As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL CROSSFEED VALVE LIGHT-ON-& "FUEL CROSSFEED" EICAS MSG. DISPLAYED WHEN CROSSFEED SWITCH -OPEN OR CLOSED- SELECTED. AFT CROSSFEED VALVE WILL NOT OPEN- VALVE LIGHT ON WITH SWTCH IN OPEN POSIT. VALVE LIGHT OUT WITH SWITCH CLEARS DEFERRED AFT CROSSFEED VALVE INOP IAW MEL 2822R PROCEDURES. REPLACED ACTUATOR FOR AFT CROSS FLOW VALVE. OPS NORMAL.