AD 66-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Series Airplanes |
Unsafe Condition
Failure of the emergency exit light circuit or dome light switch to function properly during power loss on the essential a.c. bus could result in inadequate illumination during takeoff and landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 125 hours' time in service after May 13, 1966, incorporate an operating limitation in the Airplane Flight Manual or adjacent placard requiring the dome light switch to be in the blue, low, or bright position during takeoff and landing. Within 1,200 hours' time in service after May 13, 1966, install a new relay in the emergency exit light circuit or rewire the circuit using existing contacts on the essential a.c. power failure relay to ensure automatic function upon essential a.c. bus power loss, as per Boeing Service Bulletin 1789, Rev. 1 or FAA-approved equivalent. The operating limitation may be removed after completing the modification in (b).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 125 hours' time in service after May 13, 1966 (for part (a)) and within the next 1,200 hours' time in service after May 13, 1966 (for part (b))
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Models 707 and 720 Series airplanes listed in Boeing Service Bulletin 1789, Revision 1.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Dome Light Switch
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707 and 720 Series Airplanes Subject: Dome Light Switch Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/13/1966 Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Aircraft Product Subtype: 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: 66-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-236 AD NUMBER: 66-13-02 SUBJECT HEADING: BOEING Models 707 and 720 Series Airplanes ACTION: SUMMARY: DATES: Effective May 13, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-13-02 BOEING: Amdt. 39-236 Part 39 Federal Register May 13, 1966. Applies to Models 707 and 720 Series Airplanes Listed in Boeing Service Bulletin 1789, Revision 1. Compliance required as indicated, unless already accomplished. (a) Within the next 125 hours' time in service after the effective date of this AD, incorporate the following operating limitation in either the Airplane Flight Manual or on a placard installed adjacent to the cabin dome light switch: "THE DOME LIGHT SWITCH MUST BE IN EITHER THE BLUE, LOW OR BRIGHT POSITION DURING TAKEOFF AND LANDING". (b) Within the next 1,200 hours' time in service after the effective date of this AD, install a new relay in the emergency exit light circuit or rewire the circuit to use existing contacts on the essential a.c. power failure relay, so that the emergency exit lights will function automatically when power is lost on the essential a.c. bus in accordance with Boeing Service Bulletin 1789, Revision 1, or later FAA-approved revision or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. (c) The operating limitation imposed under (a) may be removed when the modification required in (b) has been accomplished. This directive effective May 13, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707 and 720 Series Airplanes Subject: Dome Light Switch Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/13/1966 Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Aircraft Product Subtype: 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: 66-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-236 AD NUMBER: 66-13-02 SUBJECT HEADING: BOEING Models 707 and 720 Series Airplanes ACTION: SUMMARY: DATES: Effective May 13, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-13-02 BOEING: Amdt. 39-236 Part 39 Federal Register May 13, 1966. Applies to Models 707 and 720 Series Airplanes Listed in Boeing Service Bulletin 1789, Revision 1. Compliance required as indicated, unless already accomplished. (a) Within the next 125 hours' time in service after the effective date of this AD, incorporate the following operating limitation in either the Airplane Flight Manual or on a placard installed adjacent to the cabin dome light switch: "THE DOME LIGHT SWITCH MUST BE IN EITHER THE BLUE, LOW OR BRIGHT POSITION DURING TAKEOFF AND LANDING". (b) Within the next 1,200 hours' time in service after the effective date of this AD, install a new relay in the emergency exit light circuit or rewire the circuit to use existing contacts on the essential a.c. power failure relay, so that the emergency exit lights will function automatically when power is lost on the essential a.c. bus in accordance with Boeing Service Bulletin 1789, Revision 1, or later FAA-approved revision or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. (c) The operating limitation imposed under (a) may be removed when the modification required in (b) has been accomplished. This directive effective May 13, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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