AD 90-17-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives: SAAB-SCANIA Model SF-340A Series Airplanes |
Unsafe Condition
Moisture accumulation in the elevator deicer boot system could lead to reduced deicing effectiveness or system malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the empennage deicer boot pneumatic system per SAAB Service Bulletin SF340-30-008, Rev 1; modify the nacelle inlet protection device exhaust nozzle per SF340-54-002, Rev 1; and drain/check the elevator deicing system drain traps every 7 days per SB SF340-30-008, Rev 2.
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Compliance Time
Within 60 days after March 13, 1986 (for modifications) and within 7 days after September 17, 1990 (for initial drain checks), with subsequent checks not exceeding 7 days.
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Affected Aircraft
Saab AB, Saab Aerosystems Model SF-340A series airplanes, all serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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