AD 71-21-09

AD Final Rules - DRS_71-21-09.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
71-21-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
HARTZELL PROPELLERS Models HC-E2YK-2RB, HC-E2YR-2RB, and HC-E2YL-2( ) Propellers
Subject:
Spring Backup Kit
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/27/1972
Make:
Hartzell Propeller, Inc.
Model:
HC-E2Y
Product Type:
Propeller
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 71-21-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1466

AD NUMBER:   71-21-09

SUBJECT HEADING:   HARTZELL PROPELLERS Models HC-E2YK-2RB, HC-E2YR-2RB, and HC-E2YL-2( ) Propellers

ACTION:  

SUMMARY:  

DATES:   Effective June 27, 1972.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
71-21-09 HARTZELL PROPELLERS: Amdt. 39-1313 as amended by Amendment 39- 1466. Applies to Models HC-E2YK-2RB, HC-E2YR-2RB, and HC-E2YL-2( ) Propellers equipped with 8465-7R, 7663-4, or J7663-4 noncounterweighted type blades.

Compliance required as indicated, unless already accomplished.

To prevent overspeeds in flight due to inadvertent loss of the propeller's air charge, accomplish the following:

(a) Propellers with 900 hours or more time in service since new or last overhaul as of the effective date of this AD, must be modified in accordance with paragraph (c) within the next 100 hours' time in service.

(b) Propellers with 900 hours or more time in service since new or last overhaul as of the effective date of this AD must be modified in accordance with paragraph (c) prior to the accumulation of 1,000 hours in service since new, or last overhaul.

(c) Install appropriate Spring Backup Kit and the propeller in accordance with Hartzell Service Letter No. 62 dated June 23, 1970, revised August 6, 1970, or subsequent FAA- approved revision. An equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region

Amendment 39-1313 was effective November 14, 1971.

This amendment 39-1466 is effective June 27, 1972.

FOOTER: