AD 89-11-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F.28 Mark 0070 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 0100 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 1000 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 2000 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 3000 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 4000 | Airworthiness Directives; FOKKER Model F-28 Series Airplanes |
Unsafe Condition
Cracks in the frame 1600 center bracket could cause decompression of the aircraft during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the frame 1600 center bracket for cracks and repair as necessary per Fokker Service Bulletin F28/53-A92, Revision 1. Repeat inspections at intervals not exceeding 4,500 or 3,000 landings depending on configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD or upon accumulation of 75,000 or 50,000 landings, whichever occurs later, depending on configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Fokker Model F-28 series airplanes, serial numbers 11003 through 11241, 11991 and 11992, 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 8, 2026
Rights: U.S. Government Public Domain
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