As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERGENCY LIGHTS FLASHING IN FLIGHT WITH THE EMER LT SWITCH IN ARM. CORRECTIVE ACTION: REMOVED FWD EMER BATTERY P/N 6450LS-00, S/N 001098 AND AFT EMERGENCY BATTERY P/N 6450LS-00, S/N 000966 AND INSTALLED MODIFIED UNIT. OPERATIONS CHECKS GOOD. THIS SDR IS A CORRECTION TO THE SDR FILED EARLIER TO CORRECT THE UNIQUE CONTROL FROM #DXTA202101310465 TO IT IS A CORRECTION TO DXTA2021013104658.