As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ROTATION IN RDU 3 LOUD BANGS FROM NOSE GEAR AREA ON LANDING, WITH GEAR EXTENDED, NOTICED A DEEP RUMBLE IN FLOOR UNDER PILOTS FEET. EMERGENCY WAS DECLARED. INSPECTED NLG AREA. NO DAMAGED NOTED. R&R BOTH NLG TIRE IAW AMM 32-40. LUBE NLG SYS. A/C OK FOR SVC.