AD 97-02-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Impairment of the proximity switch bracket movement can prevent detection of flap control cable tension loss, leading to unintended flap movement and reduced controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the shim from behind the proximity switch, trim the switch bracket, and comply with Boeing Alert Service Bulletin 737-27A1199.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 18 months or 3,200 hours time-in-service after the effective date of this AD, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-300, -400, and -500 series airplanes with line production numbers 1001 through 2765, inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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