What was found
EMERGENCY LIGHT SWITCH ON OVERHEAD PANEL IS MOVED FROM THE ARM POSITION TO THE ON POSITION THE LIGHTS ON AFT OF THE OVERHEAD PANEL DO NOT ILLUMINATE. REMOVED AND REPLACED BATTERY PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHT SWITCH ON OVERHEAD PANEL IS MOVED FROM THE ARM POSITION TO THE ON POSITION THE LIGHTS ON AFT OF THE OVERHEAD PANEL DO NOT ILLUMINATE. REMOVED AND REPLACED BATTERY PACK.