As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 1514743) WHILE MTC WAS TRYING REPAIR EXTERNAL GROUND POWER DOOR PER B737-800 SRM 53-10-15-2R-5, MTC FOUND A DAMAGED FASTENER HOLE. WHILE ATTEMPTING TO LAYOUT THE REPAIR FASTENER PATTERN, MTC MISLOCATED AND DRILLED TWO (2) ADDED PILOT HOLES (0.125 DIA.) COMMON TO THE UPPER SKIN PANEL. MAINTENANCE REPAIRED DAMAGE PER ERA 585833-14.