As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU BLEED AIR NO BLEED AIR PRESSURE FROM APU. REPLACED APU INLET GUIDE VANE ACTUATOR IAW AMM 49-52-02. P/N A64847-5 S/N1514 APU OPER STILL NO PNEUMATIC FUNCTION. APUC BITE P2 SENSEN FAULT REF FIM 49-11 FT A21. REPLACED APUC IAW 49-01-04. OPERATED APU PACKS. ADP ENG START MODE ALL FUNCTION SATISFACTORY.