AD 84-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 1329-23A | LOCKHEED Models 1329-23A, -23D, - 23E, and -25 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-23D | LOCKHEED Models 1329-23A, -23D, - 23E, and -25 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-23E | LOCKHEED Models 1329-23A, -23D, - 23E, and -25 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-25 | LOCKHEED Models 1329-23A, -23D, - 23E, and -25 Series Airplanes |
Unsafe Condition
Cracks in the JE24-1 empennage pivot fitting at the point where it attaches to the flange of the JE22-1 rear beam of the vertical stabilizer could lead to failure of the empennage and loss of the airplane.
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Required Actions
Inspect for cracks, proper hardware, proper installation of hardware, and loose fasteners in the JE24-1 empennage pivot fitting in accordance with Lockheed Alert Service Bulletins A329II-55-3 and A329-299. Repair or replace loose fasteners or cracks with new or serviceable parts before further flight.
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Compliance Time
Within 25 hours flying time or within 20 days after the effective date of this airworthiness directive
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Affected Aircraft
Lockheed Models 1329-23A, -23D, -23E, and -25 series airplanes, serial numbers 5001 through 5162 and 5201 through 5240
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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