As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU OIL QTY INDICATION FLUCTUATING AFTER SHUTDOWN. APU FAILED TO START 3 ATTEMPTS. DEFERRED PER MEL 49-11-01A ON 9/12/2023 CAT C. PERFORMED APU OIL SERVICING IAW AMM 12-13-04/301. PERFORMED TS IAW FIM 49-11 FT 959. NO DISCREPANCIES NOTED, ALL STARTING OPERATION NORMAL. CLEARED MEL 49-11-01A ON 9/13/2023