AD 92-01-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | MD-11 | Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes |
| aircraft | The Boeing Company | MD-11F | Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes |
Unsafe Condition
Loss of Autopilot Disconnect, Windshear, Altitude, Stabilizer in Motion, Radio Altitude, and Overspeed aural alerts due to CAWS circuit breaker issues.
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Required Actions
Within 5 days after the effective date, daily before first flight with power active: close CAWS circuit breakers B1-1018, B1-1381, B1-1019; cycle them open for at least five seconds then reclose. Within 60 days, replace CAWS unit per Alert Service Bulletin A31-18. After CAWS replacement, paragraph (a) requirements are terminated.
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Compliance Time
Within 5 days after the effective date of this AD, and thereafter prior to the first flight of each day; and within 60 days after the effective date of this AD
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Affected Aircraft
McDonnell Douglas MD-11 and MD-11F airplanes equipped with CAWS Part Numbers H05A0035-50 or H05A0035-51.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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