What was found
STRONG ODOR OF FUEL THROUGH PACKS WHICH DISSIPATED ONCE APU WAS SHUT OFF. (FLT 5361) REMOVED AND REPLACED O-RING ON FUEL APU CONTROL UNIT FITTING IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STRONG ODOR OF FUEL THROUGH PACKS WHICH DISSIPATED ONCE APU WAS SHUT OFF. (FLT 5361) REMOVED AND REPLACED O-RING ON FUEL APU CONTROL UNIT FITTING IAW AMM.