As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLT 435 - EMERGENCY DECLARED, LANDING AT DESTINATION AIRPORT UNEVENTFUL, WITH CROSSFEED OPEN AND LEFT BOOST PUMPS OFF, FUEL CONTINUED TO BURN OUT OF THE LEFT WING TANK. REPLACED FUEL CROSSFEED VALVE PER MM 28-22-21. LEAK AND OPS CHECK OK. RAN ENGINES AND ABLE TO FEED FROM LEFT OR RIGHT SIDE. (M)