Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date
March 6, 2017
Submitted
March 8, 2017
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
31,550 hours, 9,374 cycles
Part
Circuit Breaker
Condition
Tripped
Location
Pitot Heat
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FIRST OFFICER`S PITOT LIGHT ILLUMINATED. CIRCUIT BREAKER P-18-3, D-5 TRIPPED. ACFT GROUNDED. INSPECTED THE CIRCUIT BREAKER IAW AMM 20-60-01, NO DEFECTS NOTED. RESET THE CIRCUIT BREAKER AND PERFORMED AN OPS CHECK OF THE PITOT HEAT SYSTEM IAW AMM 30-31-00. SYSTEM OPS NORMAL.