As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - DURING FLIGHT (WIT APU OFF) APU OIL QUANTITY INDICATED "ADD" AND .25 ON GROUND WITH APU RUNNING APU OIL QUANTITY INDICATES "FULL". CHECKED OIL QTY OF APU AT SIGHT GAUGE TANK FULL. PERFORMED OPERATIONAL CHECK OF APU ON GROUND. OIL INDICATING SYS OPS CHECKS NORMAL IAW AMM 49-94-00/001.