Service difficulty report · Housing

Difficulty date
January 2, 2004
Submitted
January 3, 2004
Operation
General aviation
Part
Housing
Part number
EBCG7
Condition
Broken
Location
G Switch
Component
Elt · Ebc
Component part number
EBC102A
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING ANNUAL INSPECTION, WHILE REMOVING UNIT FROM ITS MOUNTING TRAY, THE IMPACT ACTIVATOR EBC G7 HOUSING BROKE FREE FROM THE BATTERY/TRANSMITTER HOUSING. THESE TWO HOUSINGS APPEARED TO BE EPOXIED TOGETHER. THE UNIT IS 20+ YEARS OLD, ACCORDING TO THE OWNER. THE EPOXY JOINT FAILED, PERHAPS DUE TO AGE, OR PERHAPS DUE TO BEING DROPPED. ACTUAL REASON UNKNOWN. THIS SUBMITTER'S OPINION IS THAT THE JOINT CONNECTION BETWEEN THE TWO HOUSINGS WITH EPOXY IS OF POOR DESIGN. THIS SUBMITTER BELIEVES A MECHANICAL CONNECTION WOULD BE FAR SUPERIOR. THIS IS THE SECOND DEFECT OF THIS TYPE KNOWN TO THE SUBMITTER. THIS PARTICULAR UNIT REPLACED ANOTHER UNIT OF THE SAME MODEL WHICH HAD THE SAME DEFECT, ACCORDING TO THE OWNER.