As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING T/C NG-28FCD-18088-1, FQIS NR 1 TANK AND COMPENSATOR UNITS TESTING, FOUND FUEL PROBES NR 9, & 10 OUT OF LIMITS. ACFT GROUNDED. REMOVED AND REPLACED THE FUEL PROBES #9 & 10 IAW AMM 28-41-21-400-801. NR 1 TANK FQIS, SYSTEM TEST OPS NORMAL IAW AMM 28-41-00.