AD 2006-06-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 720 and 720B | Airworthiness Directives; Boeing Model 720 and 720B Series Airplanes |
Unsafe Condition
Cracks, corrosion, or signs of damage (e.g., finish scratches, blistering, or signs of fuel leaking) of the front spar upper chords under the fairing web could result in structural failure of the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for any crack, corrosion, or sign of damage of the front spar upper chords under the fairing web using repetitive detailed and high-frequency eddy current (HFEC) inspections. Repair if necessary using a method approved by the FAA or data meeting the certification basis of the airplane, approved by an authorized representative.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 720 and 720B 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.