What was found
DURING HEAVY MAINTENANCE VISIT AT TIMCO, FOUND STA 227 STR 3L PUNCTURED. REPAIRED DAMAGED STRINGER SECTION IAW B737 SRM 53-10-3, FIG 3, SRM 51-10-3, SRM 51-20-4, AND SRM 51-30-2. AIRCRAFT RETURNED TO SERVICE. MATERIAL I.D. .040 INCH .040 7075 T6 STRINGER SPLICE. TIMCO NON-ROUTINE CARD NR 28994. (X)