As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HVY CK FOUND LH WING FOUND 1 CRACK .710" LONG ON DOUBLER OF SKIN CUT OUT, SLAT TRACK 6. AAR REPLACED SKIN DOUBLER PN 170-31085-001 IAW SRM 51-41-02, 51-73-04. SEE AAR NRC#4500913-5000-0060 FOR WORK PERFORMED. AC RTS.