As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, FOLLOWING BY HYD 3 FAIL DURING GEAR EXTENSION. RT IAW CREW DEBRIEF THERE HYD QTY WAS 1.8 TO 1.4 IN SYS 3 UNTILL GEAR EXTENSION THEN WHEN TO ZERO. THEY HAD TO MANUAL EXTEND LAND GEAR. REMOVED RT HORIZ STABILIZER TRIM MOTOR REF MM 27-43-30-4. REMOVED RT HORIZ STAB TRIM MOTOR REF MM 27-43-30-4. INSTALLED RT HORIZ STAB TRIM MOTOR REF MM 27-43-30-4. OPS CHECKS GOOD. NO LEAKS NOTED. FACT PREMATURE REMOVAL/INSTALLATION.