As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU NO START. TWO ATTEMPTS APU HANGS AT 25%, PLACED ON MEL. APU HAS LONG HISTORY OF FAILED STARTS. BEFORE REPLACING ANYMORE PARTS REQUEST HIGH TIME APU SN 2614 BE REPLACED. R & R APU IAW AMM 49-11-01. OPERATIONS & LEAK CHECKED GOOD. MEL CLOSED & PLACARD REMOVED. ROTABLE PARTS CHANGE WAS INDICATED TT 1500258 SN OFF 02614 APU, AUX POWER OFF 19-4911-9-0002 2614 ON 19-4911-9-0002 2469.