What was found
DURING CLIMB OUT WING O HEAT R CAME ON & STAYED ON FOR ABOUT 10 SECONDS. WE REDUCED POWER TO APPROXIMATELY 70% N1. LIGHT CAME ON AGAIN AT SHORT FINAL FOR ABOUT 3 SECONDS WITH POWER AT ABOUT 50% N1. REPLACED HEAT SHIELD & BLANKET PN 6621281-30, NSN, PN F780220, NSN. REPLACED DIFFUSER & TUBE PN 6621281-32, NSN, PN 6621281-26, NSN & ALL THREE O RINGS PN 222S469-40, NSN. PERFORMED OPERATION & LEAK CHECK OF LE & ANTI-ICE. BOTH OPERATIONS CHECKED GOOD. WORK PERFORMED IAW CE-560XL MM 30-11-00, REV 35.