What was found
FLIGHT 3557, CREW REPORTED A STRONG ODOR OF FUEL IN CABIN & COCKPIT WITH PACKS ON. APU FUEL SHUT OFF VALVE. REMOVED AND REPLACED APU. THE AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 3557, CREW REPORTED A STRONG ODOR OF FUEL IN CABIN & COCKPIT WITH PACKS ON. APU FUEL SHUT OFF VALVE. REMOVED AND REPLACED APU. THE AIRCRAFT WAS RETURNED TO SERVICE.