As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CURRENT (6/2018) C-9 HEAVY CHECK AT GSO, WAS REPORTED WITH FRAYING DAMAGE COMMON TO THE LT OUTBOARD FLAP (PN D5757420200400/ SN TB-12720) AT THE UPPER SKIN AROUND A FILLED PRODUCTION INSPECTION HOLE (SE REF /1/ REO FOR DETAILS). CONTACTED AND INSTRUCTED TO PERFROM REF /3/ SRM REPAIR; APPROVED THIS REPAIR PER REF /2/ RDAS AND IS CLASSIFIED AS MAJOR CATEGORY 'A'. REFER TO EC A18-481-01.