Got this from another site and thought I would spread the news:
From FirearmsID.com:
"M1A Bolts
"Some M1A bolts manufactured by Springfield Armory, Inc. might not function reliably. If you have a Springfield Armory M1A bolt with any of the following markings, contact Springfield Armory, Inc. as outlined in steps A or B above for replacement.
"The bolts in question are marked as follows:
"No numerical or alphabetical characteristics on either top or back of bolt (completely unmarked).
"Any bolt with any numerical or alphabetical markings at all on the back of the bolt.
"Any bolt with the top marked "7790185" and with "SA RRR" centered below that number.
"Any bolt with the top marked "790185" and with "SA" centered below that number.
"Springfield Armory, Inc. regrets any inconvenience caused by the return of any firearm affected by this notice. Repairs will be completed in the shortest possible time, and all service, parts, and shipping costs will be the responsibility of Springfield Armory, Inc.
"Source:
"Guns & Ammo, December 1987; page 91
"Guns & Ammo, March 1988; page 14
"Shooting Times, January 1988; page 67
"California Department of Justice Firearms Safety Note 88-1"