As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER T/C NG-28FCD-18088-1 FQIS-NR 1 TANK AND COMPENSATOR UNIT TESTING. FOUND F9 (TANK UNIT OUT OF LIMITS). GROUNDED - YES. REMOVED AND REPLACED F9 TANK UNIT REF AMM 28-41-21. FQIS SYSTEM TEST PASSED AND NO FAULTS REF AMM 28-41-00. FUEL ACCESS PANELS CHECK NO LEAKS REF AMM 28-11-11. COMPARISON CHECKS GOOD REF AMM 28-41-00.