As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB AT 18,000, THERE WAS A TREMENDOUS THUMP THEN EXTREME VIBRATIONS THRU OUT THE AIRPLANE FOUND NLG DOOR DAMAGED. REMOVED L FWD NLG DOOR IAW AMM 32-23-03. REPLACED LT NLG FWD DOOR AND ATTACHMENTS IAW AMM 32-23-03. CK OK FOR SVC. ORIG SUB DATE: 12/2/2022