What was found
AIRCRAFT WAS GROUNDED: DURING PS CHECK FOUND 12 EMERGENCY LIGHTS INOP. MAINTENANCE REPLACED EPSU BATTERY FOR 11WL IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: DURING PS CHECK FOUND 12 EMERGENCY LIGHTS INOP. MAINTENANCE REPLACED EPSU BATTERY FOR 11WL IAW AMM 33-51-38.