Service difficulty report · Wire · Bolkms BK117A4

Difficulty date
February 24, 2008
Submitted
February 26, 2008
Operation
Air carrier
Aircraft
N485UM
Make and model
Bolkms BK117A4
Aircraft serial
7129
Engine
Lyc LTS101650B1
Part
Wire
Condition
Chafed
Location
Cockpit
Stage of operation
CL
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

IMMEDIATELY AFTER TAKEOFF, AN ELECTRICAL BURNING ODOR WAS NOTED IN THE COCKPIT. SPAS (STICK POSITION AUGMENTATION SYSTEM) LIGHT ILLUMINATED AND SPAS CIRCUIT BREAKER POPPED. AC LANDED BACK AT HOME BASE WITH OUT INCIDENT AFTER 6 MINUTES OF FLIGHT. THE COMPUTER DAMAGED DUE TO CHAFED WIRES IN THE SPAS HARNESS.