What was found
FWD CARGO COMPT LOWER STUB FRAME EXTENSION BETWEEN STR 21L-22L AT BS 600 IS CRACKED AT THE LOWER END, IN THE UPPER RADIUS. REMOVED LOWER STUB FRAME AT BS 600, STRINGER 21L-22L IAW B727 SRM 51-30-2. FABRICATED STUB FRAME IAW DRAWING 53FX1350 REV A. INSTALLED STUB FRAME IAW DRAWING 53FX1350 REV A, AND SRM, REV 103, 51-30-2.