AD 99-04-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-100B Long Body | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-100B Short Body | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-200 | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-300 Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-300B Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-300C Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 707-400 Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 727-100 Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
| aircraft | The Boeing Company | 727-100C Series | Airworthiness Directives; Transport Category Airplanes Equipped with Day-Ray Products, Inc., Fluorescent Light Ballasts |
Unsafe Condition
Failure of the fluorescent light ballasts installed in the cabin sidewall can emit smoke, fumes, and/or electrical fire in the baggage bin of the aft passenger compartment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a visual inspection to determine the type of fluorescent light ballasts installed in the cabin sidewall and replace suspect ballasts with new or serviceable ballasts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
12 months after the effective date of this AD (March 18, 1999).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Transport category airplanes equipped with Day-Ray Products, Inc. fluorescent light ballasts installed in upper and/or lower cabin sidewall, excluding McDonnell Douglas DC-9-80 series and MD-88 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
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.