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FAA
Federal Aviation Administration Department of Transportation
Aviation Safety
AIRWORTHINESS DIRECTIVE
Generated by Aircraft-logs.com — March 22, 2026

AD 71-02-04 ACTIVE

Load Evener Indicator Tube
Key Information
AD Number 71-02-04 Status Active
Effective Date January 23, 1971 Issue Date Not specified
Docket Number Unknown Amendment 39-1146
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) The Boeing Company
Model(s) 747-100 Series 747-100B Series 747-100B SUD Series 747-200B Series 747-200C Series 747-200F Series 747-300 Series 747-400 Series 747-400D Series 747-400F Series 747SP Series 747SR Series
Regulatory Text

71-02-04 BOEING: Amdt. 39-1146. Applies to all Boeing Model 747 Series airplanes. \n\tCompliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished. \n\n\tTo prevent the failure of the load evener indicator tube resulting in passenger injury: \n\tReplace the existing body gear indicator tube cover with a new tube cover in accordance with Boeing Service Bulletin 32-2031, dated July 24, 1970, or later FAA approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. \n\tThis amendment becomes effective January 23, 1971.

AD 71-02-04 — Load Evener Indicator Tube
Printed from Aircraft-logs.com — 03/22/2026