AD 2016-25-26
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Ice formation between the angle-of-attack (AOA) sensor vane and face plate, which could cause both vanes to become immobilized, leading to an unreliable or non-functional stall protection system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install angle-of-attack (AOA) sensor external case heaters on the existing AOA sensors, install additional wires, perform a functional test, and take applicable corrective actions.
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
The Boeing Company Model MD-90-30 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.