What was found
PRESURIZATION SYS V/S FLUCTUATES + - 800FT CONSTANTLY CONSTANT LY IN FLIGHTCAPT REPORTS THE V/S FT/MN INDICATION ON CAB PRESS PAGE KEPT FLUCTUATING UP AND DOWN WHEN SWITCHED TO MANUAL MODE INDICATION WENT FULLY CLOSED. CAPT ALSO REPORTS BLEED 2 INDICATION WAS ALSO FLUCTUATING FROM HI TO LOW. RECENTLY INSTALLED NR 2 ENG CHECK LINES FROM THE PYLON TO THE PRV & CHECK THE LINES FROM THE PRV TO THE HPV & 4029KS SOLENOID FOR ISSUES. STARTED HEALTH CHK OF NR 2 ENG IAW TASK 36-11-00-720-804-A-01. UP TO BUT NOT INCLUDING STEP 3. H. DURING THE PNEUMATIC PRV TEST FOUND THE PRV LEAKING AT PNEUMATIC PORT. REPLACED NR 2 ENG PRV IAW AMM 21-63-52-400-001-A.