As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED C-15 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND HORIZONTAL STABILIZER LH LEADING EDGE ATTACHED STRINGER CRACKED AT HSS279L. / REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-20. DRC# 0436 / PSE# 55-10-12, AD 2012-06-09