As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BLACK PLASTIC SPACER BAND IS BEING BROKEN WHEN CASE SCREWS AT THE REAR OF UNIT IS OVER TIGHTENED DURING ANNUAL RECERTS. WHEN SPACER IS BROKEN THE BACK OF UNIT CAN BE OVER TIGHTENED. THE ELT WILL NOT FIT INTO MOUNTING TRAY WHEN THE 2 CASE HALVES ARE SQUEEZED TOGETHER TOO TIGHT.