AD 97-15-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; Boeing Model 757 and 767 Series Airplanes |
Unsafe Condition
Improper installation/maintenance of auxiliary power unit (APU) battery grounds could result in heat damage and consequent smoke/fire on the airplane.
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Required Actions
Perform a detailed visual inspection within 90 days after the effective date to detect damage and verify proper configuration of APU battery ground terminations. If damage or improper configuration is found, remove, replace, and repair the terminations prior to further flight. Repeat inspections at intervals not exceeding 1,000 flight hours.
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Compliance Time
Within 90 days after the effective date of this AD, and thereafter at intervals not to exceed 1,000 flight hours.
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Affected Aircraft
All Boeing Model 757 and 767 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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