What was found
FOUND DURING C-CHECK, CORROSION ON WEB AT STA 294.0 REFER TO CELSIUS W/O 19347, TASK 2566. MAINTENANCE REMOVED CORROSION AND CHECK LIMIT. REMOVED WEB AT STA 294 IAW SRM 51-40-21. MATERIAL IS OUT OF LIMITS REF SRM 51-10-10, LOCATED AND DRILLED COUNTERSANK NEW WEB IAW SRM 51-40-40. INSTALLED NEW WEB IAW SRM 51-40-21/23, P/N 7253721-439.