What was found
AFT FUSELAGE INTERNAL SKIN AT BS 1735 FWD OF LOWER RT HORIZONTAL STAB CUT OUT AREA IS CRACKED. R & R AFT FUSELAGE INTERNAL SKIN AT BS 1735 FWD OF LOWER RT HORIZONTAL STAB CUT OUT IAW SRM 51-40-2. CRACKED LENGTH 2.5 INCHES, PN 148T7321-2, PART NAME SKIN PANEL, SN NSN, FS LOCATION 1725 TO 1738, STRINGER WS LOCATION WL 205 TO WL 234. ACFT WAS GNDED.