What was found
DURING TRANSIT CHECK, A WATER LEAK WAS DETECTED ON UPPER CREW CABIN. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT SERVICE AIRCRAFT WAS PRESSURIZED AND LEAK TEST WAS PERFORMED, DETECTING LEAKS ON STRINGER 1 FS. Y-157 TO Y-157A AND 256, STRINGER 2 AND 3 AND FS. Y-1136 TO FS. Y-1380, LT STRINGER 14 TO RT STRINGER 14. AFFECTED AREAS AND TCAS UPPER ANTENNA WERE SEALED IAW SRM 51-20-0, AND AFFECTED RIVETS WERE REPLACED AT FS. Y-207 AND STRINGER NR 1 IAW SRM 51-30-2, ALL CORRECT.