What was found
IAH - DURING C-CHECK INSPECTION, THE SERVICE DOOR CUT-OUT LOWER AFT SEAL RETAINER WAS FOUND CRACKED. MAINTENANCE REMOVED AND REPLACED THE AFFECTED SEAL RETAINER IAW ATR42-320 SRM 51-25-02, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ACFT TT: 19,271.5 HOURS. CYCLES: 22,334. (X)