What was found
WHILE IN HEAVY CHECK - L/H ENGINE I/B TR CENTER BLANKET IS CHAFE. REMOVE DAMAGED CHAFE PLATE , FABRICATE REPAIR PATCH FROM .003" S/ S P.O.# 97613. SPOT WELDED REPAIR PATCH IN PLACE OVER DAMAGED AREA CREATED FROM REMOVING CHAFE PLATE. INSTALLED NEW CHAFE PLATE 301 S/S .016" P.O.# 323526. SPOT WELDED EPLACEMENT CHAFE PLATE IN ORIGINAL LOCATION OF REMOVED DAMAGED PLATE ON L/H ENGINE I/B TR CENTER BLANKET. REF.NO. REPUBLIC AIRWAYS 170EA- 78-31--0004 MR_1.