What was found
DURING C CHECK, MAINTENANCE WAS REQUIRED TO INSTALL AN ELT ANTENNA (STC# ST02929AT) PER EMTEQ DRAWING 2-32669-701. MAINTENANCE DISCOVERED THAT THE CONFIGURATION OF THE AIRCRAFT DID NOT MATCH THE INSTALLATION DRAWING SEE FIGURE 1. MAINTENANCE CONTACTED ENGINEERING FOR FURTHER EVALUATION. INSTALLATION WAS ACCOMPLISHED PER ABX-REA-2560-64899-00 VENDOR DID NOT REPORT REPAIR TO ABX AIR. THIS WAS DICOVERED BY AN FAA AUDIT OF THE VENDOR.