AD 77-03-01

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AD Number:
77-03-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Rockwell Models 690, 690A, and 690B, Airplanes
Subject:
Left and Right Wing Rivets
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
02/16/1977
Make:
Twin Commander Aircraft LLC
Model:
690 | 690A | 690B
Product Type:
Aircraft
Product Subtype:
Small 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Superseded AD: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Superseded By: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: 77-03-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2823

AD NUMBER:   77-03-01

SUBJECT HEADING:   Airworthiness Directives; Rockwell Models 690, 690A, and 690B, Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective February 16, 1977.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
77-03-01 ROCKWELL: Amendment 39-2823. Applies to Models 690, 690A, and 690B, S/N's 11000 through 11371.

Compliance required as indicated.

Before further flight, unless already accomplished, except that the airplane may be flown in accordance with FAR 21.197 to a base where the inspection or repair may be performed, accomplish the following:

Inspect both left and right wing rivets in accordance with Rockwell Service Bulletin No. 163 dated January 21, 1977, or later approved revision or in accordance with an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration, Fort Worth, Texas.

(a) If no loose or sheared rivets are found, reinspect at 25-hour intervals or after any unusually hard landing, in accordance with Rockwell Service Bulletin No. 163 dated January 21, 1977, or later approved revision or in accordance with an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration, Fort Worth, Texas.

(b) If loose or sheared rivets are detected, repair and reinspect in accordance with the procedures described in Rockwell Service Bulletin No. 163 dated January 21, 1977, or later approved revision or in accordance with an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration, Fort Worth, Texas.

(c) Within 500 hours' time in service after the effective date of this AD, rework all designated rivet patterns in accordance with (b) above. When all patterns have been reworked in accordance with (b), the repetitive inspections of (a) and (b) may be discontinued.

This amendment becomes effective February 16, 1977, and is effective upon receipt for all recipients of the AD dated January 27, 1977, which contained this amendment.

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