As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A 'ZERO' LIGHT 'C' INSPECTION BEING PERFORMED IN OSC AT AMERICAN INTERNATIONAL AIRWAYS REPAIR STATION, A CRACK WAS DETECTED ON THE LEFT HORIZONTAL STABILIZER AFT UPPER CLOSURE RIB CHORD. REPAIRED IAW AIA EDR B2-06525 AND BOEING SB 727-55-81. DER APPROVED ON 8110-3 DATED MAY 17, 1999. (X)