What was found
YYC - DURING C3 CHECK, LEFT WING FUEL BALANCE TUBES DRAIN HOLES DRILLED 180 DEGREES OUT OF POSITION DURING WORK ACCOMPLISHMENT. COMPLIED WITH EA R-57-110. MISDRILLED HOLES PERMISSIBLE IAW EA R-57-110.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - DURING C3 CHECK, LEFT WING FUEL BALANCE TUBES DRAIN HOLES DRILLED 180 DEGREES OUT OF POSITION DURING WORK ACCOMPLISHMENT. COMPLIED WITH EA R-57-110. MISDRILLED HOLES PERMISSIBLE IAW EA R-57-110.