TM 1-1520-238-23
7-523
7.136.
PRESSURIZED AIR SYSTEM TEE AND CHECK VALVE REMOVAL/INSTALLATION continued
d. Inspect (QA).
e. Perform pressurized air system leak check (para 7.115).
f. Install APU cover (para 15.42).
g. Install catwalk (para 2.84).
h. Secure access doors T250L, T250R, T290L, T290R, and L325 (para 2.2).
END OF TASK