As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL COMPARTMENT HIGH ON CLIMB OUT. FOLLOWED QRH PROCEDURE 21.4 RETURNED TO FIELD. REF LOG PAGE 553713 FOR TROUBLESHOOTING & WORK ORDER 260063. FOUND LEAK FROM AFT APU LOAD CONTROL VLV. R & R CLAMP IAW AMM 20-10-11. OPERATIONS & LEAK CHECKED GOOD.