As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: LEFT HORIZONTAL STABILIZER - LEADING EDGE PANEL HAS A CRACKED RIB AT LE STA 291.21. REMOVED AND REPLACED THE CRACKED RIB AT STA 291.21 WITH A NEW SERVICEABLE RIB IAW AARD 51-00-05-1 PAR 1 AND BOEING DRAWING 186A1001.