# AD 46-40-02: Oleo Tube Reinforcement - Type: Airworthiness directive - Status: Current - Products: Fairchild Industries 22 C7, 22 C7A, 22 C7AM, 22 C7AS, 22 C7B, 22 C7D, 22 C7E, 22 C7F, 22 C7G, 24 C8, 24 C8A, 24 C8B and 14 more - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small airplane - Registered aircraft: 75 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F532B9468127F79286256A38004EA847.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/46-40-02 ## The airworthiness directive 46-40-02 FAIRCHILD: (Was Mandatory Note 2 of AD-667-2; 3 of AD-633-2; 3 of AD- 535-2; 3 of AD-564-2; 3 of AD-600-2.) Applicable to Models 22 and 24 Series Aircraft Serial Numbers 3300 to 3319, Inclusive, and 3350 to 3358, Inclusive, Except Seaplanes. Compliance required at next 100-hour inspection. Unless previously accomplished, reinforce the oleo tubes at the piston end by installing sleeve. Fairchild part SK-1636. Sleeve may be attached by using two AN 435-5-4 rivets or by welding through four 5/16-inch holes drilled in the piston tube. All damaged parts should be replaced. Fairchild Service Bulletin 40-5, revised July 3, 1945, and 44-6-C dated May 8, 1944, cover this same subject.) ## Affected data sheets (17) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS ATC 438](https://openairdocs.org/tcds/ATC%20438): Fairchild Industries Inc.; names 3 of 3 models: 22 C7AS, 22 C7A, 22 C7AM - [TCDS ATC 576](https://openairdocs.org/tcds/ATC%20576): Fairchild Industries Inc.; names 2 of 2 models: 24 C8D, 24 C8DS - [TCDS ATC 600](https://openairdocs.org/tcds/ATC%20600): Fairchild Industries Inc.; names 2 of 2 models: 24 C8ES, 24 C8E - [TCDS ATC 610](https://openairdocs.org/tcds/ATC%20610): Fairchild Industries Inc.; names 2 of 2 models: 24 C8F (Army UC-61J), 24 C8FS - [TCDS ATC 632](https://openairdocs.org/tcds/ATC%20632): Fairchild Industries Inc.; names 2 of 2 models: 24H, 24HS - [TCDS ATC 633](https://openairdocs.org/tcds/ATC%20633): Fairchild Industries Inc.; names 2 of 2 models: 24G (Army UC-61H), 24GS - [TCDS TC 663](https://openairdocs.org/tcds/TC%20663): Fairchild Industries Inc.; names 2 of 2 models: 24JS, 24J (Army UC-61B) - [TCDS TC 667](https://openairdocs.org/tcds/TC%20667): Fairchild Industries Inc.; names 2 of 2 models: 24KS, 24K (Army UC-61E) - [TCDS ATC 408](https://openairdocs.org/tcds/ATC%20408): Fairchild Industries Inc.; names 1 of 1 models: 22 C7 - [TCDS ATC 475](https://openairdocs.org/tcds/ATC%20475): Fairchild Industries Inc.; names 1 of 1 models: 24 C8 - [TCDS ATC 483](https://openairdocs.org/tcds/ATC%20483): Fairchild Industries Inc.; names 1 of 1 models: 22 C7B - [TCDS ATC 497](https://openairdocs.org/tcds/ATC%20497): Fairchild Industries Inc.; names 1 of 1 models: 24 C8A - [TCDS ATC 498](https://openairdocs.org/tcds/ATC%20498): Fairchild Industries Inc.; names 1 of 1 models: 24 C8B - [TCDS ATC 503](https://openairdocs.org/tcds/ATC%20503): Fairchild Industries Inc.; names 1 of 1 models: 22 C7D - [TCDS ATC 515](https://openairdocs.org/tcds/ATC%20515): Fairchild Industries Inc.; names 1 of 1 models: 22 C7E - [TCDS ATC 517](https://openairdocs.org/tcds/ATC%20517): Fairchild Industries Inc.; names 1 of 1 models: 22 C7F - [TCDS ATC 564](https://openairdocs.org/tcds/ATC%20564): Fairchild Industries Inc.; names 1 of 1 models: 22 C7G ## 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: 75 (75 by airframe model, 0 by engine model) - Makers: Fairchild 75 Models with the most aircraft: - [Fairchild 24 G](https://openairdocs.org/model/fairchild-24-g): 14 aircraft (airframe model) - [Fairchild 24 H](https://openairdocs.org/model/fairchild-24-h): 9 aircraft (airframe model) - [Fairchild 24 J](https://openairdocs.org/model/fairchild-24-j): 8 aircraft (airframe model) - [Fairchild 24 C8E](https://openairdocs.org/model/fairchild-24-c8e): 6 aircraft (airframe model) - [Fairchild 24 K](https://openairdocs.org/model/fairchild-24-k): 6 aircraft (airframe model) - [Fairchild 22 C7B](https://openairdocs.org/model/fairchild-22-c7b): 5 aircraft (airframe model) - [Fairchild 22 C7D](https://openairdocs.org/model/fairchild-22-c7d): 5 aircraft (airframe model) - [Fairchild 24 C8F](https://openairdocs.org/model/fairchild-24-c8f): 5 aircraft (airframe model) - [Fairchild 22 C7A](https://openairdocs.org/model/fairchild-22-c7a): 4 aircraft (airframe model) - [Fairchild 22 C7F](https://openairdocs.org/model/fairchild-22-c7f): 4 aircraft (airframe model) - [Fairchild 24 C8A](https://openairdocs.org/model/fairchild-24-c8a): 4 aircraft (airframe model) - [Fairchild 22 C7E](https://openairdocs.org/model/fairchild-22-c7e): 2 aircraft (airframe model) - [Fairchild 22 C7AM](https://openairdocs.org/model/fairchild-22-c7am): 1 aircraft (airframe model) - [Fairchild 24 C8](https://openairdocs.org/model/fairchild-24-c8): 1 aircraft (airframe model) - [Fairchild 24 C8D](https://openairdocs.org/model/fairchild-24-c8d): 1 aircraft (airframe model) All 15 models: https://openairdocs.org/ad/46-40-02/models.md Every aircraft: https://openairdocs.org/ad/46-40-02/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.