Service difficulty report · Warning Message · Boeing 737890

Difficulty date
February 18, 2014
Submitted
February 20, 2014
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
28,682 hours, 8,754 cycles
Engine
Cfmint CFM567B27
Part
Warning Message
Condition
False Activation
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DURING TAXI INTO GATE, ABOUT 7 MINUTES AFTER TOUCHDOWN, RECEIVED A NR 2 ENGINE OIL FILTER BYPASS. SHUTDOWN ENGINE. ALL ENGINE OIL INDICATIONS WERE NORMAL. ACFT GROUNDED. FOLLOWED FIM TASK 79-05, TASK 817 FOR OIL FILTER BYPASS MESSAGE. EEC SHOWED MSG 79-3112, BUT NO FURTHER BYPASS. PERFORMED CHECK OF THE ENGINE CHIP DETECTORS IAW AMM 79-00-00, AND REPLACEMENT OF THE SCAVENGE OIL FILTER ELEMENT IAW AMM 79-21-06, AND OIL SUPPLY FILTER ELEMENT IAW AMM 79-214-03. NO ABNORMAL CONTAMINATION NOTED IN ANY FILTER. PERFORMED LEAK CHECK AND OPS CHECK IAW AMM 71-00-00. NO LEAKS NOTED AT THIS TIME. NO BYPASS INDICATION NOTED, DURING ENGINE RUN. NO CURRENT EEC FAULT. OK FOR SERVICE.