AD 75-18-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 382 | LOCKHEED Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382B | LOCKHEED Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382E | LOCKHEED Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382F | LOCKHEED Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382G | LOCKHEED Model 382 Series Airplanes |
Unsafe Condition
Cracks in the outer wing lower forward spar caps at OWS 54 and 108.
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Required Actions
Eddy current inspect the outer wing lower forward spar caps at OWS 54 and 108 in accordance with Hercules Airfreighter Inspection procedures SMP515-A Card No. SP-62, revised August 11, 1975. If cracks are found, contact the Chief, Engineering and Manufacturing Branch, FAA, Southern Region, Atlanta, Georgia 30320. Install preventive modification per Lockheed Service Bulletin 382-187 or equivalent approved method before accumulating 30,000 flight hours.
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Compliance Time
Within the next 50 hours time in service after the effective date of this AD, and at intervals not exceeding 3,400 hours time in service from the last inspection until 20,000 hours (without ECP 954) or 24,000 hours (with ECP 954), after which intervals not exceeding 1,700 hours are required.
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Affected Aircraft
Lockheed Model 382 series airplanes, serial numbers 3946 and 4101 through 4298 with 6,300 or more total hours, and serial numbers 4299 through 4541 with 9,450 or more total hours on the effective date of Amendment 39-3157.
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Federal Register Abstract
Outer Wing Spar Cap
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-18-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-18-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 382 Series Airplanes Subject: Outer Wing Spar Cap Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/20/1978 Make: Lockheed Martin Corporation Model: 382 | 382B | 382E | 382F | 382G Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 75-18-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3157 AD NUMBER: 75-18-03 SUBJECT HEADING: LOCKHEED Model 382 Series Airplanes ACTION: SUMMARY: DATES: Effective March 20, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-18-03 LOCKHEED: Amendment 39-2342 as amended by Amendment 39-2511 is further amended by Amendment 39-3157. Applies to all Model 382 series airplanes certificated in all categories. Compliance required within the next 50 hours time in service after the effective date of this Airworthiness Directive unless already accomplished, on airplane serial numbers 3946 and 4101 through 4298, with 6,300 hours or more total time in service, and serial numbers 4299 through 4541 with 9,450 hours or more total time in service on the effective date of Amendment 39-3157 and at intervals not to exceed 3,400 hours time in service from the last inspection until 20,000 hours (without ECP 954) or 24,000 hours (with ECP 954) at which time the interval is not to exceed l,700 hours from the last inspection. (A) To detect cracks in the outer wing lower forward spar caps at OWS 54 and 108, eddy current inspect in accordance with Hercules Airfreighter Inspection procedures SMP515-A Card No. SP-62, revised August 11, 1975. (B) If a crack or cracks are found, contact the Chief, Engineering and Manufacturing Branch, FAA, Southern Region, Atlanta, Georgia 30320, telephone number 404-526-7428. Before the accumulation of more than 30,000 flight hours, preventive modification shall be installed in accordance with Lockheed Service Bulletin 382-187, or later FAA-Approved revision, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. The inspections required by this AD may be discontinued for those airplanes modified in accordance with the above paragraph. Amendment 39-2342 became effective August 27, 1975. Amendment 39-2511 became effective February 13, 1976. This Amendment 39-3157 becomes effective March 20, 1978. FOOTER:
Document Text
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AD Final Rules - DRS_75-18-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-18-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 382 Series Airplanes Subject: Outer Wing Spar Cap Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/20/1978 Make: Lockheed Martin Corporation Model: 382 | 382B | 382E | 382F | 382G Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 75-18-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3157 AD NUMBER: 75-18-03 SUBJECT HEADING: LOCKHEED Model 382 Series Airplanes ACTION: SUMMARY: DATES: Effective March 20, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-18-03 LOCKHEED: Amendment 39-2342 as amended by Amendment 39-2511 is further amended by Amendment 39-3157. Applies to all Model 382 series airplanes certificated in all categories. Compliance required within the next 50 hours time in service after the effective date of this Airworthiness Directive unless already accomplished, on airplane serial numbers 3946 and 4101 through 4298, with 6,300 hours or more total time in service, and serial numbers 4299 through 4541 with 9,450 hours or more total time in service on the effective date of Amendment 39-3157 and at intervals not to exceed 3,400 hours time in service from the last inspection until 20,000 hours (without ECP 954) or 24,000 hours (with ECP 954) at which time the interval is not to exceed l,700 hours from the last inspection. (A) To detect cracks in the outer wing lower forward spar caps at OWS 54 and 108, eddy current inspect in accordance with Hercules Airfreighter Inspection procedures SMP515-A Card No. SP-62, revised August 11, 1975. (B) If a crack or cracks are found, contact the Chief, Engineering and Manufacturing Branch, FAA, Southern Region, Atlanta, Georgia 30320, telephone number 404-526-7428. Before the accumulation of more than 30,000 flight hours, preventive modification shall be installed in accordance with Lockheed Service Bulletin 382-187, or later FAA-Approved revision, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. The inspections required by this AD may be discontinued for those airplanes modified in accordance with the above paragraph. Amendment 39-2342 became effective August 27, 1975. Amendment 39-2511 became effective February 13, 1976. This Amendment 39-3157 becomes effective March 20, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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