AD 2009-18-09
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
Prolonged dry running of the fuel transfer pumps may result in an ignition source in the centre wing fuel tank, leading to ignition of flammable fuel vapors and consequent fuel tank explosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the Flight Warning Computer (FWC) with a modified unit incorporating software version V13.55. Revise the airplane flight manual (AFM) to change certain indications and warnings. Install new software for the multifunction display unit (MFDU). Install a new resistor in the thrust reverser indicator and control system, or an improved thrust reverser unlock indication relay.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (October 14, 2009)
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Affected Aircraft
Fokker Model F.28 Mark 0100 airplanes, all serial numbers; Fokker Model F.28 Mark 0070 airplanes, specific serial numbers listed in the AD.
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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