What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FLORIDA, FOUND THE MAIN CABIN COMPARTMENT AFT PRESSURE BULKHEAD ATTACH ANGLE IS CRACKED AT APPROXIMATELY 10 O'CLOCK POSITION, RT SIDE. FABRICATED AND INSTALLED PRESSURE BULKHEAD REPAIRS IAW DC9 SRM 53-05-89. N/R NR 927N1/0454.