Service difficulty report · Gyro · Bolkms BK117B1

Difficulty date
July 6, 2010
Submitted
July 7, 2010
Operation
Air carrier
Aircraft
N155SC
Make and model
Bolkms BK117B1
Aircraft serial
7141
Aircraft time
12,390 hours, 36,420 cycles
Engine
Lyc LTS101*
Part
Gyro
Part number
200DC28L
Part serial
3485
Condition
Failed
Location
Co-Pilot/Standby
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

5 MIN AFTER TAKEOFF, BASE CALLED AND SAID OUTERLINK WAS NOT TRACKING . THEN 15 MIN AFTER THE CALL FROM BASE, IT WAS NOTED, A SMELL OF SMOKE IN THE COCKPIT. STANDBY DG CIRCUIT BREAKER POPPED. PERFORMED PRECAUTIONARY LANDING. INSPECTION SHOWED THE STANDBY GYRO MELTED AT THE BACK. TIME SINCE REPAIR/OH UNKNOWN.