AD 90-20-14

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AD Number:
90-20-14
Document Type:
AD Final Rules
Docket Number:
90-NM-25-AD
Subject Heading:
Airworthiness Directives; BOEING Model 727 Series Airplanes
Subject:
Cargo Compartment Frames
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/23/1990
Make:
The Boeing Company
Model:
727-100 Series | 727-100C Series | 727-200 Series | 727-200F Series | 727 Series | 727C 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Superseded AD: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Superseded By: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:
AIRWORTHINESS DIRECTIVES FINAL RULES: 90-20-14
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-25-AD

AMENDMENT:   39-6730

AD NUMBER:   90-20-14

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 727 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 23, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-20-14 BOEING: Amendment 39-6730. Docket No. 90-NM-25-AD.

Applicability: Model 727 series airplanes, listed in Boeing Service Bulletin 727-53- 0068, Revision 4, dated September 14, 1989, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To detect cracks in the forward cargo compartment sidewall frames, accomplish the following:

A. Except as provided in paragraph B., below, within the next 2,000 flight cycles after the effective date of this AD, or prior to accumulating 15,600 total flight cycles, whichever occurs later, conduct a visual inspection of the forward cargo compartment sidewall frames for cracks, in accordance with the Accomplishment Instructions of Boeing Service Bulletin 727-53- 0068, Revision 4, dated September 14, 1989. Repeat the inspections at intervals not to exceed 9,000 flight cycles.

B. Repair cracked structure prior to further flight, in accordance with the Accomplishment Instructions of the Boeing Service Bulletin, 727-53-0068, Revision 4, dated September 14, 1989, or earlier FAA-approved revisions.

C. Modification of the affected structure in accordance with the Accomplishment Instructions of Boeing Service Bulletin 727-53-0068, Revision 4, dated September 14, 1989, or earlier FAA-approved revisions, terminates the inspection requirements of paragraph A. of this AD.

D. 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 (ACO), FAA, Transport Airplane Directorate.

NOTE: The request should be submitted directly to the Manager, Seattle ACO, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Seattle ACO.

E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of 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 Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.

Airworthiness Directive 90-20-14 supersedes AD 83-02-08, Amendment 39-4548.
Amendment 39-6730, AD 90-20-14, becomes effective on October 23, 1990.

FOOTER: