What was found
ORD - DURING OVERNIGHT MAINTENANCE, AFT LEFT SIDE EMERGENCY EXIT ESCAPE PATH LIGHTS DIM. REPLACED BATTERY PACK FOR AFT LEFT SIDE EMERGENCY EXIT ESCAPE PATH LIGHTS. SYSTEM GROUND CHECK NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - DURING OVERNIGHT MAINTENANCE, AFT LEFT SIDE EMERGENCY EXIT ESCAPE PATH LIGHTS DIM. REPLACED BATTERY PACK FOR AFT LEFT SIDE EMERGENCY EXIT ESCAPE PATH LIGHTS. SYSTEM GROUND CHECK NORMAL OPERATION. (M)