AD 89-19-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F27 Mark 050 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 100 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 200 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 300 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 400 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 500 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 600 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
| aircraft | Fokker Services | F27 Mark 700 | Airworthiness Directives; FOKKER Model F-27 Series Airplanes |
Unsafe Condition
Reduced structural capability of the fuselage and subsequent decompression of the airplane due to cracks at the riveted connections between fuselage Station 1400 and the partial pressure bulkhead.
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Required Actions
Inspect the external skin at the riveted connections between fuselage Station 1400 and the partial pressure bulkhead in accordance with Fokker Service Bulletin F27/53-108. Repair cracks prior to further flight if found. Compliance time may be adjusted with FAA approval.
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Compliance Time
Within 30 days after the effective date of this AD or upon the accumulation of 30,000 landings (for post-SB F27/21-30 airplanes) or 50,000 landings (for pre-SB F27/21-30 airplanes), whichever occurs later.
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Affected Aircraft
Fokker Model F-27 series airplanes with serial numbers 10202, 10105 through 10684, 10686, 10687, and 10689 through 10692.
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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