# AD 75-15-08: Engine Lubrication - Type: Airworthiness directive - Status: Current - Products: Filtrator Company Engine Crankcase Breather and Vacuum Pump… (D'Shannon Products STC SA2219WE) - Effective: September 10, 1975 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small airplane - Amendment: 39-2361 - Registered aircraft: 10,107 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E6AD377EF31DE16A86256E0D004DF195.0001 - DRS record last changed: January 21, 2026 - Page: https://openairdocs.org/ad/75-15-08 ## The airworthiness directive 75-15-08 BEECH AND CESSNA: Amendment 39-2266 as amended by Amendment 39- 2361. Applies to Beech Models 35, A35, B35, C35, D35, E35, F35, 35R, 35-33, 35-A33, 35- B33, 35-C33, H35, J35, K35, M35, N35, P35 series airplanes; Cessna Models 150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, A150K, 150L, A150L series airplanes certificated in all categories which have been modified in accordance with STC SA2219WE. Compliance required as indicated unless already accomplished. To prevent loss of engine oil, improper engine lubrication or engine oil contamination, accomplish the following: (a) Within the next 25 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 25 hours' time in service, unless (b) has been accomplished, remove the Beryl Aviation air oil separator Filtrator Assembly and inspect in accordance with the following procedure. (1) Add one quart of clear gasoline to the assembly can and plug or cap the ends of all tubes. (2) Hold the assembly can upright and shake vigorously for about two minutes. (3) Completely drain the gasoline from the 1/8 inch oil return tube through a paint strainer or similar fine mesh strainer and check for the presence of polyester urethane particles that have broken off of the internal screen material. (4) If screen particles are present, accomplish (b). (5) If screen particles are not present, install a 1/8 inch rivet in the top center of the assembly can to fasten the inside center cone to the outside can. Seal the rivet with an oil and fuel resistant type sealant if required. After assuring that cleaning agent has evaporated, reinstall the filtrator assembly. (b) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, accomplish (1), (2), or (3). (1) (i) For Beech Models 35, A35, B35, C35, D35, E35, F35, and 35R Series Airplanes, remove the Beryl Aviation filtrator assembly P/N 1000-1 and install P/N B- 1119-M, P/N B-1119-RM, or P/N 1000-1-RM. (ii) For Beech Models H35, J35, K35, M35, N35, P35, 35-33, 35- A33, and 35-B33 and 35-C33 Series Airplanes, remove the Beryl Aviation filtrator assembly P/N 1000-1 and install P/N B-1114-M, P/N B-1114-RM, or P/N 1000-1-RM. (iii) For Cessna Models 150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, A150K, 150L, and A150L Series Airplanes, remove the Beryl Aviation filtrator assembly P/N 1000-1 and install P/N B-1119-M, P/N B-1119-RM, or P/N 1000-1-RM. (2) Remove the modification incorporated by STC SA2219WE and return the airplane to the standard unmodified configuration. (3) Provide compliance with an equivalent method approved by Chief, Engineering and Manufacturing Branch, Southern Region. Beryl Aviation Specialties, Route 1, Box 127D, Leesburg, Florida 32748, Service Bulletin B-1-1-75-1 also pertains to this subject. Amendment 39-2266 became effectiveFriday, July 25, 1975. This amendment 39-2361 becomes effective September 10, 1975. ## Affected data sheets (3) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS 3A19](https://openairdocs.org/tcds/3A19): Textron Aviation Inc.; names 14 of 18 models: 150L, 150B, 150D, A150L, A150K, 150E, 150K, 150C… - [TCDS 3A15](https://openairdocs.org/tcds/3A15): Textron Aviation Inc.; names 10 of 27 models: 35-A33, M35, N35, K35, J35, 35-C33, 35-33, P35… - [TCDS A-777](https://openairdocs.org/tcds/A-777): Textron Aviation Inc.; names 8 of 9 models: A35, D35, 35R, B35, C35, F35, 35, E35 ## 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: 10,107 (10,107 by airframe model, 0 by engine model) - Makers: Cessna 6,706, Beech 3,397, P Z L Koliber 4 Models with the most aircraft: - [Cessna 150L](https://openairdocs.org/model/cessna-150l): 1,447 aircraft (airframe model) - [Cessna 150F](https://openairdocs.org/model/cessna-150f): 1,063 aircraft (airframe model) - [Cessna 150G](https://openairdocs.org/model/cessna-150g): 977 aircraft (airframe model) - [Cessna 150H](https://openairdocs.org/model/cessna-150h): 756 aircraft (airframe model) - [Cessna 150J](https://openairdocs.org/model/cessna-150j): 659 aircraft (airframe model) - [Cessna 150](https://openairdocs.org/model/cessna-150): 387 aircraft (airframe model) - [Beech P35](https://openairdocs.org/model/beech-p35): 319 aircraft (airframe model) - [Cessna 150E](https://openairdocs.org/model/cessna-150e): 303 aircraft (airframe model) - [Cessna 150K](https://openairdocs.org/model/cessna-150k): 303 aircraft (airframe model) - [Beech 35-B33](https://openairdocs.org/model/beech-35-b33): 291 aircraft (airframe model) - [Beech 35](https://openairdocs.org/model/beech-35): 266 aircraft (airframe model) - [Cessna 150D](https://openairdocs.org/model/cessna-150d): 260 aircraft (airframe model) - [Beech C35](https://openairdocs.org/model/beech-c35): 258 aircraft (airframe model) - [Beech K35](https://openairdocs.org/model/beech-k35): 237 aircraft (airframe model) - [Beech M35](https://openairdocs.org/model/beech-m35): 225 aircraft (airframe model) - [Beech H35](https://openairdocs.org/model/beech-h35): 224 aircraft (airframe model) - [Beech J35](https://openairdocs.org/model/beech-j35): 221 aircraft (airframe model) - [Beech F35](https://openairdocs.org/model/beech-f35): 192 aircraft (airframe model) - [Beech 35-C33](https://openairdocs.org/model/beech-35-c33): 185 aircraft (airframe model) - [Beech N35](https://openairdocs.org/model/beech-n35): 167 aircraft (airframe model) All 33 models: https://openairdocs.org/ad/75-15-08/models.md Every aircraft: https://openairdocs.org/ad/75-15-08/aircraft.md ## Related documents - [STC SA2219WE](https://openairdocs.org/stc/SA2219WE): Installation of Filtrator Company Engine Crankcase Breather and Vacuum Pump Air-Oil Separator in accordance with the applicable FAA sealed drawing listed on the attached Master Eligibility List Number SA2219WE.Installation of Filtrator Company engine crankcase breather and vacuum pump air-oil separator.. D'Shannon Products Ltd., Named in the applicability --- 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.