As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#15, JFK-SFO. 'INSTALLED NEW EPSU REQUIRES NEW EMERGENCY LIGHT BATTERY; REMOVED AND REPLACED EMERGENCY LIGHT BATTERY IAW AMM 33-51-38 FOR EPSU AT POSITION 13WL. PERFORMED OPS CHECK OF EMERGENCY LIGHTS AND R4 DOOR INDICATION, REF LP 4164843, BOTH OK.'