AD 85-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | BOEING Model 767-200 Series Airplanes |
Unsafe Condition
Fuel boost pump seizures in flight as a result of operation with cold fuel.
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Required Actions
Install a cockpit placard limiting fuel tank temperature to -37°C (-35°F) within 30 days. Replace at least one fuel boost pump in each main and center auxiliary tank (if activated) within one year. Replace all unimproved fuel boost pumps in these tanks within two years, following Boeing Service Bulletin 767-28-14 or approved revision.
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Compliance Time
Within 30 days after the effective date of this AD, within one year after the effective date, and within two years after the effective date.
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Affected Aircraft
Boeing Model 767-200 series airplanes certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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