As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 1788118) AD RELATED: AA2740-01077, WORK CARD 2740-01077-0101: METALLIC PARTICLES IN THE GREASE AND GREASE COLOR TURNED BLACK AROUND THE HORIZONTAL STABILIZER BALLSCREW AND BALL NUT. HSTA WAS REPLACED UNDER AMDS 2740-01077- 0301 JOB 042-0001.