Service difficulty report · Circuit Breaker · Boeing 737990ER

Difficulty date
October 31, 2017
Submitted
November 1, 2017
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737990ER
Aircraft serial
41730
Aircraft time
20,019 hours, 6,575 cycles
Part
Circuit Breaker
Condition
Open
Location
Autopilot
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AUTOPILOT A INOPERATIVE. ACFT GROUNDED. FOUND ENGAGE INTERLINK CIRCUIT BREAKER OPEN. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. THE CIRCUIT BREAKER REMAINED CLOSED. PERFORMED DFCS OPS TEST IAW AMM 22-11-00-740-801. OPS CHECKED GOOD. NO FAULTS NOTED.