AD 84-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM International, S.A. | CFM56-2 | CFM INTERNATIONAL Model CFM 56-2 Engines |
Unsafe Condition
Fuel injectors without heat shields can cause flameouts in CFM56-2 engines.
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Required Actions
Replace fuel injectors P/N 9984M90G20 with P/N 9984M90G28 or P/N 9984M90G14 in accordance with CFM56 SB 73-021, or approved fuel nozzles per SBs 73-024 and 73-034, or FAA approved equivalent.
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Compliance Time
Within 30 days of the effective date of this AD for engines using JP-4 fuel or mixtures containing JP-4; by January 31, 1986 for engines using only Jet A fuel.
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Affected Aircraft
CFM International Model CFM56-2 engines with fuel injectors P/N 9984M90G20.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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