1550 no.2 end undercarriage air leak ~~~~~ 1550 no.2 end undercarriage air leak     Found #1550-B4 parking brake air leal badly.Additional finding #2550-B2 & B4 parking brake leak when conducting parking brake operation.Notification raise to RSW. Not: 2222846 #1550-B4 parking brake. Not: 2222848 #2550-B2 & B4 parking brake. Checked by Asruddin/Zulq.  24/11/20