What was found
CABIN EMERGENCY LIGHTS FLASHING IN FLIGHT WHILE THE EMERGENCY LIGHTS SWITCH WAS IN THE ARMED POSITION. DUE TO EMERQENCY LIQHTS FLICKERINQ IN FLIQHT, REMOVED & REPLACED #1 EMERQENCY LIQHTS BATTERY PN: 7450LS-00 SN: 006244 WITH NEW PN: 7450LS-00 SN: 007288. DUE TO EMERQENCY LIQHTS FLICKERINA IN FLIQHT, REMOVED & REPLACED #2 EMERQENCY LIQHTS BATTERY PN: 7450LS-00 SN: 005763 WITH NEW PN: 7450LS-00 SN: 007309. OPS CHECKS GOOD. ALL MX COMPLETED IAW EMB-505 AMM CHAPTER 32-52-01