As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB OUT AT APPROXIMATELY 17000 FEET RIGHT FUEL IMBALANCE WAS NOTICED AND RAPIDLY DECREASING; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT PHX. REPLACED LEFT WING BOOST PUMP BYPASS (AALA202406031766), PER AMM 28-22-61 AND REPLACED CENTRAL TANK CROSSFEED VALVE ASSEMBLY (AALA202407107316), PER AMM 28-22-21.