Service difficulty report · Switch · Boeing 767333

Difficulty date
April 27, 2000
Submitted
January 22, 2001
Operation
General aviation
Make and model
Boeing 767333
Aircraft time
18,105 hours
Engine
Pwa PW4060
Part
Switch
Part number
851307683020
Condition
Burned
Location
Indicator
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

(CAN) CENTER HYD PUMP FAILED IN CRUISE ELECTRICAL BURN SMELL IN COCKPIT, SMOKE EVIDENT, PUMP SHUT OFF, SMOKE DISSIPATED. SWAPPED C1 AND C2 DELAY MODULE AND CHANGED C1 LIGHT SWITCH. ON CLIMB THERE WAS A BURNING SMELL, C1 HYD SYSTEM SHUT DOWN A/C DIVERTED. FOUND C1 SWITCH LIGHT AND C2 DELAY MODULES BURNT. NEW TIME DELAY INSTALLED AND C2 POSITION SWAPPED FOR RECIRC FAN SWITCH.