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 143540 IAW DDG 49-11-01B CAT C DUE DATE 11MAR21 PLAC INSTALLED. DISPATCH NOTIFIED.</P><P>LP 1332457: T/S PER FIM 49-11-998 AND FOUND GEN FILER DELTA P SWITCH FAULTY. REMOVED AND REPLACED DIFF PRESS SWITCH PER AMM 49-27-15, OPS OK. MCC NOTIFIED. PLACARDS REMOVED.THIS CLEARS MDDR #143540.</P>)