What was found
FR 59 FOUND CORRODED BTW STR 21L-20L. CFIV, FR 59 BTW STR 21L-20L BLENDED FOUND OUT OF LIMIT. CF4, FR59 BTW STR 21L-20L CUTOUT PERFORMED AND REPAIR PARTS PREDRILLED. CF4, FR59 LOWER SECTION BTW STR 20R-20L REPAIR PART PARTIALLY INSTALLED. CF4, FR59 BTW STR 21R-20L CORROSION REPAIRED.