As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP(<P>TRANSFER TO MDDR 143411 IAW DDG 49-11-01A CAT C DUE DATE 16MAR.</P><P>LP 1334244: PERFORMED FIM 49-11 FT 869 FROM BLK 01 TO 27. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05. SYSTEM OPERATIONAL. TEST OK. CLEARED MDDR 143411. PLACARD REMOVED. DISPATCH NOTIFIED.</P>)