What was found
PIT - THE AFT EMERGENCY EXIT SIGN AT R4 DOOR WAS INOPERATIVE. REPLACED THE BATTERY PACK AT THE R4 DOOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - THE AFT EMERGENCY EXIT SIGN AT R4 DOOR WAS INOPERATIVE. REPLACED THE BATTERY PACK AT THE R4 DOOR.