AD 2017-14-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A318 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Reverse flow during APU startup could lead to flame propagation in the APU air inlet and intake duct, potentially resulting in an in-flight fire in the APU area.
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Required Actions
Inspect the APU starter motor, APU inlet plenum, and APU air intake for discrepancies; clean the APU air intake as necessary; replace the APU starter motor if defective; install a 'serviceable' electronic control box (ECB) if an 'affected' ECB was inadvertently installed.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A318, A319, A320, and A321 series airplanes, including those with Airbus mod 23698 or mod 24498 embodied in production.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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