AD 93-05-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
Unsafe Condition
Incorrect caution decal or incorrect lamp part number in the smoke detectors of cargo compartment and equipment cooling systems may reduce sensitivity of the smoke detectors.
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Required Actions
Within 24 months after the effective date, examine smoke detectors to determine correct caution decal installation. If incorrect decal is present, prior to further flight, apply correct decal and inspect lamp part number. Replace incorrect lamps with correct part number. Perform functional test after reinstallation if removed during inspection. Use approved service bulletins for compliance.
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Compliance Time
Within 24 months after the effective date of this AD
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Affected Aircraft
Boeing Model 757 series airplanes listed in Boeing Alert Service Bulletin 757-26A0028, Revision 1, and Model 767 series listed in Boeing Alert Service Bulletin 767-26A0081.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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