SAMPLE - PRODUCT HAS MALFUNCTION(S) : PLEASE REPAIR

[NAME, COMPANY AND ADDRESS]

Enclosed, please find [PRODUCT(S), ex. your A45 compressor], which we purchased on [DATE, ex. June 1, 1998] (a copy of the sales receipt is enclosed).  After limited use, I’m afraid that it has unexpectedly failed.  [STATE NATURE OF MALFUNCTION(S), ex. Although the compressor does begin to operate upon starting, it ceases operation within five minutes and emits mass amounts of smoke.]

Since I know of your good reputation for customer satisfaction, I am confident you will repair the item{s} for me or issue me a replacement, as you deem necessary.

Please contact me at XXX-XXXX if there are any concerns.

Sincerely,