# AD 93-24-16: Protective Breathing Equipment - Type: Airworthiness directive - Status: Current - Products: Airbus A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C, A300 B4-103, A300 B4-203, A300 B4-2C, A300 B4-601, A300 B4-603, A300 B4-605R, A300 B4-620, A300 B4-622 and 140 more - Effective: February 4, 1994 - Superseded by: Nothing supersedes this AD - Product type: Appliance - Amendment: 39-8765 - Docket: 93-CE-36-AD - Registered aircraft: 1,791 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0E7E657EA03516BA86256A41006617F5.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/93-24-16 ## The airworthiness directive 93-24-16 PURITAN BENNETT AERO SYSTEMS: Amendment 39-8765; Docket No. 93-CE-36-AD. Applicability: Crewmember Protective Breathing Equipment (PBE), 119003 and 119003-01 Units, that are installed on, but not limited to the following airplanes (all serial numbers), certificated in any category: Manufacturer Models Airbus Industries A300, A310, and A320 Boeing 727, 737, 747, 757, and 767 McDonnell Douglas DC8, DC9, DC10, MD11, MD80, MD81, MD82, and MD83 de Havilland DHC-8 British Aerospace BAe 146 and BAe 31 Lockheed L1011 Fokker 100 SAAB SF340 Aerospatiale ATR42 and ATR72 Canadair RJ Shorts 360 Compliance: Required within the next 24 calendar months after the effective date of this AD, unless already accomplished. To prevent failure of a PBE unit because of a deteriorated neck seal, accomplish the following: (a) Inspect the affected PBE unit for existence of a yellow label attached to the red rip tag. Remove from service any unitthat does not have this yellow label. NOTE 1: Figure 1 of Puritan Bennett Aero Systems SB No. 119003-35-1, dated February 15, 1993, illustrates the location of this yellow label. NOTE 2: PBE units not having a yellow tag may be shipped to the manufacturer at the address specified in paragraph (d) of this AD. The unit will then be modified and shipped back with a yellow tag attached to the red rip tag. (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (c) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Wichita Aircraft Certification Office, FAA, 1801 Airport Road, Room 100, Wichita, Kansas 67209. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and send it to the Manager, Wichita Aircraft Certification Office. NOTE 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita Aircraft Certification Office. (d) All persons affected by this directive may obtain copies of the document referred to herein upon request to Puritan Bennett Aero Systems Company, Attention: Customer Service Department, 10800 Pflumm Road, Lenexa, Kansas 66215; or may examine this document at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106. (e) This amendment (39-8765) becomes effective on February 4, 1994. ## Affected data sheets (16) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS 4A25](https://openairdocs.org/tcds/4A25): The Boeing Company; names 27 of 27 models: DC-8-41, DC-8-52, DC-8-61, DC-8-53, DC-8-51, DC-8-63, DC-8-11, DC-8-72F… - [TCDS A6WE](https://openairdocs.org/tcds/A6WE): The Boeing Company; names 19 of 25 models: DC-9-12, DC-9-15F, MD-88, DC-9-41, DC-9-13, DC-9-34F, DC-9-81 (MD-81), DC-9-33F… - [TCDS A35EU](https://openairdocs.org/tcds/A35EU): Airbus SAS; names 17 of 17 models: A310-203, A300 B4-622R, A300 F4-605R, A300 B4-601, A310-204, A310-221, A300 B4-603, A300 B4-622… - [TCDS A13NM](https://openairdocs.org/tcds/A13NM): De Havilland Aircraft of Canada Limited; names 12 of 16 models: DHC-8-101, DHC-8-102, DHC-8-103, DHC-8-106, DHC-8-201, DHC-8-202, DHC-8-301, DHC-8-311… - [TCDS A20WE](https://openairdocs.org/tcds/A20WE): The Boeing Company; names 12 of 14 models: 747-100B Series, 747SP Series, 747-400D Series, 747-400F Series, 747-200B Series, 747-200F Series, 747-300 Series, 747-200C Series… - [TCDS A53EU](https://openairdocs.org/tcds/A53EU): ATR – GIE Avions de Transport Régional; names 11 of 11 models: ATR72-202, ATR72-101, ATR72-212A, ATR72-212, ATR42-300, ATR42-320, ATR72-211, ATR72-102… - [TCDS A22WE](https://openairdocs.org/tcds/A22WE): The Boeing Company; names 9 of 11 models: DC-10-40, MD-11, DC-10-10F, DC-10-30, DC-10-30F (KC-10A KDC-10), DC-10-10, DC-10-40F, DC-10-15… - [TCDS A28NM](https://openairdocs.org/tcds/A28NM): Airbus SAS; names 7 of 50 models: A320-111, A320-211, A320-212, A320-214, A320-231, A320-232, A320-233 - [TCDS A16WE](https://openairdocs.org/tcds/A16WE): The Boeing Company; names 6 of 17 models: 737-500 Series, 737-100 Series, 737-200C Series, 737-300 Series, 737-200 Series, 737-400 Series - [TCDS A3WE](https://openairdocs.org/tcds/A3WE): The Boeing Company; names 6 of 6 models: 727-100 Series, 727 Series, 727-200 Series, 727-100C Series, 727-200F Series, 727C Series - [TCDS A23WE](https://openairdocs.org/tcds/A23WE): Lockheed Martin Corporation; names 4 of 4 models: L-1011-385-1-14, L-1011-385-3, L-1011-385-1, L-1011-385-1-15 - [TCDS A2NM](https://openairdocs.org/tcds/A2NM): The Boeing Company; names 3 of 4 models: 757-200CB Series, 757-200PF Series, 757-200 Series - [TCDS A49EU](https://openairdocs.org/tcds/A49EU): BAE Systems (Operations) Limited; names 3 of 6 models: BAe 146-300A, BAe 146-100A, BAe 146-200A - [TCDS A1NM](https://openairdocs.org/tcds/A1NM): The Boeing Company; names 2 of 5 models: 767-300 Series, 767-200 Series - [TCDS A20EU](https://openairdocs.org/tcds/A20EU): Fokker Services B.V.; names 1 of 6 models: F28 Mark 0100 - [TCDS A52EU](https://openairdocs.org/tcds/A52EU): Saab AB; names 1 of 2 models: SAAB 340B ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 1,791 (1,791 by airframe model, 0 by engine model) - Makers: Boeing 620, Airbus 425, Airbus Industrie 260, Mcdonnell Douglas 213, Bombardier 57, Saab-Scania 42, Dehavilland 28, Short Bros 26, Douglas 19, Aerospatiale/Aeritalia 17 Models with the most aircraft: - [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232): 188 aircraft (airframe model) - [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214): 160 aircraft (airframe model) - [Airbus Industrie A320-232](https://openairdocs.org/model/airbus-industrie-a320-232): 109 aircraft (airframe model) - [Mcdonnell Douglas MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f): 100 aircraft (airframe model) - [Boeing 757-232](https://openairdocs.org/model/boeing-757-232): 63 aircraft (airframe model) - [Mcdonnell Douglas DC-9-83(MD-83)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83): 49 aircraft (airframe model) - [Boeing 767-332](https://openairdocs.org/model/boeing-767-332): 46 aircraft (airframe model) - [Saab-Scania SAAB 340B](https://openairdocs.org/model/saab-scania-saab-340b): 42 aircraft (airframe model) - [Boeing 757-224](https://openairdocs.org/model/boeing-757-224): 40 aircraft (airframe model) - [Airbus Industrie A320-212](https://openairdocs.org/model/airbus-industrie-a320-212): 39 aircraft (airframe model) - [Boeing 757-222](https://openairdocs.org/model/boeing-757-222): 38 aircraft (airframe model) - [Boeing 767-322](https://openairdocs.org/model/boeing-767-322): 36 aircraft (airframe model) - [Airbus Industrie A300 F4-605R](https://openairdocs.org/model/airbus-industrie-a300-f4-605r): 36 aircraft (airframe model) - [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r): 31 aircraft (airframe model) - [Boeing 767-323](https://openairdocs.org/model/boeing-767-323): 27 aircraft (airframe model) - [Bombardier DHC-8-402](https://openairdocs.org/model/bombardier-dhc-8-402): 26 aircraft (airframe model) - [Airbus Industrie A320-214](https://openairdocs.org/model/airbus-industrie-a320-214): 26 aircraft (airframe model) - [Short Bros SD3-60](https://openairdocs.org/model/short-bros-sd3-60): 26 aircraft (airframe model) - [Boeing 757-223](https://openairdocs.org/model/boeing-757-223): 23 aircraft (airframe model) - [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82): 22 aircraft (airframe model) All 199 models: https://openairdocs.org/ad/93-24-16/models.md Every aircraft: https://openairdocs.org/ad/93-24-16/aircraft.md Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.