AD 88-21-02

final rule
Data completeness: 70%

Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes

AD Number
88-21-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. 58 Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 58A Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 58P Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 58PA Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 58TC Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 58TCA Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 95-B55 Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. 95-B55A Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. A36 Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes
aircraft Textron Aviation Inc. A36TC Airworthiness Directives; Beech Model F33A, F33C, V35B, A36, A36TC, B36TC, 95-B55, 95-B55A, E-55, E-55A, 58, 58A, 58P, 58PA, 58TC and 58TCA Airplanes

Unsafe Condition

Failure of the pilots and copilots seat attachment during an emergency landing condition.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Fill the three aft seat positioning holes in the center seat tracks of the pilot and copilot seats per Service Bulletin 2010, Revision 1, or install seat track reinforcement from Service Bulletin 2233. Inspect aft bolts on the two aft feet of both pilot and copilot seat frame assemblies to ensure AN960-10 washers are installed under the nuts. If washers are missing, install them prior to further flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Beech Models F33A (CE-621-CE-1024), F33C (CJ-112-CJ-155), V35B (D-9830-D-10403), A36 (E-632-E-2110), A36TC/B36TC (EA-2-EA-388), 95-B55/95-B55A (TC-1918-TC-2456), E-55/E-55A (TE-1071-TE-1201), 58/58A (TH-579-TH-1395), 58P/58PA (TJ-12-TJ-443), 58TC/58TCA (TK-1-TK-150)

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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