AD 78-20-12

AD Final Rules - DRS_78-20-12.html
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AD Number:
78-20-12
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; FIRESTONE AIRCRAFT TIRES: Applies to all Firestone size 18x5.5 Mach I, 1...Show more
Subject:
Aircraft Tires
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/05/1978
Make:
Cessna Aircraft Company | Firestone | Textron Aviation Inc. | Learjet Inc. | M7 Aerospace LLC
Model:
336 | 337 | T337B | T337C | T337D | T337E | T337F | T337G | T337H | T337H-SP | Aircraft Tires | 200 ...Show more
Product Type:
Appliance
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Superseded AD: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Superseded By: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: 78-20-12
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3312

AD NUMBER:   78-20-12

SUBJECT HEADING:   Airworthiness Directives; FIRESTONE AIRCRAFT TIRES: Applies to all Firestone size 18x5.5 Mach I, 10 Ply rating part number 00490

ACTION:  

SUMMARY:  

DATES:   Effective October 5, 1978.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
78-20-12 FIRESTONE AIRCRAFT TIRES: Amendment 39-3312. Applies to all Firestone size 18x5.5 Mach I, 10 Ply rating part number 00490, serial numbers having the first four numbers 0677, to be replaced by Firestone tire part number 00518 or other approved tire installed on, but not limited to, Lear Jet Models 23, 24, 25; Beech Models 99 series, B100, 200; Swearingen SA 226-TC and Cessna Models 336/337 or T-337 series aircraft.

a) Inspect for serial numbers having the first four numbers 0677 P/N 00490.

b) Replace with Firestone tires having serial numbers outside of this subject group or with Firestone tire P/N 00518 or with any other tire approved for these aircraft.

Obliterate TSO markings on tires identified in this AD to prevent future use on aircraft.

This amendment is effective October 5, 1978, as to all persons except those persons to whom it was made immediately effective by the airmail letter dated September 6, 1978, which contained this amendment.

FOOTER: