As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVIDENCE OF CRACKS & CORROSION FOUND AT AFT LT EXHAUST FAN VENT TUBE TO SKIN OPENING AT APPROX STATION 907 FOR VACUUM BLOWER LAVATORY VENT. FUSE SKIN IAW IPC 38-32-06-01 LOG PAGE 732033 FOR SKIN REPAIRS & ECRA 5330-05097. REF LOG PAGE 473203 FOR LAVATORY TANK INSTALLATION. LOG PAGES 4732032 FOR LAVATORY TANK PANELS. INSTALLATION IAW LOG PAGE 4835925 & FOR DIP CREATED IAW ECRA DIP 53.