As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 2925, WHEN RT ENGINE WAS STARTED THE LT ENGINE FIRE LIGHT ILLUMINATED. MAINTENANCE REPLACED WEU IAW SF340-MM 31-50-05-4 PN OFF/ON 005WS00, SN/OFF 1463, SN/ON 1301. STARTED RT AND LT ENGINES OPS CHECK GOOD IAW SF340 MM-31-50-00.