As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5640 EMERGENCY LIGHTS INOP AT ROWS 18-22. CORRECTIVE ACTION: REPLACED BATTERY PACK FOR AFFECTED ROWS, R&R BATTERY POWER SUPPLY PER B757 AMM 33-51. FOUND POWER WIRE SHORTED TO SEAT TRACK AT ROW 18 APPLIED SHRINK TUBING OVER CHAFED WIRE PER SWPM 33-50 OPS CHECK NORMAL. (5134141)