What was found
LT LWR FUSELAGE EXTERIOR SKIN SURFACE SHOWS CRACK AT STA 520, ABOVE STR 23L, FWD OF THE STATIC PORT. PERFORMED HFEC AND FOUND CRACK 2" IAW B727 NDTM PART 6 51-00-00 FIG23. REPAIRED FUSELAGE, MDCD SURROUND STRUCTURE TRIPLER AT STA 520, STR 23L IAW EA NR 7-5330-116956 PART 1, B727 SRM 53-30-3 FIG 23, SRM 53-30-3 FIG 1 B. PERFORMED RVSM INSP ON LT FUSELAGE AFFECTED AREA IAW MM 51-10-00.