As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ICE DETECTOR FAIL CAS MESSAGE DISPLAYED AT 27000 FT AGL AND REMAINED ON. FOUND CHAFED WIRE IN A WIRING BUNDLE RT SIDE FUSELAGE FWD OF AFT ENGINE BEAM AT FUSELAGE STA 573. NO APPARENT CAUSE FOR CHAFE. APPEARS CONDITION WAS PRESENT AT PRODUCTION. WIRE WORE THROUGH POSSIBLY DUE TO FLEXING OF BUNDLE. REPAIRED BROKEN WIRE IAW MFG ELECTRICAL INSTALLATION MANUAL AND APPLIED PROTECTIVE SILICONE TAPE AND SPIRAL WRAP. PERFORMED OPS CHECK OF SYS WITH SATISFACTORY RESULTS.