What was found
ORD - DURING LINE CHECK, FOUND AFT EXTERIOR EMERGENCY LIGHT OUT. REMOVED AND REPLACED BATTERY POWER SUPPLY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - DURING LINE CHECK, FOUND AFT EXTERIOR EMERGENCY LIGHT OUT. REMOVED AND REPLACED BATTERY POWER SUPPLY. (M)