AD 98-21-32
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-601 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-603 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-605R | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
Unsafe Condition
Corrosion of the ram air turbine (RAT) uplock pin/shaft and needle could result in failure of the RAT to deploy and consequent loss of emergency hydraulic power to the flight controls in the event that power is lost in both engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a RAT extension test on the ground; disassemble and inspect the RAT uplock mechanism for corrosion, replace with a new assembly if corrosion is found, or clean/lubricate and reinstall if no corrosion. Modify the RAT unlocking control unit as per specified service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 months after the effective date of this AD, and within 3 months after December 2, 1997 (effective date of AD 97-22-06), whichever is later, with repetitive actions every 30 months thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Model A300, A310, and A300-600 series airplanes on which Airbus Modification 11527 has not been accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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