As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT LOWER COWL ENG DRAINS FIRE SHIELD IS CHAFED AT THE FWD OTBD CORNER. REPAIR IAW EO R540490 USING ONE CORNER FROM A NEW FIRE SHIELD PN CN624-3170-203. RT LOWER TR IS PN CN 624-0104-003 & SN SB087. REPAIRED CHAFE ON RT LOWER COWL ENG DRAIN FIR SHIELD IAW CRJ900 EO RS4090. NO FURTHER DAMAGE FOUND.