As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L JETPIPE OVHT FAIL AMBER CAS: L JETPIPE OVHT FAIL AMBER CAS MESSAGE ILLUMINATED DURING LEVEL FLIGHT AT FL290. NO EMERGENCY DECLARED AND NO FURTHER ABNORMALITIES OBSERVED. PERFORMED APPROPRIATE CHECKLIST. REMOVED DEFECTIVE EXHAUST NOZZLE SENSING ELEMENT (PN: 744-11645, SN: 220104) AND INSTALLED CUSTOMER SUPPLIED "NEW" SENSING ELEMENT (PN: 744-11645, SN: 233504). ALL WORK PERFORMED REF CL-650 AMM 26-11-04. OP CHECKS GOOD.