AD 83-10-04

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AD Number:
83-10-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; MESSERSCHMITT-BOLKOW-BLOHM GMBH Model HFB-320 Airplanes
Subject:
Horizontal Stabilizer Attachment Fittings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/06/1983
Make:
Hamburger Flugzeugbau G.m.b.H.
Model:
HFB 320 Hansa
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Superseded AD: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Superseded By: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: 83-10-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4653

AD NUMBER:   83-10-04

SUBJECT HEADING:   Airworthiness Directives; MESSERSCHMITT-BOLKOW-BLOHM GMBH Model HFB-320 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 6, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   83-10-04 MESSERSCHMITT-BOLKOW-BLOHM GMBH: Amendment 39-4653. Applies to HFB-320 airplanes serial numbers 1021-1023, 1026, 1027, 1030-1040, 1045, and 1049-1057. To prevent failure of the horizontal stabilizer attachment fittings accomplish the following, unless already accomplished:

1. Visually inspect the horizontal stabilizer attachment fittings and adjacent structure for corrosion and cracks in accordance with paragraph I of the "Accomplishment Instructions" of Messerschmitt-Bolkow-Blohm GMBH Service Bulletin 55-7 dated September 7, 1979, within 300 hours time in service or one year, whichever occurs first, for airplanes with a maximum of 1500 hours on the horizontal stabilizer on the effective date of this AD, and within 50 hours time in service or two months, whichever occurs first, for airplanes with more than 1500 hours on the horizontal stabilizer.

2. Rework the horizontal stabilizer in accordance with paragraph 7.1 or 7.2, as appropriate, of the service bulletin within the time intervals specified in the service bulletin.

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

4. 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 inspections and/or modifications required by this AD.

This amendment becomes effective June 6, 1983.

FOOTER: