What was found
AFTER TAKEOFF, DURING CLIMB, THE RT MLG WOULD NOT STOW PROPERLY. DECLARED EMERGENCY, RETURNED TO ELP & LANDED WITHOUT FURTHER INCIDENT. ACFT FERRIED BACK TO PHX WITH MLG DOWN. MX TROUBLESHOT & FOUND UPLOCK ACTUATOR NOT ENGAGING. REPLACED THE RT MLG UPLOCK ACTUATOR IAW AMWEST TASK CARD R4M32010. LEAK CHECK & OPS CHECKS GOOD. VENDOR TEAR DOWN REPORT SHOWS THAT THE UNIT DID NOT HAVE ANY INCOMING TESTS PERFORMED ON IT. VENDOR FOUND WORN HARDWARE, SCRAPER, SEALS, BACK UP RINGS, AND PACKINGS. UNIT WAS OVERHAULED IAW BOEING OHM 32-30-21 REV. 13.