As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP(<P>TRANSFERRED TO MDDR 128526 IAW MEL 49-11-01A , CAT 'C'.</P><P>LP 1141077-7 - REMOVED AND REPLACED APU IAW WO #66347. OPS AND LEAK CHECK GOOD AT THIS TIME. THIS CLEARS DMI 128526, MCC NOTIFIED (AMM 49-11-01/401).</P><P>(NOTE: OPENED MDDDR 128588 - FOR APU COLD SOAK START VERIFICATION - DDG 25-AP-01)</P>)