AD 98-15-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | BRP--POWERTRAIN GMBH & CO KG | 912 F2 | Airworthiness Directives; Bombardier-Rotax GmbH 912 F Series Reciprocating Engines |
| engine | BRP--POWERTRAIN GMBH & CO KG | 912 F3 | Airworthiness Directives; Bombardier-Rotax GmbH 912 F Series Reciprocating Engines |
| engine | BRP--POWERTRAIN GMBH & CO KG | 912 F4 | Airworthiness Directives; Bombardier-Rotax GmbH 912 F Series Reciprocating Engines |
Unsafe Condition
Fuel leaks at the outlet port of the fuel pump due to misalignment of the rigid tube connecting the fuel distribution manifold and fuel pump, which could result in undetected loss of fuel in flight or an engine fire.
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Required Actions
Install an improved fuel pump and fuel supply tube in accordance with Bombardier-Rotax GmbH Technical Bulletin No. 912-20 R1. Accomplish the installation at the earliest of: prior to exceeding 25 hours time in service (TIS) after the effective date of this AD, the next engine maintenance action, or upon discovery of a fuel pump leak.
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Compliance Time
At the earliest of: prior to exceeding 25 hours time in service (TIS) after the effective date of this AD, the next engine maintenance action, or upon discovery of a fuel pump leak
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Affected Aircraft
Bombardier-Rotax GmbH 912 F series reciprocating engines, serial numbers 4,412.502 up to and including S/N 4,412.764, installed on but not limited to Diamond Aircraft Industries DA 20-A1 aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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