As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU DUCT PRESSURE OSCILATES BETWEEN 15 AND 5 PSI.(<P>TRANSFERRED TO MDDR # 107924 AS PER MEL 49-11-01-01 CAT C </P><P>LOG PAGE 1042631: REMOVED AND REPLACED A/C APU IAW AMM 49-11-01, LEAK AND OP CHECK GOOD. APU OIL SERVICED & CHK IAW AMM 12-13-04.<BR /></P>)