What was found
MAJOR REPAIR: REMOVED DAMAGED RT HORIZONTAL RIB 11, BETWEEN FRONT SPAR AND MID SPAR. LOCATED, DRILLED AND INSTALLED NEW RT HORIZONTAL RIB 11 BETWEEN FRONT SPAR AND MID SPAR. REF SRM 51-40-08. SEE W/O H6611 SN 426 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.