AD 62-01-01

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AD Number:
62-01-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; FAIRCHILD-HILLER Model F-27 Series and FH-227 Airplanes
Subject:
Drier Housings
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/09/1962
Make:
Maryland Air Industries, Inc.
Model:
F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227
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Superseded AD: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Superseded By: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: 62-01-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2102

AD NUMBER:   62-01-01

SUBJECT HEADING:   Airworthiness Directives; FAIRCHILD-HILLER Model F-27 Series and FH-227 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 9, 1962.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
62-01-01 FAIRCHILD-HILLER: Amendment 383 Part 507 Federal Register January 9, 1962 as amended by Amendment 39-2102. Applies to Model F-27 Series and FH-227 Airplanes Equipped with Walter Kidde Company Chemical Drier Housings, P/N 890395 and P/N 890800- 0001.

Compliance required as indicated.

It has been determined that Walter Kidde Company Chemical Drier Housing, P/N 890395, is subject to cycling failure at a time limit lower than originally established by the manufacturer. Accordingly, the following shall be accomplished:

Chemical Drier Housing, P/N 890395, shall be removed from service at each 2,000 hours' time in service, or 2 years, whichever occurs first.

Chemical Drier Housing, P/N 890800-0001, may be installed as a replacement for P/N 890395. This replacement housing shall be removed from service at each 4,300 hours' time in service or 20,000 cycles of operation of the chemical drier (two cycles for each takeoff and landing sequence of the aircraft).

All housings shall be visually inspected at each cartridge change during their service life. If cracking, distortion or corrosion is evidenced, remove the housing for a detail inspection. If cracks or distortion are found in either the housing tube or end caps, or if corrosion is found in the threaded areas, the entire unit shall be replaced prior to further flight. Any surface corrosion, other than in the threaded areas, may be removed provided the wall thickness is not reduced below the following:

P/N 890395: 0.160 inch.
P/N 890800-0001: 0.206 inch.
After the removal of corrosion, clean the surface and apply a corrosive resistant finish.

(Fairchild Aircraft and Missiles Division Service Bulletin No. 36-6, Revision 1, covers this same subject.)

This supersedes AD 61-04-03.
Amendment 383 was effective January 9, 1962.
Revised December 29, 1966.
This amendment 39-2102 is effective upon publication.


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