What was found
WHILE RAISING HEIGHT ON F/O'S SEAT, HEARD LOUD SNAP, WENT DOWN AND VERTICAL ADJUSTMENT BECAME INOP BOTH MANUAL AND ELECTRIC. FOUND DRIVE PINION GEAR BROKEN, REPLACED WITH SERVICEABLE PART IAW WEBER AIRCRAFT CMM. OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE RAISING HEIGHT ON F/O'S SEAT, HEARD LOUD SNAP, WENT DOWN AND VERTICAL ADJUSTMENT BECAME INOP BOTH MANUAL AND ELECTRIC. FOUND DRIVE PINION GEAR BROKEN, REPLACED WITH SERVICEABLE PART IAW WEBER AIRCRAFT CMM. OPS CHECKS GOOD.