As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A ATB - NR 2 MANIFOLD FAIL MESSAGE. FUEL IMBALANCE, DUMPED 55.0 LBS OF FUEL TO LAND. DEFERRED UNDER M353851. AFTER CLEARING WAN 136845 REPLACED ALL 6 ZONE SENSORS NR 2 ENG ESC OP CHECKS NORMAL IN AUTO AND MANUAL MODE. ESC PASSES RTS TEST MM 21-08-01. OPERATED APU AIR IN MANUAL AND AUTO MODE. OPS CHECKS NORMAL. THIS CLEARS DEF 353851. PLACARD REMOVED.