8 ADs indexed for Puritan-Bennett Aero Systems aircraft.
Airworthiness Directives; Puritan-Bennett Aero Systems Company C351-2000 Series Passenger Oxygen Masks and Portable Oxygen Masks
Unsafe Condition: Tears around the face cushion adjacent to the inner mask housing of passenger and portable oxygen masks may result in reduced oxygen consumption.
Airworthiness Directives; Puritan-Bennett Aero Systems Company C351-2000 Series Passenger Oxygen Masks and Portable Oxygen Masks
Unsafe Condition: Tears around the face cushion adjacent to the inner mask housing due to a manufacturing defect in masks with an elastomer cure date between September 1993 and March 1997.
Why matched: Airworthiness Directives; Puritan-Bennett Aero Systems Company C351-2000 Series Passenger Oxygen Masks and Portable Oxygen Masks
Airworthiness Directives; Puritan-Bennett Aero Systems Co., Cone and Seal Assemblies, part numbers 210543 and 210543-01
Unsafe Condition: Failure of the ultrasonic weld on the cone and seal assembly of the oxygen mask could result in reduced oxygen flow through the mask, which could prevent the crew from obtaining oxygen in an emerge...
Why matched: Airworthiness Directives; Puritan-Bennett Aero Systems Co., Cone and Seal Assemblies, part numbers 210543 and 210543-01
Airworthiness Directives; Puritan-Bennett Aero Systems Co., Cone and Seal Assemblies, Part Numbers 210543 and 210543-01
Unsafe Condition: Cone and seal assemblies, part numbers 210543 and 210543-01, manufactured or repaired from August 1996 through July 1997, may have faulty ultrasonic welds leading to reduced oxygen flow through the...
Airworthiness Directives; Puritan Bennett Aero Systems Company Series 174290 Constant Flow Airline Portable Oxygen Masks, Part Numbers 174290-14, 174290-24, 174290-34, 174290-44, and 174290-54.
Unsafe Condition: The connector of the Series 174290 Constant Flow Airline Portable Oxygen Masks has an orifice that could restrict oxygen flow to less than half the required amount (1.7 liters per minute) when conn...
Why matched: Airworthiness Directives; Puritan Bennett Aero Systems Company Series 174290 Constant Flow Airline Portable Oxygen Masks, Part Numbers 174290-14, 174290-24, 174290-34, 174290-44, and 174290-54.
Airworthiness Directives; Puritan Bennett Sweep-On Model 2000 Crew Masks
Unsafe Condition: Misalignment of the demand diaphragm may result in seizure of the exhalation valve in Puritan Bennett Sweep-On Model 2000 crew oxygen masks, leading to difficulty in exhaling during depressurizatio...
Why matched: Airworthiness Directives; Puritan Bennett Sweep-On Model 2000 Crew Masks
Airworthiness Directives; Puritan Bennett Aero Systems Crewmember Protective Breathing Equipment (PBE), 119003 and 119003-01 Units
Unsafe Condition: Failure of a PBE unit because of a deteriorated neck seal.
Why matched: Airworthiness Directives; Puritan Bennett Aero Systems Crewmember Protective Breathing Equipment (PBE), 119003 and 119003-01 Units
Airworthiness Directives; PURITAN-BENNETT AERO SYSTEMS COMPANY Oxygen Masks P/N 174039, 174010-01, 174010-03, and ZMR100 Series
Unsafe Condition: The regulator inlet valve may cause leakage or positive pressure within the facecone.
Why matched: Airworthiness Directives; PURITAN-BENNETT AERO SYSTEMS COMPANY Oxygen Masks P/N 174039, 174010-01, 174010-03, and ZMR100 Series