As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. EMER LIGHT TEST FAILED DURING SLIDE INSTALLATION OF R4. FOUND DAMAGED WIRE UNDER SEAT TRACK, AT ROW 22BC. REPAIRED WIRES, CHANGED 2 POWER SUPPLIES, POSITION 11 & 12. PERFORMED A SATISFACTORY OPERATIONAL CHECK IAW AMM 33-51-00. SEE AALA201603069006 & AALA201603099001 FOR ADDITIONAL PART INFORMATION.