As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELECTRICAL FIRE SMELL UPON STARTING APU AFTER LANDING. DISSIPATED AFTER A FEW MINUTES. PER NO GO ODI PREVENTION PROGRAM, T/S PER AMDS WORK CARD 0550- 2001. NO DISCREPANCIES OR ODORS OR RESIDUAL ODORS FOUND. MCC 220 DESK (MIKE) NOTIFIED. AMDS WORK CARD 0550-9001-A220 ACCOMPLISHED. (LP# 5806756)