As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED THIS SERVICEABLE ELECTRICAL MASTER BOX (EMB) AND IT FAILED OUT OF THE BOX WITH A GENERATOR DISCONNECT LIGHT. THE REPAIR WO PAPERWORK THAT ACCOMPANIED THE EMB SAID THAT THE ORIGINAL PROBLEM IT WAS SENT IN FOR WAS A "GENERATOR DISCONNECT LIGHT". THE BOX HAD SERVICEABLE PAPERWORK BUT WAS NEVER FIXED FROM THE ORIGINAL PROBLEM.