AD 83-02-10

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AD Number:
83-02-10
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 747 Series Aircraft
Subject:
Icing Prevention
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/31/1983
Make:
The Boeing Company
Model:
747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more
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Superseded AD: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Superseded By: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:
AIRWORTHINESS DIRECTIVES FINAL RULES: 83-02-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4550

AD NUMBER:   83-02-10

SUBJECT HEADING:   BOEING Model 747 Series Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective March 31, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
83-02-10 BOEING: Amendment 39-4550. Applies to Boeing Model 747 series aircraft certificated in all categories. Serial numbers as indicated in the following service bulletins.

Within the next 3000 hours time in service after the effective date of this AD, unless previously accomplished, modify the affected aircraft as noted below in accordance with the following service bulletins or later FAA approved revisions:

1. Applies to aircraft listed in Boeing 747 Service Bulletin 27-2065 dated February 22, 1971. To prevent icing of the aileron control cables in the right wing gear wheel well, modify the aircraft in accordance with the Accomplishment Instructions of Boeing 747 Service Bulletin 27- 2065 dated February 22, 1971.

2. Applies to aircraft listed in Boeing 747 Service Bulletin 27-2095 dated June 5, 1972. To prevent icing of the aileron control cables in the left wing gear wheel well, modify the aircraft in accordance with the Accomplishment Instructions of Boeing 747 Service Bulletin 27-2095 dated June 5, 1972.

3. Applies to aircraft listed in Boeing 747 Service Bulletin 27-2161 dated March 4, 1977. To prevent icing of the aileron control cables in the left wing gear wheel well, modify the aircraft in accordance with the Accomplishment Instructions of Boeing 747 Service Bulletin 27- 2161 dated March 4, 1977.

4. Applies to aircraft listed in Boeing 747 Service Bulletin 51-2032 dated November 20, 1981. To prevent icing of the aileron control cables in the left wing gear wheel well, modify the aircraft by installation of an MS28778-8 "O" ring or replace the knurled nut with an AN818L- 10 nut in accordance with Boeing 747 Service Bulletin 51-2032 dated November 20, 1981.

5. Alternate means of compliance with this AD which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, Northwest Mountain Region.

6. Aircraft may be ferried to a base for maintenance in accordance with Section 21.197 and 21.199 of the Federal Aviation Regulations.

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. These documents may also be examined at FAA, Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective March 31, 1983.

FOOTER: