TIE BREAKER
This is the maximum number of consecutive 9-to-11 hour torque checks you can perform on the tail rotor gear box mounting bolts before all mounting hardware must be replaced.
What is three consecutive checks?
WP 0304, Inspect (Para 3)
During main transmission buildup in preparation for installation, this exact torque range is applied when installing the transmission oil pressure sensor.
What is 120 to 130 in-lbs?
WP 0856, Main Transmission Buildup (Para 18)
Following the hover portion of a transmission functional test flight, maintenance personnel must wait this specific duration before checking the transmission oil level.
What is about two hours?
WP 0863, Inspect, Main Transmission Functional Test (Para 1f, Note)