As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION A CRACK WAS NOTED ON THE EXTERIOR OF THE FUSELAGE BS 254 STRINGER 10 LEFT. CUT OUT DAMAGED SKIN, VERFIED CRACK CONTAINEMENT WITH NDT. FABRICATED FILLE AND FABRICATED DOUBLER. INSTALLED FILLER AND DOUBLER IAW SRM 53-30-03. NO OTHER DEFECTES WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.