AD 70-23-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Airplanes |
Unsafe Condition
The pilot's or first officer's instrument panel assemblies sliding aft and producing control column interference.
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Required Actions
Install placards on captain and first officer instrument panels stating 'Check panel security before take-off', incorporate a check item in flight crew aircraft acceptance checklist, or include panel security as a required inspection item in the maintenance program. Secondary safety latches per Boeing Service Bulletin 31-2005 may also be installed.
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Compliance Time
within 25 flight hours in service after receipt of this telegram
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Affected Aircraft
Boeing 747 airplanes including 747-100 Series, 747-100B Series, 747-100B SUD Series, 747-200B Series, 747-200C Series, and other 747 models as listed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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