As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4403 - DURING DESCENT INTO GRR, THE CAPTAIN REPORTED A STRONG FUEL SMELL DURING AND AFTER STARTING THE AUXILIARY POWER UNIT. THE AIRCRAFT LANDED SAFELY IN GRR. MAINTENANCE REMOVED AND REPLACED THE AUXILIARY POWER UNIT. OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)