As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE INSTALLING OPERATIONAL GEAR INTO A NEW AIRCRAFT, THE MAIN LEAD TO THE BUS BAR ON THE CIRCUIT BREAKER PANEL WAS FOUND LOOSE. THE HARDWARE DID HAVE A LOCK WASHER. THIS SAME PROBLEM WAS FOUND ON OTHER AIRCRAFT. (TC NR 20060523008)