AD 87-16-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 188A | LOCKHEED-CALIFORNIA COMPANY Models L-188A and L-188C Airplanes |
| aircraft | Lockheed Martin Corporation | 188C | LOCKHEED-CALIFORNIA COMPANY Models L-188A and L-188C Airplanes |
Unsafe Condition
Cracks in the structurally significant details listed in Lockheed Report No. LR29428, Section III C., may compromise structural integrity.
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Required Actions
Revise the FAA-approved maintenance inspection program to include requirements for the listed details within one year. Conduct supplemental inspections and repair any cracks found before further flight using an FAA-approved method.
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Compliance Time
Within one year after the effective date of this AD
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Affected Aircraft
Lockheed-California Company Models L-188A and L-188C airplanes certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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