What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS LEFT SIDE WINDOW OVERHEAT ILLUMINATED ON APPROACH. MAINTENANCE REPORTS UPON TROUBLESHOOTING FOUND WIRE WO420-2005B FIMD41440J AND TB4201Y BURNT, WIRE WO420-5504 FROM D01046A AND D04203 BURNT, WIRE W0420-1002 FROM D400685 TO TB 5012 BURNT, SHIELDED WIRE W0420-2001 FROM D01046A TO D400685 BURNT, WIRE W0420-5506 FROM D01046A AND D04203 BURNT, WIRE W0420-2001B/R-20 DAMAG BURNT, WIRE W0420-2003 FROM D400685 TO D400685 BURNT, WIRE W0420-5516 FROM D41440J AND D01048A BURNT, FOUND WIRE W0420-2004 FROM D01046A TO TB4201Y BURNT, WIRE W0420-5517 FROM D414405 AND D01048A BURNT, WIRE W0420-5518 FROM D41440J AND D01048A BURNT. THESE NUMEROUS PROBLEMS LEADING TO THE SHELF ASSEMBLY IN THE E AND E COMPARTMENT AT POSITION E4-2, MFG PART # 284A1742-6. REMOVED AND REPLACED THE SHELF ASSEMBLY IAW AMM 20.10.07-400-800.