What was found
DURING PSV IN MSP & INSP PER MD80-55A067/DAL EA 09-470871-12 ELONGATED HOLES WERE FOUND IN THE 5911394 LT SPAR CHORD, AT THE 12TH & 17TH HOLES ABOVE THE ZFS=52, SPLICE FIXED L/E TO REMOVABLE L/E SKIN SPLICE. THE HOLES WERE OPENED IN THE SPAR CHORD TO PROVIDE ACCESS FOR CLEAN & ROUND HOLES. THE REPAIR WAS A STRAP BASED ON ATTACHED BOEING REPAIR DWG SG09550005-7001. THE MATING HOLES IN THE REMOVABLE L/E SKIN THAT WERE DMG'D WERE REPAIRED PER ERA#493602-14 HOLES 12&17 WERE OVERSIZED TO .388 DIA WITH .437ED&.400 OVERSIZED WITH .437ED&.400 OVERSIZED WITH .468ED RESPECTIVELY.