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AD 69-20-06 ACTIVE

Electrical Overloads Of Circuits
Key Information
AD Number 69-20-06 Status Active
Effective Date October 30, 1969 Issue Date Not specified
Docket Number Unknown Amendment 39-854
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) 707-100 Long Body 707-100B Long Body 707-100B Short Body 707-200 707-300 Series 707-300B Series 707-300C Series 707-400 Series 720 Series 720B Series 727-100 Series 727-100C Series 727-200 Series 727-200F Series 727 Series 727C Series 737-100 Series 737-200 Series 737-200C Series 737-300 Series 737-400 Series 737-500 Series 737-600 Series 737-700 Series 737-800 Series
Regulatory Text

69-20-06\tBOEING: Amdt. 39-854. Applies to Model 707, 720, 727 and 737 series airplanes. \n\n\tCompliance required within the next 1500 hours' time in service after the effective date of this AD, unless already accomplished. \n\n\tTo prevent hazardous conditions resulting from electrical overloads of circuits using Wood Electric Corporation three-phase circuit breakers (Boeing P/N BAC-C18L( )) accomplish the following: Replace all Wood Electric Corp. three-phase circuit breakers (Boeing P/N BAC- C18L( )) in accordance with Boeing Service Bulletin No. 2897, dated May 21, 1969, and No. 2898, dated May 1, 1969, (707 and 720 airplanes) or later FAA approved revisions; Service Bulletin No. 24-48, dated May 21, 1969, (727 airplanes), or later FAA approved revisions; and Service Bulletin No. 24-1011, dated May 21, 1969 (737 airplanes), or later FAA approved revisions, or an equivalent replacement approved by the Chief, Aircraft Engineering Division, FAA Western Region. \n\n\tThis amendment becomes effective October 30, 1969.