What was found
AIRCRAFT HAS NOTICEABLE AIRFRAME VIBRATION INFLIGHT AT CRUISE. HIGHEST ENG VIBRATION WAS 0.8 N1 ON NR 1 ENG, ALL OTHERS 0.0. REPLACED THE NLG LT AFT DOOR IAW AMM 32-22-13-400-001A. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT HAS NOTICEABLE AIRFRAME VIBRATION INFLIGHT AT CRUISE. HIGHEST ENG VIBRATION WAS 0.8 N1 ON NR 1 ENG, ALL OTHERS 0.0. REPLACED THE NLG LT AFT DOOR IAW AMM 32-22-13-400-001A. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.