AD 76-10-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | B19 | Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes |
| aircraft | Textron Aviation Inc. | B24R | Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes |
| aircraft | Textron Aviation Inc. | C23 | Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes |
Unsafe Condition
Unscheduled retraction of wing flaps due to improper attachment of the flap cable block to the torque tube with rivets instead of screws and nuts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the flap torque tube to check if the flap cable block is attached with rivets or screws and nuts. If rivets are used, replace them with MS24694S58 screws, AN960-10 washers, and MS21042L3 locknuts or Beech P/N 130909N29 locknuts following Beechcraft Service Instructions No. 0831-161.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BEECH Models B19 (Serial Numbers MB-732 through MB-788), C23 (Serial Numbers M-1600 thru M-1769), and B24R (Serial Numbers MC-305 thru MC-398) airplanes equipped with mechanical flaps.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Wing Flaps
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-10-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-10-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes Subject: Wing Flaps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/28/1976 Make: Textron Aviation Inc. Model: B19 | B24R | C23 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-10-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2616 AD NUMBER: 76-10-09 SUBJECT HEADING: Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes ACTION: SUMMARY: DATES: Effective May 28, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-10-09 BEECH: Amendment 39-2616. Applies to Models B19 (Serial Numbers MB-732 through MB-788), C23 (Serial Numbers M-1600 thru M-1769) and B24R (Serial Numbers MC-305 thru MC-398) airplanes equipped with mechanical flaps. Compliance: Required as indicated, unless already accomplished. To prevent unscheduled retraction of wing flaps, within the next 50 hours' time in service after the effective date of this AD, accomplish the following: A. Pursuant to the procedures and instructions outlined in Beechcraft Service Instructions No. 0831-161 or later approved revisions: (1) Using a flashlight and mirror, visually inspect the inside of the flap torque tube to determine if Beech P/N 169-524024-9 flap cable block is attached to the torque tube with rivets or with screws and nuts. (2) If the flap cable block is attached to the torque tube with the screws and nuts identified in Paragraph (3) below, no further action is required. (3) If a flap cable block is attached to the torque tube with rivets, drill out the three rivets (one at a time in accordance with the aforementioned service instructions) and replace with three each MS24694S58 screws, AN960-10 washers and MS21042L3 locknuts or Beech P/N 130909N29 locknuts. B. Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective May 28, 1976. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_76-10-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-10-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes Subject: Wing Flaps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/28/1976 Make: Textron Aviation Inc. Model: B19 | B24R | C23 Product Type: Aircraft Product Subtype: Small 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: 76-10-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2616 AD NUMBER: 76-10-09 SUBJECT HEADING: Airworthiness Directives; BEECH Models B19, C23 and B24R Airplanes ACTION: SUMMARY: DATES: Effective May 28, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-10-09 BEECH: Amendment 39-2616. Applies to Models B19 (Serial Numbers MB-732 through MB-788), C23 (Serial Numbers M-1600 thru M-1769) and B24R (Serial Numbers MC-305 thru MC-398) airplanes equipped with mechanical flaps. Compliance: Required as indicated, unless already accomplished. To prevent unscheduled retraction of wing flaps, within the next 50 hours' time in service after the effective date of this AD, accomplish the following: A. Pursuant to the procedures and instructions outlined in Beechcraft Service Instructions No. 0831-161 or later approved revisions: (1) Using a flashlight and mirror, visually inspect the inside of the flap torque tube to determine if Beech P/N 169-524024-9 flap cable block is attached to the torque tube with rivets or with screws and nuts. (2) If the flap cable block is attached to the torque tube with the screws and nuts identified in Paragraph (3) below, no further action is required. (3) If a flap cable block is attached to the torque tube with rivets, drill out the three rivets (one at a time in accordance with the aforementioned service instructions) and replace with three each MS24694S58 screws, AN960-10 washers and MS21042L3 locknuts or Beech P/N 130909N29 locknuts. B. Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective May 28, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
Related Airworthiness Directives
2024-14-03
final ruleAirworthiness Directives; Various Airplanes
Unsafe Condition: an un-commanded automatic pitch trim runaway when the autopilot was first engaged, which could result in un-commanded automatic pitch trim runaway and loss of control of the airplane.
2023-10-02
final ruleAirworthiness Directives; Transport and Commuter Category Airplanes
Unsafe Condition: Radio altimeter anomalies that are undetected by the automation or pilot, particularly close to the ground (e.g., landing flare), could lead to loss of continued safe flight and landing. Additional...
2022-03-15
final ruleAirworthiness Directives; Various Airplanes
Unsafe Condition: The displayed fuel quantity can have an error as much as four gallons/fuel tank with the display indicating four gallons with an empty tank. In the context of this event, the end level effect is th...
2011-01-09
final ruleAirworthiness Directives; B/E Aerospace Protective Breathing Equipment (PBE) Part Number 119003-11 Installed on Various Transport Airplanes
Unsafe Condition: Potentially defective potassium superoxide canisters used in PBE units could result in an exothermic reaction and ignition.