Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
June 20, 2017
Submitted
June 22, 2017
Operation
Air carrier
Aircraft
N464AS
Make and model
Boeing 737990ER
Aircraft serial
40714
Aircraft time
12,586 hours, 4,099 cycles
Engine
Cfmint CFM567B27E
Part
Warning Light
Condition
False Activation
Location
Nr 1 Eec
Stage of operation
LD
How discovered
9
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

ON LANDING THE NR 1 ENGINE EEC LIGHT ILLUMINATED. COCKPIT ENGINE INDICATIONS NORMAL. ACFT GROUNDED. PERFORMED EEC BITE CHECK IAW FIM 73-00, TASK 801. NOTED TWO FAULTS ON PRESENT FAULTS SECTION. PERFORMED ENGINE RUN FOR 5 MINUTES. ALL FAULTS CLEARED. EEC LIGHT NOT ILLUMINATED. AIRCRAFT IS APPROVED TO RETURN TO SERVICE.