As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL QTY DASHED OUT ON BOTH MFD AND #1 FUEL QTY ON EICAS(MX CONFIRMED FUEL QTY DASHED ON BOTH MFD'S AND EICAS WAS TANK. TROUBLESHOT USING FIM 28-41-00-810-916A. FOUND TO BE TRANSITORY CONDITION OF THE WING FCU. R&R FCU AS POSITIVE MAINTENANCE ACTION IAW AMM 28-41-01 OPS CHECK GOOD CLEAR MEL 28-9