AD 72-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 58 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 58A | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-55 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-A55 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-B55 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-B55A | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-B55B | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-C55 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | 95-C55A | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
| aircraft | Textron Aviation Inc. | D55 | Airworthiness Directives; BEECH Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A Airplanes |
Unsafe Condition
Engine damage from loss of lubricant due to accidental opening of oil sump drains by age-stiffened plastic drain hoses.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the oil drain tubes from the sump drain valves.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 25 hours' time in service after the effective date of this AD
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Affected Aircraft
BEECH Models 95-55 (TC-1 thru TC-190), 95-A55 (TC-191 thru TC-501 except TC-350 & TC-371), 95-B55 and 95-B55A (TC-371, TC-520 thru TC-1409), 95-B55B (TF-1 thru TF-70), 95-C55 and 95-C55A (TC-350, TE-1 thru TE-451), D55 and D55A (TE-452 thru TE-767), E55 and E55A (TE-768 thru TE-846), 58 and 58A (TH-1 thru TH-173)
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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