Service difficulty report · Circuit Breaker · Boeing 737990ER

Difficulty date
July 10, 2014
Submitted
July 14, 2014
Operation
Air carrier
Aircraft
N462AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
741 hours, 231 cycles
Part
Circuit Breaker
Condition
Tripped
Location
D1
Stage of operation
TX
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

CIRCUIT BREAKER D-1 TRIPPED, DISCOVERED IN PREFLIGHT "AFCS SYS A WARN LIGHT". ACFT GROUNDED. CIRCUIT BREAKER RESET ACCOMPLISHED REF 20-60-01. OPS TEST NORMAL. ACCOMPLISHED (DFCS) OPS TEST IAW AMM 22-11-00. OPS TEST NORMAL, NO FAULTS. NO HISTORY 90 DAYS.