As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NR 1 ENGINE CHANGE NOTICED THAT BOTH FORWARD ENGINE MOUNTS 65B90335-7 & -8 WERE LOOSE. IT WAS REPORTED THAT AN APPROX .125 INCH SIDE TO SIDE MOTION RELATIVE TO THE ADJACENT WEB WAS POSSIBLE. *S/D* FITTING MOVEMENT DUE TO LOOSE FASTENERS. UAL REPLACED FITTINGS WITH NEW FASTENERS. UAL WILL CHECK OTHER 747-200 ACFT IN FLEET FOR SIMILAR CONDITION.