An applicant who requires a duplicate test report
due to loss, theft, or destruction of the original,
shall send a signed request, including a check or
money order for $1, to:  Federal Aviation
Administration, Airmen Certification Branch (AFS-760),
PO Box 25082, Oklahoma City, OK, 73125.

  The request letter should state the applicant's full
name, date of birth, social security number and/or
airman certificate number, name and approximate date
of test, reason for replacement, and the applicant's 
current address and phone number.  For further 
information on duplicate airman tests, call (405)
954-3235.

http://av-info.faa.gov/data/designeeupdate/udoct98.pdf