What was found
THE RT WING RETRACTABLE LANDING LIGHT WAS FAILED, REMOVED, SENT OUT FOR O/H. RETURNED FROM O/H, INSTALLED 8/6/04 AND OPS CHECKED OK. UNIT FAILED 11/1/04 AND WAS REMOVED. UNITS MOTOR WORM GEAR WAS ACCESSED, REMOVED AND THE MECHANIC DETECTED NO WOODRUFF KEY WAS INSTALLED AND ONLY SET SCREWS WERE DRIVING THE GEAR STRIPPING THE PARTS. A NEW WORM GEAR AND WOODRUFF KEY FURNISHED BY THE O/H AGENCY WERE DELIVERED, AND INSTALLED IAW STANDARD PRACTICES. RECOMMEND CLOSER INSPECTION.