As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP OVERHEAD "EXIT" SIGN AT ROW 35 INOPERATIVE. CORRECTIVE ACTION T/S PER B757 WD 33-51-14, REMOVED AND REPLACED POWER SUPPLY BATTERY. REMOVED ANS REPLACED POWER SUPPLY (M10699), PUT BACK ORGINAL PWR SUPPLY AND BATTERY. CONFIRMED VOLTAGE AT SIGN. OPS NORMAL. (4571270)