As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - ON THE GROUND, L FUEL QTY AND TOTAL FUEL QTY INDICATORS WENT BLANK. STATUS MSG DISPLAYED. AFTER A COUPLE OF MINUTES INDICATORS OPERATED NORMALLY. WORKED OK FOR REST OF FLIGHT. ACCOMPLISHED FUEL QTY BITE CHECK IAW AMM 28-41-00 TEST PASSED OK FOR SERVICE.