What was found
PITTING CORROSION ON LH WING UPPER SKIN LANDING FOR PANEL 540AT. ***AIRCRAFT REMOVED FROM SERVICE*** BLENDED DAMAGE ON LH WING UPPER SKIN LANDING P/N 601R10042-7 FOR PANEL 540AT. PERFORMED HFEC WITH NO INDICATIONS. PERFORMED ROTO PEEN TO REWORKED AREAS. RESTORED PROTECTIVE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW ASAP EA #AWAC-CRJ257-01793 REV IR DATED 1/16/2022. WORK PERFORMED UNDER AERSALE WORK ORDER 003526, CARD NO. 20297, TT: 39,745:56 TC: 39,335.