What was found
DURING SCHEDULED C-15 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND UNDERFLOOR STIFFENER CRACKED AT FS 587, LBL 16, WL 130. REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED C-15 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND UNDERFLOOR STIFFENER CRACKED AT FS 587, LBL 16, WL 130. REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-21.