Service difficulty report · Remote Switch · Bbavia 8GCBC

Difficulty date
February 3, 2011
Submitted
March 15, 2011
Operation
General aviation
Make and model
Bbavia 8GCBC
Aircraft time
4,213 hours
Engine
Lyc O360C2E
Part
Remote Switch
Part number
345619604
Condition
Failed
Location
Elt
Part time
345 hours
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

(CAN) DURING A FUNCTION TEST IT WAS DISCOVERED THAT THE LED LIGHT FAILED TO WORK. AS WELL WHEN THE SWITCH WAS TURNED TO THE ON POSITION, THE ELT ACTIVATED PROPERLY. BUT WHEN TURNED BACK TO "ARM" THE ELT FAILED TO RESET. A MANUAL RESET WAS POSSIBLE AT THE UNIT ITSELF. TROUBLESHOOTING REVEALED THAT THE LED PROBLEM WAS WITH THE SWITCH ITSELF, BUT FAILED TO IDENTIFY THE OTHER PROBLEM DUE TO A SECOND SWITCH FAILURE. THE REPLACEMENT OF THE SWITCH WITH A NEW SWITCH IDENTIFIED THE SWITCH TO BE THE CAUSE OF THE PROBLEM WITH THE RESET FAILURE AS WELL. THE SWITCH IS BEING RETURNED TO THE MANUFACTURE FOR EVALUATION.