VICE LETTER 15-OCT-2003 SL 737-SL-23-037 REV. B GABLES NEW RADIO TUNING PANEL (RTP) PM G7404-12X. SERVICE LETTER 09-JAN-2009 SL 737-SL-23-038 ARINC EUROPEAN VHF REOUENCY CHANGE. SERVICE LETTER 10-SEP-2004 SL 737-SL-23-038 REV. A ARINC EUROPEAN VHF FREQUENCY CHANGE. SERVICE LETTER 10-MAY-2005 SL 737-SL-23-038 REV. B 1