As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING TAXI OUT, OTHER AIRCRAFT REPORTED FLAMES COMING OUT OF RIGHT ENGINE. EMERGENCY DECLARED. ENGINE FIRE SWITCH PULLED, DID NOT DISCHARGE. NO FLIGHT DECK INDICATION OF FIRE. RETURNED TO GATE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)