AD 2011-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | AB | Airworthiness Directives; Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B Airplanes Modified in Accordance With Supplemental Type Certificate (STC) ST00224WI-D, ST00146WI-D, or SA984GL-D |
Unsafe Condition
Corrosion and cracking behind the external adapter plate of the antennae of certain damage-tolerant structure, which could result in reduced structural integrity and consequent rapid depressurization of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the external adapter plate of the antennae installation and perform a general visual inspection of the fuselage surface for corrosion and cracking. If any corrosion or cracking is found, repair before further flight. If no corrosion or cracking is found, ensure proper corrosion protection is applied before reinstalling the adapter plate.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 600 flight cycles after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B airplanes, serial numbers 004 through 459 inclusive, modified in accordance with Supplemental Type Certificate (STC) ST00224WI-D, ST00146WI-D, or SA984GL-D.
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.