Service difficulty report · Circuit Breaker · Boeing 737990ER

Difficulty date
October 24, 2017
Submitted
October 26, 2017
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
9,214 hours, 3,060 cycles
Engine
Cfmint CFM567B27E
Part
Circuit Breaker
Condition
Tripped
Location
Eec
Part time
9,210 hours, 3,057 cycles
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

AFTER START, THE NR 2 ENGINE CONTROL LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 EEC IAW AMM 73-21-60. FOUND THE NR 2 RUN/POWER CIRCUIT BREAKER OPEN. INSPECTED BEHIND P6-2 PANEL, NO DEFECTS NOTED. NO HISTORY 60 DAYS, RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. ENGINE STARTED TWICE NO ISSUES NOTED. CHECKED FOR FAULTS AFTER ENGINE RUN, NO FAULTS NOTED.