As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECT NOSE GEAR DOOR SLIGHTLY DROOPING AS FEEL LIGHT VIBRATION IN CRUISE FL 340 MACH .820. SAMC TEXT: CREW NOTICED RUMBLING MORE PRONOUNCED ON MID CABIN LEFT SIDE. TURNED OFF FWD GALLEY EQUIPMENTS, INCREASE & DECREASED AIR SPEED, NO CHG. ENG'S PNEUMATIC AND PACKS NORMAL, PER CREW. REPLACED FWD HINGE BEARING PER MM. ONLY BEARING WAS REPLACED, SAME DOOR WAS RE-INSTALLED AND NO ADJUSTMENTS WERE MADE.