Service difficulty report · Pin · Boeing 767322

Difficulty date
August 6, 2002
Submitted
September 11, 2002
Operation
Air carrier
Aircraft
N662UA
Make and model
Boeing 767322
Aircraft serial
27159
Aircraft time
41,163 hours, 6,611 cycles
Engine
Pwa PW4060
Part
Pin
Condition
Burned
Location
Cockpit
Stage of operation
DE
How discovered
O
Nature of condition
I, J
Precautionary procedure
K

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

What was found

POWER LOST TO FIRST OFFICERS PRIMARY INSTRUMENT BUSS. FLAGS IN VIEW ON FO AIRSPEED INDICATOR, RDMI, VERTICAL SPEED INDICATOR, EHSI AND EADI BLANK. FOUND PIN 4 OF D6430P BURNT, REPLACED PIN. THIS IS 'A' PHASE FROM FIRST OFFICER'S INSTRUMENT BUS VOLTAGE SENSE UNIT COMMON TO FIRST OFFICER'S INDICATORS. REPLACED D6430J DUE TO INSULATION DAMAGE. ALL SYSTEMS AND INDICATORS CHECK GOOD.