AD 83-07-21

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AD Number:
83-07-21
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Short Model SC-7 Series 3 Series Airplanes
Subject:
Cargo Door Locking Pin
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/14/1983
Make:
Short Brothers PLC
Model:
SC-7 Skyvan Series 3
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Superseded AD: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Superseded By: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: 83-07-21
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4623

AD NUMBER:   83-07-21

SUBJECT HEADING:   Airworthiness Directives; Short Model SC-7 Series 3 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 14, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   83-07-21 SHORT BROTHERS AND HARLAND, LTD.: Amendment 39-4623. Applies to the following Model/Serial Number airplanes with a one-piece, "flip-type," cargo door installed, certificated in any category.

Model

	Serial Number
SC-7 Series 3	SH1855, SH1860, SH1866 through SH1868, SH1875 through SH1880, SH1887 through SH1891, SH1894 through SH1900, SH1902, SH1904 through SH1906, SH1909 through SH1917, SH1919 through SH1924, SH1928 through SH1929, and SH1931 and on.

Compliance: Required as indicated, unless already accomplished.

To preclude unwanted inflight opening of the cargo door, within the next 100 hours time- in-service after the effective date of this AD, accomplish the following:
(a) Examine the cargo door locking pin microswitch assembly per Part "A" of the Accomplishment Instructions in Shorts Service Bulletin No. 52-65 dated November 1, 1980. If an adjusting screw is found to be installed on the microswitch operating lever as shown on Figure 2 of the Service Bulletin, prior to further flight accomplish the following per Part "B" of Service Bulletin No. 52-65:
1) Remove the adjusting screw from the microswitch operating lever.
2) Adjust the length of the locking pin operating rod allowing the pin to act directly on the lever.
3) Adjust the microswitch so that the final configuration of the microswitch and locking pin position are as shown in Figure 5 of the Service Bulletin.

(b) Check the operation of the door to assure proper engagement of the locking pins per Step 14 of the Service Bulletin.

(c) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished.

(d) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.

This amendment becomes effective on April 14, 1983.

FOOTER: