Boeing 737 NG Systems Review
Forward Overhead Panel  800/900
Display Selector
Bleed Air Panel 800/900
Left WING–BODY OVERHEAT Light

Illuminated  –

Left light indicates overheat from a bleed air duct leak in the left
engine strut, left inboard wing leading edge, left air conditioning
bay, keel beam or APU bleed air duct.

  • LEFT ENGINE STRUT
  • LEFT INBOARD WING LEADING EDGE
  • LEFT AIR CONDITIONING BAY
  • KEEL BEAM
  • APU BLEED AIR DUCT