As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU GEN INOP. FREQ LOW, AIR OK(<P>TRANSFERRED TO MDDR # 106940 AS PER MEL 49-11-01A CAT C </P><P>LP 1053779-3 (RIV) - PFMD BPCU BITE IAW FIM 24-20 FT 801 FOUND APU GENERATOR CONTROL UNIT FAULTING. REMOVED AND REPLACED APU GCU IAW AMM 24-22-02 OPS CHECK GOOD NO FURTHER DEFECT NOTED. MCC ADVISED - PLACARDS REMOVED.</P><P>NOTE: NO NEED FOR APU COLD SOAK START VERIFICATION DUE FAULT ONLY INVOLVING APU GENERATION (NOT STARTING CIRCUIT) </P><P><BR /></P>)