What was found
DURING HEAVY MAINTENANCE, CORROSION ON INTERNAL SKIN BTW FR86/FR87 AND STGR 29L/28L; REMOVED CORROSION AND EVALUATED. FOUND OUT OF LIMITS. PER EMB 190 SRM 53-23-01/ADS51. PERFORMED REPAIR PER EC E22-324-01, ETI 190-22-561 REV 6 AND EDT2022-190-015055 REVD. WORK ACCOMPLISHED ON TOMX NR 00411.