AD 76-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Commander Aircraft Corporation | 114 | Airworthiness Directives; Rockwell Model 114 Airplanes |
Unsafe Condition
Failure of the forward cabin vent valve and air ducts could result in inadequate ventilation and potential overheating in the cabin.
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Required Actions
Modify the forward cabin vent valve and air ducts per Rockwell SB-114-6 or an approved equivalent method. Until modified, keep vent valves and cabin heat/vent knobs in full open position during climb except during taxi, cruise, or glide.
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Compliance Time
Within 10 hours after the effective date of this AD
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Affected Aircraft
Rockwell Model 114, serial numbers 14089 through 14113, 14115 through 14122, 14125 through 14131, 14134 through 14149, 14152 through 14154, and 14156 through 14158.
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Federal Register Abstract
Cabin Vents and Air Ducts
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-23-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-23-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Rockwell Model 114 Airplanes Subject: Cabin Vents and Air Ducts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/26/1976 Make: Commander Aircraft Corporation Model: 114 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-23-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2770 AD NUMBER: 76-23-02 SUBJECT HEADING: Airworthiness Directives; Rockwell Model 114 Airplanes ACTION: SUMMARY: DATES: Effective November 26, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-23-02 ROCKWELL: Amendment 39-2770. Applies to Model 114, S/N's 14089 through 14113, 14115 through 14122, 14125 through 14131, 14134 through 14149, 14152 through 14154, and 14156 through 14158. Compliance required as indicated after receipt of this AD. 1. Within 10 hours after the effective date of this AD, unless already accomplished, modify the forward cabin vent valve and air ducts in accordance with Rockwell Service Bulletin No. SB-114-6 dated November 1, 1976, or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration, Fort Worth, Texas. 2. Until compliance with paragraph 1 above is accomplished, the following operating procedure is required: While climbing, the two vent valves located near the floor, below and outboard of the front seat passenger's leg must be in the full open position (allowing hot or cold air to pass from the duct into the passenger compartment). Also the cabin heat and/or the cabin vent knobs located on the lower instrument panel just to the right of the center console must be in the full open position (pulled out to stop). Operation in taxi, cruise, or glide is exempt from these restrictions. This amendment is effective November 26, 1976, and was effective upon receipt for all recipients of the letter dated November 5, 1976, which contained this amendment. FOOTER:
Document Text
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AD Final Rules - DRS_76-23-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-23-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Rockwell Model 114 Airplanes Subject: Cabin Vents and Air Ducts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/26/1976 Make: Commander Aircraft Corporation Model: 114 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: 76-23-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2770 AD NUMBER: 76-23-02 SUBJECT HEADING: Airworthiness Directives; Rockwell Model 114 Airplanes ACTION: SUMMARY: DATES: Effective November 26, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-23-02 ROCKWELL: Amendment 39-2770. Applies to Model 114, S/N's 14089 through 14113, 14115 through 14122, 14125 through 14131, 14134 through 14149, 14152 through 14154, and 14156 through 14158. Compliance required as indicated after receipt of this AD. 1. Within 10 hours after the effective date of this AD, unless already accomplished, modify the forward cabin vent valve and air ducts in accordance with Rockwell Service Bulletin No. SB-114-6 dated November 1, 1976, or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration, Fort Worth, Texas. 2. Until compliance with paragraph 1 above is accomplished, the following operating procedure is required: While climbing, the two vent valves located near the floor, below and outboard of the front seat passenger's leg must be in the full open position (allowing hot or cold air to pass from the duct into the passenger compartment). Also the cabin heat and/or the cabin vent knobs located on the lower instrument panel just to the right of the center console must be in the full open position (pulled out to stop). Operation in taxi, cruise, or glide is exempt from these restrictions. This amendment is effective November 26, 1976, and was effective upon receipt for all recipients of the letter dated November 5, 1976, which contained this amendment. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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