AD 70-06-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-600 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-700 Series | BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-800 Series | BOEING Model 737 Series Airplanes |
Unsafe Condition
Failure of the takeoff warning system and automatic speed brake retraction system at temperatures down to minus 65 degrees F.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a cockpit placard warning against automatic spoiler deployment below 0°F within 50 hours time in service. Replace the takeoff warning switch actuating cam with a modified cam and rig the power lever knobs within 1000 hours time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time in service after the effective date of this AD for the placard installation and within 1000 hours time in service after the effective date of this AD for the cam replacement and rigging.
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Affected Aircraft
Boeing 737 series airplanes listed in Boeing Service Bulletin 27-1031 dated 22 August 1969 and Revision 2 dated 27 January 1970, or later FAA-approved revisions.
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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