# AD 75-17-04: Main Frames

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed Martin 382, 382B, 382E, 382F and 382G
- Effective: April 21, 1978
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-3185
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BC18CE8A8E478FAE86256E0C006EAD5C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/75-17-04

## The airworthiness directive

75-17-04 LOCKHEED: Amendment 39-2300 as amended by Amendment 39-3185. Applies to all Model 382 series airplanes, serial numbers 3946 and 4101 through 4751, certificated in all categories.

Compliance required within the next 325 hours' time in service on airplanes which have accumulated 10,000 or more flight hours and thereafter at each "C" check inspection.

  (a) To detect cracks in the main frames, inspect the frames in accordance with Lockheed Service Bulletin A382-189, or later FAA approved revision, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region.

  (b) In the event a crack or cracks are found, before further flight, contact the Chief, Engineering and Manufacturing Branch, FAA, Southern Region, P.O. Box 20636, Atlanta, Georgia 30320.

  (c) The inspection required by the A.D. may be discontinued on those airplanes which have been repaired in accordance with Lockheed Service Bulletin A382-189, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region.

Amendment 39-2300 became effective August 8, 1975.

This Amendment 39-3185 becomes effective April 21, 1978.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A1SO](https://openairdocs.org/tcds/A1SO): Lockheed Martin Corporation; names 5 of 6 models: 382F, 382, 382E, 382B, 382G

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 6 (6 by airframe model, 0 by engine model)
- Makers: Lockheed 6

Models with the most aircraft:

- [Lockheed 382G](https://openairdocs.org/model/lockheed-382g): 5 aircraft (airframe model)
- [Lockheed 382 44C (C130K)](https://openairdocs.org/model/lockheed-382-44c-c130k): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/75-17-04/models.md
Every aircraft: https://openairdocs.org/ad/75-17-04/aircraft.md

Its text cites no advisory circulars or STCs.

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