Service difficulty report · Circuit Breaker · Boeing 737990ER

Difficulty date
January 30, 2015
Submitted
February 2, 2015
Operation
Air carrier
Aircraft
N469AS
Make and model
Boeing 737990ER
Aircraft serial
41702
Aircraft time
1,691 hours, 549 cycles
Part
Circuit Breaker
Condition
Tripped
Stage of operation
TX
How discovered
O
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

F/O'S COURSE WINDOW IS BLANK. ACFT GROUNDED. FOUND MCP 1 CIRCUIT BREAKER OUT ON P18-1 AND YAW DAMP 1 DC CIRCUIT BREAKER OUT. ACCOMPLISHED CIRCUIT BREAKER RESET PROCEDURE REF 20-61-00. NO DEFECTS NOTED. MCP TEST NORMAL REF. 22-11-34. ACFT REMAINS CAT IIIA AUTOLAND & HGS. VERIFIED STATUS PLACARD.