) NR 2 ENG FILTER BYPASS DID NOT COME ON DURING SEVERAL STARTS COULD NOT DUPLICATE. THIS COMPLETES FIM TASK 73 05 00 STEP E AND STEP H IMPENDING BYPASS.