PM found 3508 LLV leaking. To replace. ~~~~~ PM found 3508 LLV leaking During PM check found #3508 bogie 1 Levelling v/v leaking.Replaced and function check ok. Levelling v/v:- New s/n: 1246369 Old s/n: 1363395 Not: 2451257 raise. Done by Pravin/Khalid.  07/01/23