Service difficulty report · Switch · Boeing 737890

Difficulty date
May 28, 2012
Submitted
May 30, 2012
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
5,363 hours, 1,710 cycles
Engine
Cfmint CFM567B273
Part
Switch
Part number
QA07995
Part serial
804633
Condition
Failed
Location
Nr 2 Engine
Part time
5,362 hours, 1,708 cycles
Stage of operation
CL
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

NR 2 ENGINE FUEL FILTER BYPASS LIGHT CAME ON AFTER TAKEOFF. LIGHT REMAINED ON DURING CLIMB AND LEVEL OFF/ CRUSE AT 10 000. LIGHT EXTINGUISHED DURING DECENT AND REMAINED OFF THRU LANDING. ACFT GROUNDED. DIV TIME 15 MIN. NO 90 DAY HISTORY. ACCOMP TASK 73-00-00-810-801-F00 EEC BITE. NO RECENT FAULTS OR FAULT HISTORY LOGGED. ACCOMPLISHED TASK 73-05-00-810-801-F00 FUEL FILTER BYPASS LIGHT ON STEPS A THRU E(5)(B) TEST NORMAL. STEPS H (1) AND (2) IMPENDING BYPASS CK'S GOOD. NR 2 ENG FUEL FILTER DIFF PRES S/W CHANGED AS A PRECAUTION REF TASK 73-34-01-000-801-F00 AND 400-801-F00. OPS NORMAL. TASK 73-21-00-700-804-F00 (EEC BITE) AND TASK 71-00-00-700-801-F00 (IDLE POWER LEAK CHECK) OPS NORMAL.