SDR ASAA2015071912506

Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date: July 19, 2015
Submitted: July 21, 2015
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 29,990 hours, 9,249 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 2450 · AC Power Distribution System
Part: Circuit Breaker
Condition: Tripped
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

ENGINE 1 ALTN POWER CHANNEL A CIRCUIT BREAKER FOUND POPPED ON PREFLIGHT. ACFT GROUNDED. CHECKED C/B PANEL, RESET C/B, PREFORMED FIM 73-00, TASK 801, NO FURTHER PROBLEMS, OPS GOOD, REF MM 20-60-01. PERFORMED GROUND VERIFICATION TEST IAW MM 73-21-00-700-804-F00 ON ENGINE NR 1 ELECTRONIC ENGINE CONTROL. TESTS PASSED.