AD 98-09-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; British Aerospace BAe Model ATP Airplanes |
Unsafe Condition
Corrosion of the brake hydraulic accumulators in the vicinity of the mounting straps could lead to loss of hydraulic pressure and consequent loss of braking capability of the airplane.
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Required Actions
Perform an inspection of the brake hydraulic accumulators for corrosion within 6 months after the effective date, using British Aerospace Service Bulletin ATP-32-80, Revision 1. If discrepancies are found, accomplish corrective actions prior to further flight. Repeat inspections every 2 years.
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Compliance Time
Within 6 months after the effective date of this AD, and repeat thereafter at intervals not to exceed 2 years.
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Affected Aircraft
BAE Systems (Operations) Limited Model ATP airplanes, constructor’s numbers 2002 through 2063 inclusive, equipped with brake hydraulic accumulators having APPH part number AIR 87342.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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