AD 80-18-08
EMERGENCY AD
emergency
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Jet Electronics Technology, Inc. | Emergency Power Supply | Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Power Supplies |
| appliance | Jet Electronics Technology, Inc. | Emergency Power Supply | Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Power Supplies |
Unsafe Condition
Loss of emergency electrical power and possible corrosive or thermal damage to the aircraft due to unmodified Model PS-823( ) series Emergency Power Supplies.
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Required Actions
Determine if compliance has been accomplished by checking the modification decal. If not, install modifications per J.E.T. Service Bulletin SB501-1075-16E through an FAA-certified repair station, approved facility, or J.E.T.
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Compliance Time
Within the next 100 flight hours or six months from the effective date of this AD (August 28, 1980).
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Affected Aircraft
Jet Electronics and Technology, Inc. Model PS-823( ) series Emergency Power Supplies, including PS-823A, PS-823B, PS-823C, PS-823D, PS-823A/T, PS-823B/T, PS-823C/T, PS-823D/T models.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Emergency Power Supplies
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_80-18-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-18-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Pow...Show more Subject: Emergency Power Supplies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1980 Make: Jet Electronics Technology, Inc. Model: Emergency Power Supply Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 80-18-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3893 AD NUMBER: 80-18-08 SUBJECT HEADING: Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Power Supplies ACTION: SUMMARY: DATES: Effective August 28, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-18-08 JET ELECTRONICS AND TECHNOLOGY, INC.: Amendment 39-3893. Applies to all Model PS-823( ) series Emergency Power Supplies, normally used as power supply for standby attitude indicators. Compliance is required as indicated unless already accomplished. To prevent loss of emergency electrical power and possible corrosive or thermal damage to the aircraft accomplish the following: Within the next 100 flight hours or six months time from the effective date of this AD, determine if compliance has already been accomplished by observing the modification decal on the front of the unit. If the modification number listed below has been marked off, no further action is required. JET Part No. Model Modification No. 501-1075-01 PS-823A 18 501-1075-02 PS-823B 17 501-1075-03 PS-823C 15 501-1075-04 PS-823D 14 501-1075-05 PS-823A/T 21 501-1075-06 PS-823B/T 19 501-1075-07 PS-823C/T 17 501-1075-08 PS-823D/T 16 If the applicable modification number has not been marked off, install modifications in accordance with J.E.T. Service Bulletin SB501-1075-16E, dated February 28, 1979. Modifications must be made by an FAA Certified Repair Station, an FAA approve repair facility, or J.E.T. Upon submission of substantiating data, through an FAA Aviation Safety Inspector, the Chief, Engineering and Manufacturing Branch, FAA Great Lakes Region, may approved an adjustment to compliance time or an equivalent means of compliance. This amendment becomes effective August 28, 1980. FOOTER:
Document Text
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AD Final Rules - DRS_80-18-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-18-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Pow...Show more Subject: Emergency Power Supplies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1980 Make: Jet Electronics Technology, Inc. Model: Emergency Power Supply Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 80-18-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3893 AD NUMBER: 80-18-08 SUBJECT HEADING: Airworthiness Directives; JET ELECTRONICS AND TECHNOLOGY, INC. Model PS-823( ) Series Emergency Power Supplies ACTION: SUMMARY: DATES: Effective August 28, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-18-08 JET ELECTRONICS AND TECHNOLOGY, INC.: Amendment 39-3893. Applies to all Model PS-823( ) series Emergency Power Supplies, normally used as power supply for standby attitude indicators. Compliance is required as indicated unless already accomplished. To prevent loss of emergency electrical power and possible corrosive or thermal damage to the aircraft accomplish the following: Within the next 100 flight hours or six months time from the effective date of this AD, determine if compliance has already been accomplished by observing the modification decal on the front of the unit. If the modification number listed below has been marked off, no further action is required. JET Part No. Model Modification No. 501-1075-01 PS-823A 18 501-1075-02 PS-823B 17 501-1075-03 PS-823C 15 501-1075-04 PS-823D 14 501-1075-05 PS-823A/T 21 501-1075-06 PS-823B/T 19 501-1075-07 PS-823C/T 17 501-1075-08 PS-823D/T 16 If the applicable modification number has not been marked off, install modifications in accordance with J.E.T. Service Bulletin SB501-1075-16E, dated February 28, 1979. Modifications must be made by an FAA Certified Repair Station, an FAA approve repair facility, or J.E.T. Upon submission of substantiating data, through an FAA Aviation Safety Inspector, the Chief, Engineering and Manufacturing Branch, FAA Great Lakes Region, may approved an adjustment to compliance time or an equivalent means of compliance. This amendment becomes effective August 28, 1980. FOOTER:
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Retrieved: Apr 8, 2026
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