AD 2008-22-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747SR Series Airplanes |
Unsafe Condition
Failure of carriage spindles or aft links of the inboard or outboard trailing edge flaps could cause the flap to depart the airplane, reducing the flightcrew's ability to maintain the safe flight and landing of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect all exposed surfaces of the carriage spindles (including the inner bore and aft links) of the trailing edge flaps for cracking and corrosion. Add a repetitive inspection to detect broken parts. Revise the overhaul threshold and repetitive intervals to be flight-cycle-based. Overhaul the carriage spindle and aft link as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months or 400 flight cycles after the effective date of the AD, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747SR Series 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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