What was found
ORD - FLT 4255 - REPLACED TWO EMERGENCY POWER SUPPLIES, ONE IN FRONT OF SEAT 1, AND BETWEEN SEATS 2 AND 3 IN CENTER ISLE. AIRCRAFT WAS RETURNED TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - FLT 4255 - REPLACED TWO EMERGENCY POWER SUPPLIES, ONE IN FRONT OF SEAT 1, AND BETWEEN SEATS 2 AND 3 IN CENTER ISLE. AIRCRAFT WAS RETURNED TO SERVICE. (X)