Service difficulty report · Circuit Breaker · Boeing 737990ER

Difficulty date
August 24, 2016
Submitted
August 26, 2016
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
9,831 hours, 3,193 cycles
Part
Circuit Breaker
Condition
Open
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

LEFT FORWARD WINDOW HEAT OVERHEAT LIGHT. ACFT GROUNDED. FOUND LT FORWARD WINDOW HEAT C/B OPENED. PERFORMED C/B RESET PROCEDURES IAW AMM 20-60-01. NO DEFECTS FOUND. PERFORMED WINDOW HEAT SYS OPS CHECK IAW AMM 30-41-00. OPS NORMAL.