AD 2012-03-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | for the Military as P2V | Airworthiness Directives; Airplanes Originally Manufactured by Lockheed for the Military as P2V Airplanes |
Unsafe Condition
A significant crack in the principle wing structure, specifically in the left side wing front spar and lower skin just outboard of the fuselage side of wing station 40, propagating through the wing front spar web, lower chord, and wing lower skin through stringer No. 22 and aft to stringer No. 21.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Clean the forward lower spar cap between wing stations 40 and 84.5 (right and left). Perform a detailed inspection for cracks, working fasteners, and other anomalies, including surface damage in the form of a nick, gouge, or corrosion. Repair if necessary. Send inspection results (both positive and negative) to the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Airplanes originally manufactured by Lockheed for the military as P2V airplanes, specifically Aero Union Corporation Model SP-2H (P2V-7), Central Air Service, Inc. Model SP-2H (P2V-7), Evergreen Air Center Model SP-2H (P2V-7), Hawkins and Powers Aviation, Inc. Model HP-P2V-7, Minden Air Corp Model SP-2H (P2V-7), Neptune Aviation Service, Inc. Model SP-2H (P2V-7), and USDA Forest Service (type certificate previously held by U.S. Department of Agriculture) Model P2V-5F (SP-2E) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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