Mandatory Service Bulletin Letter

June 27, 2006

Dear Alaskan Bushwheel Customer:

The Federal Aviation Association (FAA) issued a Special Airworthiness Information Bulletins (SAIBs) CE-05-21 on December 15, 2004, and CE-05-71 on July 15, 2005. These SAIBs provided important safety information to the owners and operators of Alaskan Bushwheel Tundra Tires manufactured by Alaska Tire & Rubber Company, Eagle River, Alaska.

Alaskan Bushwheel Incorporated is issuing its very first Mandatory Service Bulletin in an effort to stop the resale and remove from service these unapproved Alaskan Bushwheel Tundra Tires. In recent months several individuals have been harmed financially by purchasing these unapproved parts on the open market, through private sale, only to discover after the sale that the parts are identified and listed in SAIB CE-05-71. Field Repair Stations, mechanics, and owners of Type aircraft in Alaska were notified of the SAIB by mail, but many people in the continental US and Canada were not notified. This is where many of the tires are being re-sold. If you or someone you know has tires that were described as light, ASM model or strapped tires with the TSO-C62d brand on them, you have illegal, unapproved parts on your aircraft.

We feel that the awareness of the seriousness of SAIB CE-05-71 needs to be heightened. Jim Pazsint of Alaska Tire & Rubber Company, Eagle River, Alaska did manufacture and sell unapproved aircraft tires with the TSO brand. Alaskan Bushwheel Inc. and the FAA are continuing to monitor the service of these un-tested, unapproved tires. To date, there have not been any reported incidents involving these unapproved tires that are the subject of SAIB CE-05-71, but these tires manufactured and sold by Jim Pazsint, Alaska Tire & Rubber Company, Eagle River, Alaska were forensically tested and found to be constructed of unapproved ply material of lesser strength and rubber thickness than required by FAA approved standards.

The FAA, finance companies, NTSB and insurance companies are aware of SAIB CE-05-71. Be assured, in any incident involving damage to property, serious injury, or loss of life, these category 1 critical landing parts will be inspected. Liability may rest on the shoulders of the owner and/or the mechanic who last inspected the aircraft. Any aircraft using these unapproved parts may be determined to be not airworthy for purposes of insurance coverage.

The FAA has stated, that for parts as old as these tires, attrition usually causes the part to remove itself from service. But in the event of a death, serious injury, or substantial aircraft damage caused by the defective tires, an Airworthiness Directive (AD) may be issued requiring removal from service all tires manufactured and sold by James Pazsint, Alaska Tire & Rubber Company, Eagle River, Alaska. Alaskan Bushwheel Inc. desires to be proactive on this matter, not reactive to any such loss.

Alaskan Bushwheel is, therefore, offering current replacement of tires for Alaskan Bushwheel Tundra Tires manufactured by the dissolved Alaska Tire and Rubber Company, Eagle River, Alaska, or purchased from James Pazsint of Fire Lake, Alaska or Wolf Lake, Alaska, referred to in Safety Airworthiness Information Bulletins,(SAIBs) CE-05-21 dated December 15, 2004, and CE 05-71 dated July 15, 2005, at a cost as follows:
                                                                               31"x13"x6" $2800.00
                                                                               29"x13"x6" $2500.00
                                                                               26"x12"x6" $2000.00

This offer is only valid on the condition that the owner removes from service the affected tires and returns them to the factory for verification and agrees to sign and deliver an Assignment of Claim form to Alaskan Bushwheel Inc. Replacement tires will then be shipped to the owner, freight pre-paid with appropriate STC for installation as soon as production allows.

To arrange for the removal from service of affected tires, please contact Alaskan Bushwheel Inc at 800-442-8473 for instructions and procedures.

We at Alaskan Bushwheel Inc. apologize for any inconvenience. We will continue to do our very best to meet our commitment to quality, performance and above all, safety.

Sincerely,

The Alaskan Bushwheel Inc. Team
En/




Mandatory Service Bulletin

MANDATORY SERVICE BULLETIN
DATE: June 27, 2006                                                                                                                                          Service Bulletin No. 001

SUBJECT: Removal from service certain Alaskan Bushwheel Tundra Tires.

TIRES AFFECTED: Any Alaskan Bushwheel Tundra Tire manufactured by the former Alaska Tire & Rubber Company or purchased from James Pazsint of Fire Lake, Alaska or Wolf Lake, Alaska, affected by Special Airworthiness Information Bulletins (SAIBs) CE-05-21 dated December 15, 2004 and CE-05-71 dated July 15, 2005.

PART NUMBERS AFFECTED:              P/N 26126
                                                                 P/N 29136
                                                                 P/N 31136

MANDATORY INSPECTION PROCEDURES:
1. Inspect affected part number in accordance with SAIBs CE-05-21, dated December 15, 2004, and CE-05-71 dated July 15, 2005.

TIME OF COMPLIANCE:
Mandatory inspection in accordance with SAIBs CE-05-21 dated December 15, 2005 and CE-05-71 dated July 15, 2005, of any Alaskan Bushwheel tire in your possession manufactured by the dissolved Alaska Tire & Rubber Company or purchased from James Pazsint of Fire Lake, Alaska or Wolf Lake, Alaska, within the next 5 flight hours after the date of this mandatory service bulletin.

SOLUTIONS:
If affected Part Numbers fail SAIBs CE-05-21 dated December 15, 2005 and CE-05-71 dated July 15, 2005, remove from service and contact Alaskan Bushwheel Inc. at 800-442-8473.

Alaskan Bushwheel is offering current replacement of tires for those referred to in SAIBs CE-05-21 and CE-05-71 at a cost as follows:

31"x13"x6" $2800.00
29"x13"x6" $2500.00
26"x12"x6" $2000.00

This offer is only valid on the condition that the owner removes from service the affected tires and returns them to the factory for verification and agrees to sign an Assignment of Claim form to Alaskan Bushwheel Inc. Replacement tires will then be shipped to the owner, freight pre-paid with appropriate STC for installation as soon as production allows.

Service Bulletin No. 001





Special Airworthiness Information Bulletin

1
SPECIAL AIRWORTHINESS
INFORMATION BULLETIN

Aircraft Certification Service
Washington, DC
U.S. Department
of Transportation
Federal Aviation
Administration
CE-05-71
July 15, 2005
http://www.faa.gov/aircraft/safety/alerts/
This is information only. Recommendations aren?t mandatory.
Introduction
NOTE: We?ve corrected a typo in the tire
P/N reference before mailing this SAIB. All
other information is correct.
This Special Airworthiness Information
Bulletin (SAIB) updates information previously
provided in SAIB CE-05-21, issued December
15, 2004, and provides additional safety
information to you, owners and operators of
airplanes equipped with Alaskan Bushwheel
Tundra Tires, part numbers (P/N) 26126,
29136, and 31136, manufactured by the former
Alaska Tire & Rubber Company of Eagle
River, Alaska.
Background
This SAIB is the result of independent
laboratory destructive analysis, weighing and
measurement, showing that Alaskan Bushwheel
Tundra Tires, serial numbers ATR006253 and
ATR811227, were manufactured from
unapproved ply material and rubber thinner
than permitted by the approved design. Ply
material containing 34 Ends Per Inch (EPI) was
the only approved ply material that Alaska Tire
& Rubber, could use to manufacture its tundra
tires under a Technical Standard Order (TSO)
Authorization issued February 26, 1997, by the
Anchorage Aircraft Certification Office (ACO).
Destructive analysis requested in support of
Suspected Unapproved Parts Investigation
2003-00080 shows that ply material containing
27 EPI was used to manufacture the tundra tires
identified by serial numbers above. Those tires
were also found to weigh less than the
minimum weight approved by the TSO.
The TSO approved minimum new tire weights
are as follows:
? P/N 26126 = 26 lbs.
? P/N 29136 = 33.25 lbs.
? P/N 31136 = 37.75 lbs.
The actual tire weight and the minimum
approved new tire weight may be compared
and used as an indication of the EPI count and
the thickness of rubber used to construct the
tire.
The minimum used tire weights are as follows:
? P/N 26126 = 24.85 lbs.
? P/N 29136 = 31.74 lbs.
? P/N 31136 = 36.04 lbs.
The minimum used tire weights were
calculated by subtracting the weight of rubber
required to reduce the tread thickness to its
minimum allowable thickness from the TSO
approved minimum new tire weight.
2
Recommendation
We recommend that you weigh any Alaskan
Bushwheel Tundra Tires, P/Ns 26126, 29136,
and 31136, manufactured by the former Alaska
Tire & Rubber Company of Eagle River,
Alaska, in your possession within 100
landings after receipt of this SAIB, and
replace them at your aircraft?s next annual
inspection if they weigh less than the
minimum weights applicable to your tires as
prescribed above.
For Further Information Contact
Rodney Bahr, Aerospace Engineer, FAA
Anchorage ACO, 222 W 7th Ave, Unit 14
Anchorage, AK 99513-7587; phone: (907)
271-2646, fax: (907) 271-6365; email: rodney.bahr@faa.gov







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