As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - AFTER LANDING APU WOULD NOT START. AUTO SHUTDOWN TWICE. TEMP OK. HUNG UP AT 30 RPM AND SHUTDOWN. PERFORMED VISUAL INSP OF APU. NO DISCREPANCIES NOTED. PERFORMED ECU BITE IAW AMM 49-11-00-1, FIG 103. APU ELECTRICAL AND PNEUMATIC LOADS NORMAL. START ABORTED FAULT PRESENT, LAST (2) ATTEMPTS PRIOR TO MX SUCCESSFUL ATTEMPTS. NO FURTHER FAULTS.