As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
D: PHX- While performing routine maintenance a 2" crack was found, (visually) on the L/H wing upper skin surface at WBL 172. The crack went from the Aft edge of skin panel Fwd though one rivit hole and to the next rivit hole Fwd where it terminated.C: Maintenance repaired the crack per AWA engineering repair E.R. 15-5724-01182-DL1 and associated 8110-3. The repair is based off Boeing S/B 737-57-1144.