As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AUTO SHUTDOWN / APU FAULT.(<P>APU DEFERRED IAW MEL 49-11-01A THIS IS A CAT "C" ITEM. APU ECU SHOWS "HIGH OIL TEMP" FAULT MDDR# 128079. TIME 22:49Z INT: JT DUE DATE 17MAY20.</P><P>LP 1140515: REMOVED AND REPLACED OIL TEMP CONTROL VALVE ASSY IAW AMM 49-27-10, APU OPS CHECK GOOD. THIS CLEARS MDDR 128079.</P>)