As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORT: STILL HAVE OCCASIONAL LOUD HUMMING IN FWD GALLEY ONCE PRIOR TO LEVEL OFF AND JUST AFTER DESCENT. OPENED CEILING PANELS IN FWD GALLEY FOUND ENTRY LIGHT CONDUITS NOT SECURED, SECURED CONDUITS. NO OTHER DEFECTS FOUND. REINSTALLED PANELS.