AD 67-07-03

AD Final Rules - DRS_67-07-03.html
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AD Number:
67-07-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; DOUGLAS DC-9 Airplanes
Subject:
Sperry SP-50 Autopilot
Status:
Current
Citation:
(Federal Register: March 2, 1967)
Citation Publish Date:
03/02/1967
Effective Date:
03/02/1967
Make:
The Boeing Company
Model:
DC-9-11 | DC-9-12 | DC-9-13 | DC-9-14 | DC-9-15 | DC-9-15F | DC-9-21 | DC-9-31 | DC-9-32 | DC-9-32 (...Show more
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Superseded AD: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Superseded By: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: 67-07-03
CITATION:   [Federal Register: March 2, 1967]

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-356

AD NUMBER:   67-07-03

SUBJECT HEADING:   Airworthiness Directives; DOUGLAS DC-9 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 2, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-07-03 DOUGLAS: Amdt. 39-356 Part 39 Federal Register March 2, 1967. Applies to Model DC-9 Airplanes Equipped With the Sperry SP-50A Autopilot.

Compliance required as indicated unless already accomplished.

To prevent an unsafe condition which may result when the autopilot does not disengage when the control wheel disconnect button is used, accomplish the following:

(a) For airplanes having Sperry SP-50A autopilot control panels with 1,500 or more hours' time in service on the effective date of this AD, comply with (d) prior to completing the next 50 hours' time in service.

(b) For airplanes having Sperry SP-50A autopilot control panels with less than 1,500 hours' time in service on the effective date of this AD, comply with (d) prior to completing 1,550 hours' total time in service.

(c) Operators who have not kept records of hours' time in service of individual Sperry SP-50A autopilot control panels shall substitute hours' time in service for the airplane or airplanes in which the individual autopilot control panel was installed.

(d) Install a placard in clear view of the pilot with the following information:

Autopilot(s) must be turned off when operating below 3,000 feet above ground level in a terminal area. Verify by position of the control panel engage lever.

(e) The placard installed in accordance with (d) may be removed when the Sperry SP- 50A autopilot control panel switches have been reworked to Sperry Service Bulletin TA-693-37.

This directive effective March 2, 1967.


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