What was found
LH WING O/B MAIN FLAP FWD SPAR LOWER CHORD FOUND HEAVY CORROSION AT WBL 361- WBL 390. PERFORMED THE REPAIR ON LH WING O/B MAIN FLAP FWD SPAR LOWER CHORD AT WBL 361- WBL 390 PER FEDEX EA # F-5750-T0346997 P1, TITLE: WING - FLIGHT SURFACES - EXFOLIATION CORROSION C/T LH WING OUTBOARD MAIN FLAP FRONT SPAR LOWER CHORD BETWEEN WBL 361 AND WBL 390.THIS REPAIR WAS CATEGROY B AND WAS CLASSIFIED AS MAJOR PER FEDEX GMM 6-2-100.