Text in force at CS25-28: from CS25-19, effective 16 May 2017.
(See AMC 25.788)
(a) Showers: If a shower cubicle is installed (See AMC 25.788(a) and AMC 25.1447(c)(3)):
(1) audio and visual ‘Return to seat’ indications, readily audible and visible to a shower-cubicle occupant, and activated at the same time as the signs required by CS 25.791(b), must be provided;
(2) audio and visual indications of the need for oxygen use, readily audible and visible to a shower-cubicle occupant, and activated in the case of cabin depressurisation or deployment of the oxygen-dispensing units in the cabin, must be provided;
(3) placards must be installed to indicate that the shower cubicle must not be used for the stowage of cargo or passenger baggage;
(4) there must be means in the cubicle to steady oneself in moderately rough air; and
(5) the shower cubicle must be designed in a way to preclude anyone from being trapped inside. If a locking mechanism is installed, it must be capable of being unlocked from the inside and the outside without the aid of any tool.
(b) Large display panels: Any large display panel installed in the passenger compartment must not be a source of danger to occupants when submitted to any of the following conditions (See AMC 25.788(b)):
(1) each relevant flight and ground load conditions (including the emergency landing conditions prescribed in CS 25.561);
(2) any load to be expected in service; and
(3) a cabin depressurisation.
ED Decision 2017/015/R · Source