As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WATER LEAK AT PRESSURE BULKHEAD ABOVE APU GENERATOR FEED CABLES. *S/D* UPON INSPECTION AND DISASSEMBLY IT WAS FOUND THAT THE HI-LOKS ATTACHING THE AFT END OF STRINGER 2A RIGHT TO THE BS 1016 FRAME SUPPORT STRUCTURE (69-41417-1) WERE ATTACHED WITH SELF LOCKING NUTS AND WERE LOOSE. THE FITTING WAS INSPECTED AND REASSEMBLED WITH HI-LOK COLLARS AND RETURNED TO SERVICE.