AD 77-18-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 200 | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
| aircraft | Textron Aviation Inc. | 200T | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
| aircraft | Textron Aviation Inc. | A100 | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
| aircraft | Textron Aviation Inc. | B100 | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
| aircraft | Textron Aviation Inc. | C90 | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
| aircraft | Textron Aviation Inc. | E90 | Beech Models C90, E90, A100, B100, 200, and 200T Airplanes |
Unsafe Condition
Improper locking of the cabin door and possible loss of cabin pressurization due to incorrect engagement and adjustment of the cabin door latch hooks and pins, and door latch mechanism not in over center position when locked.
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Required Actions
Visually inspect cabin door latch hooks and pins for proper engagement and adjustment, check door latch mechanism for over center position when locked, and adjust latch hooks, pins, and/or door latch mechanism if necessary. Equivalent means of compliance must be approved by the FAA.
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Compliance Time
within the next 25 hours time-in-service after the effective date of this AD
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Affected Aircraft
Beech Models C90 (serial numbers LJ-689 through LJ-713), E90 (LW-167 through LW-216), A100 (B-213 through B-232), B100 (BE-10 through BE-22), Model 200 (BB-175 through BB-185, BB-187 through BB-193, BB-195 through BB-198, BB-200 through BB-202, BB-204 through BB-223), and Model 200T (BT-1 and BT-2)
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Federal Register Abstract
Cabin Pressurization
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-18-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-18-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Beech Models C90, E90, A100, B100, 200, and 200T Airplanes Subject: Cabin Pressurization Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/12/1977 Make: Textron Aviation Inc. Model: 200 | 200T | A100 | B100 | C90 | E90 Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-18-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3028 AD NUMBER: 77-18-04 SUBJECT HEADING: Beech Models C90, E90, A100, B100, 200, and 200T Airplanes ACTION: SUMMARY: DATES: Effective September 12, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-18-04 BEECH: Amendment 39-3028. Applies to Models C90 (serial numbers LJ-689 through LJ-713), E90 (serial numbers LW-167 through LW-216), A100 (serial numbers B-213 through B-232), B100 (serial numbers BE-10 through BE-22), Model 200 (serial numbers BB- 175 through BB-185, BB-187 through BB-193, BB-195 through BB-198, BB-200 through BB- 202, and BB-204 through BB-223), and Model 200T (serial numbers BT-1 and BT-2) airplane certificated in all categories. Compliance: Required as indicated unless already accomplished. To assure proper locking of the cabin door and to prevent possible incidents involving loss of cabin pressurization, within the next 25 hours time-in-service after the effective date of this AD, accomplish the following in accordance with Beechcraft Service Instructions No. 0914 or later approved revisions and instructions contained in the applicable airplane maintenance manual: A. Visually inspect the cabin door latch hooks and pins for proper engagement and adjustment, check the door latch mechanism for over center position when locked, and adjust latch hooks, pins and/or door latch mechanism if necessary. B. Any equivalent means of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective on September 12, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-18-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-18-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Beech Models C90, E90, A100, B100, 200, and 200T Airplanes Subject: Cabin Pressurization Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/12/1977 Make: Textron Aviation Inc. Model: 200 | 200T | A100 | B100 | C90 | E90 Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-18-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3028 AD NUMBER: 77-18-04 SUBJECT HEADING: Beech Models C90, E90, A100, B100, 200, and 200T Airplanes ACTION: SUMMARY: DATES: Effective September 12, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-18-04 BEECH: Amendment 39-3028. Applies to Models C90 (serial numbers LJ-689 through LJ-713), E90 (serial numbers LW-167 through LW-216), A100 (serial numbers B-213 through B-232), B100 (serial numbers BE-10 through BE-22), Model 200 (serial numbers BB- 175 through BB-185, BB-187 through BB-193, BB-195 through BB-198, BB-200 through BB- 202, and BB-204 through BB-223), and Model 200T (serial numbers BT-1 and BT-2) airplane certificated in all categories. Compliance: Required as indicated unless already accomplished. To assure proper locking of the cabin door and to prevent possible incidents involving loss of cabin pressurization, within the next 25 hours time-in-service after the effective date of this AD, accomplish the following in accordance with Beechcraft Service Instructions No. 0914 or later approved revisions and instructions contained in the applicable airplane maintenance manual: A. Visually inspect the cabin door latch hooks and pins for proper engagement and adjustment, check the door latch mechanism for over center position when locked, and adjust latch hooks, pins and/or door latch mechanism if necessary. B. Any equivalent means of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective on September 12, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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