Airworthiness Directive · Amendment 39-11130 · Puritan-Bennett Aero Systems Company C351-2000 Series Passenger Oxygen Masks and Portable Oxygen Masks
Puritan-Bennett Aero Systems Company C351-2000 Series Passenger Oxygen Masks and Portable Oxygen Masks
Puritan-Bennett C351-2000 series passenger oxygen masks and portable oxygen masks, part numbers as listed below, that (1) have elastomer cure dates between September 1993 and March 1997; and (2) are installed in aircraft that are certificated in any category: Passenger Masks C351-2000-00 C351-2000-02 C351-2000-21 C351-2000-38 C351-2000-52 C351-2000-59 C351-2000-63 114006-01 174006-16 174006-30 174006-31 174290-21 174290-22 174290-24 174290-26 174291-21 174291-23 174291-24 174501-00 174504-01 (C351-2000-205) 174505-01 (C351-2000-201) 174506-00 (C351-2000-223) 174509-00 (C351-2000-302) 174510-01 (C351-2000-224) 174510-08 (C351-2000-231) 174510-09 (C351-2000-232) 174510-10 (C351-2000-233) 174510-11 (C351-2000-234) Drop-Out Box Assemblies 115055-04 115055-10 175011-01 175015-00 175016-00 175105-00 175109-00 175112-10 175112-11 175112-21 175112-90 175205-00 175210-00 175215-01 175222-11 175222-13 175222-20 175222-21 175222-90 175224-00 175242-00 175242-01 175242-02 175303-00 175308-00 Emergency Oxygen Portable Assemblies 176960-13 176960-14 176980-00 176965-SMB2 176965-SCOB2 176965-SMO2 176965-SCMB2
This amendment adopts a new airworthiness directive (AD) that applies to any aircraft equipped with Puritan-Bennett Aero Systems Company (Puritan-Bennett) C351-2000 series passenger oxygen masks and portable oxygen masks. This AD requires inspecting the passenger and portable oxygen masks for tears around the face cushion adjacent to the inner mask housing, and replacing or repairing any torn passenger or portable oxygen mask. This AD is the result of reports received from three airplane manufacturers of defective oxygen masks. The actions specified by this AD are intended to prevent reduced oxygen consumption when passengers are required to use defective oxygen masks, which could result in passenger injury.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Appliances and equipment
