AD 2007-23-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F | Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Airplanes |
Unsafe Condition
Incorrectly tightened nuts on shuttle valves in the deployment lines of the engine fire-extinguishing system could result in failure or deteriorated functioning in case of an engine fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the nuts on the affected shuttle valves within 6 months after the effective date. Tighten or replace discrepant nuts or shuttle valves before next flight, as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months after the effective date
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Fokker Model F.28 Mark 0070 and 0100 airplanes, all serial numbers; certificated in any category.
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
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