The ServiCenter, Inc.

Hawker Beechcraft has released 1900 Airliner Series Model Comminque 82 announcing B/E Aerospace mandatory service bulletin 270369-35-01, Revision 1 affecting

This service bulletin identifies a potential for oxygen leakage at the crew mask regulator injector plate assembly for mask part nos. 174250-05 and 174260-12 (Hawker Beechcraft Part Nos. 128-380067-1* and 128-380067-11) manufactured from August 1, 2007 to February 29, 2008.  This bulletin potentially affects all 1900D Airliners due tenance spares rotation for regular maintenance.  It is important for operators to inspect their crew oxygen masks as these leaks may deplete oxygen supply.

Copies of the communique and the service bulletin are attached to this post.

* Please note there is a typo in the Communique misidentifying the part number 128-380067-1 as 129-380067-1; The ServiCenter, Inc. has notified HBC of the error.