As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 MAIN FUEL TANK READS 8.50. A FEW MINUTES LATER IT IS READING 8.14. TOTAL WAS READING 41.3. NOW IT IS READING 40.9. APU HAS NOT BEEN RUNNING. ACFT GROUNDED. TASK CARD NG-28WC-00001 ACCOMPLISHED. CURRENT STATUS GOOD, REF FIM 28-41-807.