AD 81-18-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | Volpar, Inc. | 3N | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | 3NM | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | 3TM | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | C-45G | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | C-45H | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | D18C | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | D18S | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | E18S-9700 | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | G18S | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
| aircraft | Textron Aviation Inc. | Volpar, Inc. | H18 | Airworthiness Directives; VOLPAR, INCORPORATED: Applies to Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear |
Unsafe Condition
Main landing gear collapse due to bolt failure of the Walking Beam upper attach bolt P/N AN179-46A.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the main landing gear Walking Beam upper attach bolt P/N AN179-46A for integrity and installation per Volpar Service Bulletin 22. Replace failed bolt with a serviceable part. Remove AN179-46A bolt and install NAS 149-80 bolt within 200 hours or next annual inspection. Inspect NAS 149-80 bolt every 3,000 hours for integrity and replace if needed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight after the effective date of this AD for the initial inspection. The bolt replacement must be done prior to 200 additional hours' time in service or next annual inspection, whichever comes sooner. Subsequent inspections every 3,000 hours' time in service since NAS 149-80 installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Beech Models C-45G, TC-45G, C-45H, TC-45H, TC-45J (SNB-5), RC-45J (SNB-5P), D18C, D18S, E18S-9700, G18S, H18, JRB-6, 3N, 3NM, and 3TM Aircraft with Volpar Tricycle Landing Gear (STC SA4-1531, SA111WE, SA1832WE or equivalent).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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