29.1017—Oil lines and fittings.
(a)
Each oil line must meet the requirements of § 29.993.
(b)
Breather lines must be arranged so that—
(1)
Condensed water vapor that might freeze and obstruct the line cannot accumulate at any point;
(2)
The breather discharge will not constitute a fire hazard if foaming occurs, or cause emitted oil to strike the pilot's windshield; and
(3)
The breather does not discharge into the engine air induction system.