What was found
PHX - SMOKE - 7763452 - WHILE TROUBLE SHOOTING FORWARD LAV AND THRESHOLD LIGHTING ISSUES, MX DISCOVERED ARCED WIRING AT ROW 4 OVERHEAD AREA NEXT TO THE NR 2 VIDEO MONITOR. MX COMPLIED WITH ER 19-2335-07142-KK1 FOR ARCED WIRING. SYSTEM OPERATIONAL CHECKS WERE GOOD PER AMM 33-25-00, 33-26-00, 33-24-00, 38-32-00, 38-13-51-4, 33-51-00-5 AND T/C A1B23604. THE A/C WAS RETURNED TO SERVICE.