As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DIVERTED, ECAM APU AUTO SHUTDOWN ON CRUISE. CHECKED APU OIL PRESSURE SWITCH CONNECTOR AND CLEANED IAW AMM 49-94-14. APU OPS CHECKED GOOD. OIL QTY GOOD. THE APU AUTO SHUTDOWN AT 37,000 FT, AGAIN ON DIFFERENT FLIGHT. THE APU LOW PRESSURE SWITCH WAS R & R IAW AMM 49-94-14. OPS CHECK NORMAL.