AD 91-11-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 1329-23A | Airworthiness Directives; LOCKHEED Model 1329-23A, 1329-23D, 1329-23E (JetStar) and 1329-25 (JetStar II) Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-23D | Airworthiness Directives; LOCKHEED Model 1329-23A, 1329-23D, 1329-23E (JetStar) and 1329-25 (JetStar II) Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-23E | Airworthiness Directives; LOCKHEED Model 1329-23A, 1329-23D, 1329-23E (JetStar) and 1329-25 (JetStar II) Series Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-25 | Airworthiness Directives; LOCKHEED Model 1329-23A, 1329-23D, 1329-23E (JetStar) and 1329-25 (JetStar II) Series Airplanes |
Unsafe Condition
Failure of the empennage pivot fitting assembly, loss of the empennage, and subsequent reduction of controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within the next 10 hours time-in-service or 20 days after the effective date, perform an eddy current inspection of the JE24 series empennage pivot fitting assemblies and a visual inspection of all fasteners attaching the pivot fitting assembly to the vertical stabilizer rear beam caps. Repeat inspections at intervals not exceeding 300 hours time-in-service. Submit inspection results within 7 days. Replace or repair cracked fittings and repair or replace defective fasteners before further flight.
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Compliance Time
Within the next 10 hours time-in-service or within 20 days after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Lockheed Model 1329-23A, 1329-23D, 1329-23E (JetStar) series airplanes, Serial Numbers 5001 through 5162; and 1329-25 (JetStar II) series airplanes, Serial Numbers 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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