As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON REACHING LEVEL OFF AT 35000 FT, NR 1 ENGINE VIBRATION EXCEEDED 5.0 N1, IT REACHED A MAXIMUM OF 6.2. REDUCED POWER TO KEEP VIBRATION BELOW 5.0 IAW TSM 77-30-00-810-826A. FOUND NR 1 ENG OIL SERVICE DOOR LOOSE & HAS PLAY. REPLACED ENGINE OIL SERVICE DOOR & HINGE ASSEMBLY IAW SRM 51-42-11.