What was found
DURING OPS TEST OF EMERGENCY LIGHTS (TASK CARD #335003) MAINTENANCE FOUND EMERGENCY BATTERY PACK 21LN INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACK 21LN, OPS CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING OPS TEST OF EMERGENCY LIGHTS (TASK CARD #335003) MAINTENANCE FOUND EMERGENCY BATTERY PACK 21LN INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACK 21LN, OPS CHECK OK.