As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH SYSTEM NR 3 TURNED ON LEFT ELEVATOR STUCK IN FULL DOWN POSITION (VISUALLY VERIFIED). WITH EITHER SYSTEM NR 1 OR NR 2 TURNED ON, LEFT ELEVATOR RETURNS TO NEUTRAL POSITION AND OPERATES NORMALLY. REPLACED LT ELEVATOR NR 3 PCU AND PCU SHEAR PIN. OPS CHECK GOOD IAW RII 27-404 AND MM 27-33-01. P/N: 27600-3, S/N OFF: MAL3718.