As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DEICE LIGHTS ON THE LT SIDE ARE NOT WORKING WHEN BOOTS ARE INFLATED. MAINTENANCE ACTION FOUND THAT THE DEICE TUBE PASSING THROUGHT THE NR 1 NACELLE WAS CHAFED BY A MISROUTED MLG ALTERNATE RELEASE CABLE. REF IPC 30-10-00, FIGURE 05, ITEM 120D, NEW TUBE WAS INSTALLED IN THE CORRECT POSITION AND FUNCTION CHECKED SERVICEABLE.