What was found
AIRCRAFT 9550, LIGHTNING STRIKES ON SKIN STA Y=256, 229 AND BTW RH LONGERONS 15/16 AT EXTERNAL FUSELAGE. CORRECTIVE ACTION: SKIN STA Y=256, 229 AND BTW RH LONGERONS 15/16 AT EXTERNAL FUSELAGE WAS REPAIRED PER. PRI 619580-14 REV. 4 AND ER/A 619580-14AD REV. ORIGINAL SECTION I: PERMANENT REPAIR. (LP 0516030)