AD 89-23-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-601 | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-603 | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-605R | Airworthiness Directives; AIRBUS INDUSTRIE Models A300, A310, and A300-600 Series Airplanes |
Unsafe Condition
Pitch trim runaway due to the installation of SAMM trim switches, Part Number BP 20-455, Serial Numbers 110 to 923, inclusive, on the normal pitch trim electrical circuit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine if SAMM trim switches with serial numbers 110 to 923 are fitted. If found, replace the switch with a serviceable trim switch having serial number 924 or higher prior to further flight, following the appropriate Airplane Maintenance Manual sections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 30 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Models A300, A310, and A300-600 series airplanes, certificated in any category.
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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