As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A POSSIBLE PRESSURIZATION ISSUE, INSPECTED THE VHF ANTENNA FOR POSSIBLE EXTERNAL SKIN CRACKS IN THE PRESSURE VESSEL AND FOUND NO CRACKS IN THE BS 222 - 252.3 OUTSIDE SKIN, FOUND THE FORWARD AND AFT STRINGERS IN THE INTERNAL STRUCTURE THAT SUPPORTS THE ANTENNA WERE CRACKED. THIS ACFT IS MODIFIED FOR SPECIAL MISSION MARITIME PATROL WITH A CAMERA MOUNTED IMMEDIATELY AFT OF THE NOSE GEAR DOORS.