What was found
DURING THRU FLIGHT LINE CHECK, TEST OF EMERGENCY LIGHT SYSTEM FAULTED AFT LEFT BATTERY. MAINTENANCE REPLACED BATTERY AND POWER SUPPLY, OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING THRU FLIGHT LINE CHECK, TEST OF EMERGENCY LIGHT SYSTEM FAULTED AFT LEFT BATTERY. MAINTENANCE REPLACED BATTERY AND POWER SUPPLY, OPERATIONAL CHECK OK.