As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF FQIS BITE GROUND TEST SHOWS HARD FAULT MSG 28-41208 FOR NR 2 TANK. DUE TO FAULT HISTORY, REQUIRES SYS DEFERRAL. ACFT GROUNDED. R & R COMPENSATOR UNIT, REF AMM 28-41-21-400-801. COMPENSATOR CAPACITY IS 57.8 PF. THIS CLEARS MEL 28-6B. LEAK CHECK GOOD, REF AMM 28-11-00-400-801.