AD 87-23-01

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AD Number:
87-23-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Heath Tecna Service Bulletin 74000-25-007, dated March 6, 1987.
Subject:
Wire Bundles
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/10/1987
Make:
The Boeing Company | Heath Tecna
Model:
747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 87-23-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5759

AD NUMBER:   87-23-01

SUBJECT HEADING:   Airworthiness Directives; Heath Tecna Service Bulletin 74000-25-007, dated March 6, 1987.

ACTION:  

SUMMARY:  

DATES:   Effective December 10, 1987.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
87-23-01 HEATH TECNA: Amendment 39-5759. Applies to Boeing Model 747 airplanes, certificated in any category, that have been modified in accordance with Supplemental Type Certificate SA2365NM, listed in Heath Tecna Service Bulletin 74000-25-007, dated March 6, 1987. Compliance required as indicated, unless previously accomplished.

To minimize fire hazard caused by chafing of ceiling light wire bundles, accomplish the following:

A. Within 60 days after the effective date of this AD, inspect lighting wire bundles which rest atop the Heath Tecna "Superbins" for evidence of damage and chafing, and repair, if necessary, before further flight; and accomplish either 1. or 2., below:

1. Install spacers to protect lighting wire bundles from chafing in accordance with Heath Tecna Service Bulletin 74000-25-007, dated March 6, 1987, or later FAA-approved revision.

2. Trim the outboard edges of the ceiling panels in accordance with paragraph 2C of Heath Tecna Service Bulletin 74000-25-007, dated March 6, 1987, or later FAA-approved revision.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modification required by this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Heath Tecna Aerospace Company, 19819 84th Avenue South, Kent, Washington 98032. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington 98108.

This amendment becomes effective December 10, 1987.

FOOTER: