As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, REF FAS WO N653JB-02-01 NR 00312 EMERGENCY LIGHT TEST FAULT MSG ( LH FWD INT LOAD ) ; REF FAS WO N653JB -02-01 NR 00312 TROUBLESHOOTING PERFORMED FOR EMERG LIGHT FAULT IAW A320 TSM 33-51-00-810-807 R&R CABIN EMERG LIGHT ASSY (21WL) IAW A320 AMM 33-51-11-PB 401 PERFORMED BITE TEST OF EPSU IAW A320 AMM 33-51-00-710-001 TEST GOOD