What was found
DURING HEAVY MAINTENANCE: CORROSION ON WEB BTW FR15 AND FR16 Y=1170L AT W1; REF; TECHOPSMX WO# N281JB/1974/E19/B7 CHECK NR# 00182 CORROSION ON WEB BTW FR15 AND FR16 Y=1170L AT W1 WAS REMOVED AND EVAL OUT OF LIMITS PER E190 SRM 51-12-01, SRM 51-10-03 & SRM 53-10-10. THEREFORE WAS REPLACED. FOR A NEW WEB PER E190 SRM 51-43-04, SRM 51-41-02 & SRM 51-42-02. MAJOR REPAIR RII 20002656 JESUS DIAZ GUTIERREZ P/N 170-03275-005.