What was found
(CAN) DEFECT: RH FUEL DRAIN DRIPPING FUEL WHEN SAMPLED. RECTIFICATION: FOUND DRAIN VALVE MISSING FROM ASSEMBLY. DRAIN ASSEMBLY REPLACED REF 39-A-28-11-05-00A-720-A-A. SAFETY REPORT SUBMITTED BY MAINTENANCE PERSONNEL: C-XXXX HAD FUEL LEAK FROM RH FUEL TANK DRAIN VALVE. REMOVED U/S VALVE AND DISCOVERED POPPET SPRING MISSING. REPLACED VALVE ASSEMBLY, FUEL LEAK STOPPED. MAINTENANCE MANUAL ONLY MENTIONS SPRING IN A NOTE AND DOESN`T SHOW PROPER BREAKDOWN OF THE ASSEMBLY IN NEITHER THE AMP NOT THE IPD. REFER TO DOCUMENTS ATTACHED. (TC# 20190411008)