As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE EXECUTION OF BEFORE LANDING CHECKS, THE AUXILIARY POWER UNIT (APU) FAILED TO START, AND THE APU FAIL CAUTION LIGHT ILLUMINATED. THE CREW FOLLOWED THE APPROPRIATE PROCEDURES CHECKLIST AND RETURNED THE AIRCRAFT TO THE HOUMA HELIPORT.