What was found
DURING A ROUTINE 100 HOUR INSPECTION, A COMPANY MECHANIC FOUND THE CANTED BULKHEAD, PN 2612060-5, CRACKED AT THE CUT OUT FOR THE ELEVATOR PUSHROD. THE BULKHEAD WAS REPAIRED IAW THE APPLICABLE PORTIONS OF THE MANUFACTURER'S STRUCTURAL REPAIR MANUAL. POSSIBLE CONTRIBUTING FACTORS INCLUDE THE AIRCRAFT'S HIGH TOTAL TIME & HIGH CYCLES, AS WELL AS 2 INCIDENTS OF TAIL DAMAGE, A TAIL CONE STRIKE DURING LOADING & A HORIZONTAL STABILIZER STRIKE DURING ACFT REPOSITIONING UNDER TOW.