AD 74-24-06

AD Final Rules - DRS_74-24-06.html
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AD Number:
74-24-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 727-200 Airplanes
Subject:
Landing Gear Position Indicator Lock Switch
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/26/1974
Make:
The Boeing Company
Model:
727-200 Series
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 74-24-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2018

AD NUMBER:   74-24-06

SUBJECT HEADING:   BOEING Model 727-200 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective November 26, 1974.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
74-24-06 BOEING: Amendment 39-2018. Applies to Boeing Model 727-200 airplanes, listed in Boeing Service Bulletin 727-32-222 dated September 6, 1974, or later FAA approved revisions.
(1) To detect broken wires or a failed nose landing gear position indicator lock switch, perform an operational test of the nose landing gear position indication system per Boeing 727 Maintenance Manual, Chapter 32-61-71, within the next 300 hours time in service after the effective date of this AD, unless Service Bulletin 727-32-222 is already accomplished.
(2) As terminating action to prevent false "Down and Locked" nose landing gear position indication, within the next 1,000 hours time in service after the effective date of this AD, unless already accomplished, modify the wiring in accordance with Boeing Service Bulletin 727-32-222 dated September 6, 1974, or Boeing Service Bulletin 727-32-222, Revision 1, dated November 15, 1974, or later FAA approved revisions, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).
All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P. O. Box 3707, Seattle, Washington 98124. The documents may be examined at FAA Northwest Region, 9010 East Marginal Way, Seattle, Washington 98108.

This amendment becomes effective November 26, 1974.

FOOTER: