Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# SB-0397-09 REV1.
TOYOTA: VEHICLE INTERIOR: INTERIOR PANELS/TRIM
TO IMPROVE SERVICEABILITY OF THE FLOOR CARPET GROMMET (FLOOR CLAMP RETAINER), A NEW SERVICE PART HAS BEEN DEVELOPED WHICH ALLOWS THE FLOOR CARPET GROMMET TO BE REPLACED SEPARATELY FROM THE CARPET ASSEMBLY. MODELS INCLUDE AVALON, CAMRY, CAMRY HV, PRIUS, TACOMA AND TUNDRA. *PE.