AD 89-13-07

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AD Number:
89-13-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; McDONNELL DOUGLAS C-9-81, -82, and -87 Series Airplanes
Subject:
Wheel Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/24/1989
Make:
The Boeing Company
Model:
DC-9-81 (MD-81) | DC-9-82 (MD-82) | DC-9-87 (MD-87)
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Superseded AD: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Superseded By: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: 89-13-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-6239

AD NUMBER:   89-13-07

SUBJECT HEADING:   Airworthiness Directives; McDONNELL DOUGLAS C-9-81, -82, and -87 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 24, 1989.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
89-13-07 McDONNELL DOUGLAS: Amendment 39-6239.

Applicability: Model DC-9-81, -82, and -87 series airplanes, equipped with Loral Aircraft Braking Systems main landing gear wheels, Part Number 5004320-2, -3, -4, -5, -6, and -7, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent wheel failure, accomplish the following:

A. Prior to the accumulation of 2,000 landings on the wheel or within the next 350 landings after the effective date of this AD, whichever occurs later, unless the wheel was inspected within the last 700 landings, inspect the wheel assembly for cracks in accordance with Loral Service Bulletin MD 81-32-1, MD-82-32-1, and MD-87-32-1, Revision 1, dated November 15, 1988.

1. If no cracks are found, replace the key boss screws in accordance with the Loral Service Bulletin.

2. If crack(s) are found, replace the wheel before further flight.

B. Within 90 days after the effective date of this AD, revise the FAA-approved maintenance program to include inspection of the wheel assembly, and replacement, if necessary, as specified in paragraph A., above, at every fourth tire change or every 1,500 landings, whichever occurs first.

C. 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, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Los Angeles Aircraft Certification Office.

D. 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 Loral Aircraft Braking Systems, 1204 Massillon Road, Akron, Ohio 44306-4186, Attention: Manager of Product Integrity, Mr. J. B. Wright. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California.

This amendment (39-6239, AD 89-13-07) becomes effective on July 24, 1989.


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