What was found
OUTER LENS OF EXTERIOR EMER. LIGHT BEHIND LEFT WING ROOT IS CRACKED. ( EXTERNAL EMERGENCY LIGHT LENSES--DAY OPS ONLY ); CHECKED THE INTEGRITY OF THE LIGHT ASSEMBLY. LENS FOUND OK. REMOVED AND REPLACED OUTER EXTERNAL LENS IAW AMM 33-50-25. OP'S CHK OK. PERFORMED REACTIVATION PROCEDURE OF AFT EXTERNAL EMERGENCY LIGHT IAW AMM 33-50-25-440-801-A. MX-4 UPDATED, PLACARD REMOVED, MCC NOTIFIED. SUPPLEMENTAL INFORMATION TO FOLLOW.