What was found
LT WING LOWER PLANK .450" FASTENER HOLE HAS CRACK INDICATION. STEPPED UP HOLE, COMPLIED WITH NDT, AND REPAIRED HOLE BY COMPLYING WITH EC/TC REO 690-57-21-249 AND REO 690-57-21-249 REV -- DATED 2017-03-16.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT WING LOWER PLANK .450" FASTENER HOLE HAS CRACK INDICATION. STEPPED UP HOLE, COMPLIED WITH NDT, AND REPAIRED HOLE BY COMPLYING WITH EC/TC REO 690-57-21-249 AND REO 690-57-21-249 REV -- DATED 2017-03-16.