AD 86-04-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F.28 Mark 0070 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
| aircraft | Fokker Services | F.28 Mark 0100 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
| aircraft | Fokker Services | F.28 Mark 1000 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
| aircraft | Fokker Services | F.28 Mark 2000 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
| aircraft | Fokker Services | F.28 Mark 3000 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
| aircraft | Fokker Services | F.28 Mark 4000 | Airworthiness Directives; FOKKER B.V. Model F28 Airplanes |
Unsafe Condition
Malfunctioning of Walter Kidde fire extinguishers, P/N 8900317, 892480, or 893948, due to improper internal dimension tolerances in the cartridge holders.
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Required Actions
Inspect the cartridge holders for proper internal dimension tolerances and replace if necessary in accordance with Fokker Service Bulletin F28/26-12. Alternate means of compliance may be used if approved by the FAA Manager, Standardization Branch.
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Compliance Time
within 60 days after the effective date of this AD
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Affected Aircraft
Fokker B.V. Model F28 airplanes, serial numbers 11003 to 11171 inclusive, 11991 and 11992, equipped with Walter Kidde fire extinguishers P/N 8900317, 892480, or 893948.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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