What was found
DURING STBY POWER CHECK EMERGENCY EXIT LIGHTS WOULD NOT STAY ILLUMINATED. REMOVED AND REPLACED BATTERY PACK IAW B-727 M/M 33/50/71.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING STBY POWER CHECK EMERGENCY EXIT LIGHTS WOULD NOT STAY ILLUMINATED. REMOVED AND REPLACED BATTERY PACK IAW B-727 M/M 33/50/71.