As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE OVER WING EMERGENCY EXIT LIGHT NOT ILLUMINATING. / T/S & FOUND EMERG. LIGHT OVER LH ESCAPE EXITS (WING) DIMLY LIT. R&R'D BATTERY AT 11WL, NO FIX. RE-INSTALLED ORIG. BAT. REMOVED & CLEANED CANNON PLUG OF EPSU AT 11WL & LIGHT IS WORKING NORMAL. REF A319 AMM 33-51-38 PB401."