As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - THE 'B' FLIGHT ATTENDANT REPORTED THE EMERGENCY EXIT LIGHTS IN THE AFT CABIN FLICKERING DURING CLIMBOUT AND DURING APPROACH. ONLY THE AFT CABIN EMERGENCY EXIT LIGHTS WERE AFFECTED. MAINTENANCE REMOVED AND REPLACED POWER SUPPLIES M1137 AND M1197 ALONG WITH THE BATTERY PACKS LOCATED IN AFT GALLEY CEILING PER MM 33-51-51. EMERGENCY LIGHTS TEST NORMAL PER MM 33-51-02.