AD 79-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
Unsafe Condition
The slat mechanical drive system may have degraded cables and pulleys due to corrosion, damage, or wear, leading to potential failure of the slat system operation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect all slat system drive and followup cables and pulleys for security and general condition (corrosion, damage, etc.). Inspect slat drive mechanisms for component security and freedom of movement. Correct discrepancies exceeding Maintenance Manual limits. Replace #2 and #3 position drive cables with new or approved cables based on landing intervals: non-zinc coated cables must be replaced after 810 landings post-AD effective date or every 6,500 landings, while zinc coated cables require replacement after 810 landings or every 10,800 landings. Report inspection results to FAA within 24 hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight after the effective date of this AD, and thereafter at intervals not to exceed specified landing limits.
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Affected Aircraft
McDonnell Douglas DC-10-10, -10F, -30, -30F (KC-10A, KDC-10), and -40 airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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