As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU DOOR STATUS MESSAGE(<P>TRANSFERRED TO MDDR# 142450 IAW DDG 49-15-01-01B. CAT C DUE 25FEB21.</P><P>LP 1362482: FOUND APU INLET DOOR CB POPPED. RESET CB AND PERFORMED OPS CHECK OF APU IAW AMM 49-11-00. OPS CHECK GOOD. MCC NOTIFIED. THIS CLEARS DMI 148450. PLACARDS REMOVED.</P>)