AD 98-14-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; Boeing Model 737-100, -200, -200C Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; Boeing Model 737-100, -200, -200C Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; Boeing Model 737-100, -200, -200C Series Airplanes |
Unsafe Condition
Fatigue cracking of the lower flange of the forward engine mount support (FEMS) fitting, fractured or loose bolts at the upper inboard attachment, and cracked or severed lugs at the upper outboard support link attachment could result in in-flight engine separation.
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Required Actions
Conduct repetitive detailed visual inspections and ultrasonic inspections of the FEMS fitting and its attachments to detect fatigue cracking and discrepancies. Repair or replace components as necessary, including installing newer-type FEMS fittings or serviceable older-type fittings. Report adverse findings to the FAA.
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Compliance Time
Before further flight unless otherwise specified in the service bulletins referenced in the AD.
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Affected Aircraft
Boeing Model 737-100, -200, and -200C Series airplanes with affected forward engine mount support (FEMS) fittings.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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