What was found
DURING C-CHECK INSPECTION AND COMPLIANCE WITH AD 84-07-04 AND 90-18-03, AND SB 53-174 REV 3, FOUND AFT PRESSURE BULKHEAD WEB CRACKED AT FOUR HOLES AT THE TEE SPLICE PLATE ABOVE FRP, RIGHT SIDE. REPAIRED IAW DC-9 SB 53-174.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK INSPECTION AND COMPLIANCE WITH AD 84-07-04 AND 90-18-03, AND SB 53-174 REV 3, FOUND AFT PRESSURE BULKHEAD WEB CRACKED AT FOUR HOLES AT THE TEE SPLICE PLATE ABOVE FRP, RIGHT SIDE. REPAIRED IAW DC-9 SB 53-174.