Service difficulty report · Circuit Breaker · Boeing 767332

Difficulty date
June 21, 2018
Submitted
June 22, 2018
Operation
Air carrier
Aircraft
N1604R
Make and model
Boeing 767332
Aircraft serial
30180
Aircraft time
87,324 hours, 12,012 cycles
Part
Circuit Breaker
Condition
Failed
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

RETURNED TO DEPARTURE, DUE TO THE FIRST OFFICER MACH AIRSPEED INDICATOR FAILURE. REPLACED THE C581 CIRCUIT BREAKER, RIGHT ADC AND RIGHT MASI. SYSTEM OPERATION IS NORMAL.