AD 93-01-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; BOEING Model 737-100, -200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; BOEING Model 737-100, -200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737-100, -200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; BOEING Model 737-100, -200, -300, and -400 Series Airplanes |
Unsafe Condition
Loss of primary and secondary pitch control due to failure of plastic flight control cable guards.
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Required Actions
Replace plastic flight control cable guards with aluminum ones within 48 months. Relocate aluminum guards from RBL 6.60 to RBL 14.75 between BS 947.5 and 967 within 48 months. Verify grommets are properly installed.
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Compliance Time
Within 48 months after the effective date of this AD
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Affected Aircraft
BOEING Model 737-100, -200, -300, and -400 series airplanes through line number 1869, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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