AD 64-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-300 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 707-400 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727-200F Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727 Series | BOEING Model 707, 720 and 727 Series Aircraft |
| aircraft | The Boeing Company | 727C Series | BOEING Model 707, 720 and 727 Series Aircraft |
Unsafe Condition
Overheating of the cove light ballast units due to use of Day-Ray Ballasts Type 62-37 with serial numbers below 5639 or Servo Mechanism Ballast Type 562859.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate cabin fluorescent cove light systems by securing circuit breakers in the off position with a clip-on guard. Reactivate only after installing Day-Ray ballasts type 62-37 (serial numbers 5639 and above), Servo mechanism ballasts type 563116, or an equivalent approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 50 hours' time in service after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 707, 720, and 727 Series Aircraft with fluorescent cabin cove lights using Day-Ray Ballasts Type 62-37 (serial numbers below 5639) or Servo Mechanism Ballast Type 562859
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cove Light Systems
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707, 720 and 727 Series Aircraft Subject: Cove Light Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/24/1964 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: 64-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-22-02 SUBJECT HEADING: BOEING Model 707, 720 and 727 Series Aircraft ACTION: SUMMARY: DATES: Effective September 24, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-22-02 BOEING: Amdt. 816 Part 507 Federal Register September 24, 1964. Applies to Models 707, 720 and 727 Series Aircraft Having Fluorescent Cabin Cove Lights with Day-Ray Ballasts Type 62-37 With Serial Numbers Below 5639, or Servo Mechanism Ballast Type 562859. Compliance required within 50 hours' time in service after the effective date of this AD unless already accomplished. To prevent overheating of the cove light ballast units, accomplish the following: (a) Deactivate all cabin fluorescent cove light systems by securing the circuit breakers for the cove light systems in the off position with a clip-on guard. (b) The cove light systems may be reactivated upon installation of Day-Ray ballasts type 62-37, Serial Numbers 5639 and above, or Servo mechanism ballasts type 563116, or by an equivalent approved by the Aircraft Engineering Division, FAA Western Region. This directive effective September 24, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707, 720 and 727 Series Aircraft Subject: Cove Light Systems Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/24/1964 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: 64-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-22-02 SUBJECT HEADING: BOEING Model 707, 720 and 727 Series Aircraft ACTION: SUMMARY: DATES: Effective September 24, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-22-02 BOEING: Amdt. 816 Part 507 Federal Register September 24, 1964. Applies to Models 707, 720 and 727 Series Aircraft Having Fluorescent Cabin Cove Lights with Day-Ray Ballasts Type 62-37 With Serial Numbers Below 5639, or Servo Mechanism Ballast Type 562859. Compliance required within 50 hours' time in service after the effective date of this AD unless already accomplished. To prevent overheating of the cove light ballast units, accomplish the following: (a) Deactivate all cabin fluorescent cove light systems by securing the circuit breakers for the cove light systems in the off position with a clip-on guard. (b) The cove light systems may be reactivated upon installation of Day-Ray ballasts type 62-37, Serial Numbers 5639 and above, or Servo mechanism ballasts type 563116, or by an equivalent approved by the Aircraft Engineering Division, FAA Western Region. This directive effective September 24, 1964. 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
2023-12-15
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: 5G C-Band interference can cause radio altimeters to not perform their intended function, resulting in increased flightcrew workload while on approach with the flight director, autothrottle, or aut...
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...
2022-25-01 Recurring
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: cracking in fastener holes at the center wing box and at certain positions of the rear spar and lower skin
2020-03-11
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: The potential for a fuel tank ignition source to occur from the FQIS due to its design architecture, component design details, and installation design details.
