What was found
DURING "C" CHECK DISCREPANCY AS FOLLOWS, "AFT. PRESS. BULKHEAD BS 1183 RBBL 36.4 VERTICAL BEAM IS CRACKED FROM INB/OUT AFT. FLANGES. STOP DRILLED CRACKS AND INSTALLED REPAIR PARTS PER S/B 727-53-0192 REV. 1, FIG. 2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING "C" CHECK DISCREPANCY AS FOLLOWS, "AFT. PRESS. BULKHEAD BS 1183 RBBL 36.4 VERTICAL BEAM IS CRACKED FROM INB/OUT AFT. FLANGES. STOP DRILLED CRACKS AND INSTALLED REPAIR PARTS PER S/B 727-53-0192 REV. 1, FIG. 2.