What was found
EMERGENCY DECLARED - LVL 2 TNK WING OVERFILL TO FUEL IMBALANCE, FUEL IMBALANCE. FUEL OFF SCHEDULE. NR 3 TANK GAUGE INDICATED 41.700. SUSPECT FLOAT SWITCH OR FILL VALVE AFTER CONFIRMING. COULD NOT FILL NR 3 TANK. FUEL WAS MOVING FROM UPR AUX TO NR 3 W/AUX TRANSFER PUMPS ON AND NO FILL VLV OR FLOW INDICATION ON SYNOPTIC. PERFORMED ADJUSTMENT TEST OF THE CROSSFEED MANIFOLD REF AMM 28 22 00 5. CHECKS GOOD, THIS CLEARS M448304.