As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - EPSU UNIT EMER L AND EPSU UNIT EMER FWD MESSAGES EPSU UNIT EMER L BATTERY AND EPSU UNIT EMER FWD BATTERIES REPLACED IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A. TEST OK.PARTS USED: 18-3351-3-0001,QTY :1