EASA SIB 2010-25
Cabin Oxygen Mask Service Recommendations from Original Equipment Manufacturers, and Cabin Oxygen Masks with B/E Aerospace In-line Flow Indicators Part Number (P/N) 118023-02
EASA Safety Information Bulletin SIB No. 2010-25 provides service recommendations regarding cabin oxygen masks equipped with B/E Aerospace in-line flow indicators part number 118023-02. The bulletin applies to CS1-23 and CS-25 category aeroplanes, including Airbus A318, A319, A320, A321, Boeing 737, 747, 757, 767, 777, and Fokker F28 models. It addresses failures of the in-line flow indicators that can cause oxygen flow interruption during use.