AD 92-24-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737-300 Series Airplanes |
Unsafe Condition
Fuel leakage from the variable stator vane (VSV) fuel manifold and interference of the left fan cowl hold open rod with a fuel supply tube can create a potential fire hazard and lead to subsequent engine shutdown.
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Required Actions
Inspect the VSV fuel manifold for chafing and leaks, check orientation of the fifth/ninth stage pneumatic duct coupling clamps, and inspect fuel supply lines for interference. Repair or replace chafed components, relocate components as necessary, and install index keyed pneumatic ducts as terminating action. Compliance must be done prior to further flight.
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Compliance Time
Within the next 30 or 60 days after specified dates, or at each engine change after December 11, 1992, depending on airplane group and paragraph. Prior to further flight.
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Affected Aircraft
Boeing Model 737-300 Series airplanes listed in Boeing Alert Service Bulletin 737-71A1208, Revision 2, dated March 23, 1989.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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