What was found
SLIDE TEST LIGHTS DO NOT ILLUMINATE DURING TEST. REPLACED OVERWING BATTERIES & POWER SUPPLIES IAW MM 25-65-17, SYS OPERATIONS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SLIDE TEST LIGHTS DO NOT ILLUMINATE DURING TEST. REPLACED OVERWING BATTERIES & POWER SUPPLIES IAW MM 25-65-17, SYS OPERATIONS NORMAL.