AD 95-17-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; Jetstream Model ATP Airplanes |
Unsafe Condition
Engine power rollback in flight during freezing precipitation conditions due to ice accumulation in the engine air intake system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the AFM Limitations Section to prohibit flight in freezing precipitation between +5°C and -5°C within 30 days after June 15, 1994. Within 72 days after the AD's effective date, install eductor plates over engine air intake exhaust ports, modify engine air inlet ducts with de-ice heaters per specified service bulletins based on constructor's numbers, update maintenance programs for igniter plug replacements and heater mat inspections, and incorporate temporary revisions T/33 and T/38 into the AFM.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after June 15, 1994 (for AFM revisions) and within 72 days after the AD's effective date (September 13, 1995) for other actions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Jetstream Model ATP airplanes listed in Service Bulletin ATP 54-13-35274B, Revision 2, dated August 18, 1994, including specific constructor's number ranges as detailed in paragraphs (b)(4) and (b)(5).
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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