LIST OF AVIATION DOCUMENTS - HOLMCO

Holmberg GmbH & Co.KG (HOLMCO)Ohlauer Strasse 5-11D-10999 BerlinGermanyPhone: +49 30 617 80 113Fax: +49 30 617 80 255web: www.holmco.dee-mail: support@holmco.deLast update: SEP 14/2012SB- No.Documentation IndexSBService BulletinFIRST REV REV.TITLE REMARKSISSUE NO. DATE1046-23-01EXCHANGE OF HEADBAND'S METAL STRAP FROM BOOMSET P/N1046GT2102-SERIESNOV 10/1993 --1046-23-02REMEDY OF MICROPHONE - LEVEL-DECREASING AFTER A LONGTIME USING OF THE BOOMSET P/N 1046GT2102- SERIESJUN 24/1994 --1046-23-03 MODIFICATION OF THE BOOMSET P/N 1046GT2102AYAPR 10/1995 --1046-23-04EXCHANGE OF MICROPHONE'S BOOM FROM BOOMSETP/N 1046GT2102AY WITH AMENDMENT 3OCT 24/1995 --1046-23-05MODIFICATION OF MICROPHONE'S BOOM FROM HEADSETP/N 1046GT2102-SERIESAUG 26/1996 --COMMUNICATIONS1046-23-07 HEADSET SERIES PNR 1046GT2102XXOCT 14/2003 --EXCHANGE OF THE AMPLIFIER PCB71K2102-23-1 REPLACEMENT OF RECEIVER CAPSULE P/N 352.0049.15JAN 12/1984 -- deletedRADIO FREQUENCY (RF) SUSCEPTIBILITY750-23-05 HANDSET RF SUSCEPTIBILITYNOV 01/1999 1 JUN 15/2000MODIFY PC-BOARD TO DECREASE THE RF SUSCEPTIBILITY8516-23-01COMMUNICATIONSMICROPHONE SERIES PNR 85-16-(X)-05 – AMPLIFIER MODIFICATIONNOV 26/2007 -- OCT 01/200985-23-01FREQUENCY RESPONSE OF THE HAND-HELD MICROPHONE 85-16-08836MAY 06/1996 --85-23-02REMEDY OF MICROPHONE LEVEL - DECREASING AFTER A LONGTIME USING OF MICROPHONES OUT OF SERIES P/N 85-13-XXXXX-02DEC 18/2000 --REDESIGN OF ANTI-KINK DEVICE85-23-03 INCREASING OF CORD RELIABILITYAUG 02/2001 --COCKPIT MICROPHONE SERIES 85-13-(X)-0X85-23-04NEW OUTPUT CABLE ASSY- ACCORDING FAR 25.853 (F 1.7)COCKPIT MICROPHONE SERIES 85-13-(X)-0XJAN 31/2003 2 NOV 24/200485-23-06COMMUNICATIONS – MICROPHONE SERIES 85-13-(X)-01REDESIGN OF PCB FOR COCKPIT MICROPHONE SERIES 85-13-(X)-01FEB 07/2008 --89-23-01HUM-PROTECTION OF MICROPHONE-BASKET FROMHANDSET 89-01-SERIESMAY 10/1992 --89-23-02PROTECTION AGAINST EXTRACTION OF CABLEHANDSET 89-01-SERIESMAR 24/1993 1 FEB 08/2000RADIO FREQUENCY (RF) SUSCEPTIBILITY89-23-03 HANDSET RF SUSCEPTIBILITYJUN 03/1997 --MODIFY PC-BOARD TO DECREASE THE RF SUSCEPTIBILITYNEW HANDSET TYPE FOR A319-SERVICE KIT HANDSET - MODIFYR 89-23-04LHT MAR 24/1997 --HANDSET TYPE 89-01-07122 IN MODEL P/N 89-01-07142SB 89-23-04LHT is for DeutscheLufthansa AG (DLH) only.Please contact DHL directly forany questions related to this SB89-23-05HANDSET SERIES 89-01-07XXXCONNECTOR OF MICROPHONE UNIT-MODIFY MICROPHONE UNIT TO IMPROVE RELIABILITYFEB 20/1998 1 MAR 20/1998HANDSET PNR 89-01-09749-18 - LOCKING FUNCTION -89-23-06 MODIFY LOCKING SPRING AND LOCKING BUTTON TO IMPROVE JUN 23/2003 --RELIABILITY89-23-07COMMUNICATIONS HANDSET SERIES PNR 89-01-X7XXX - RE-DESIGN OF CABLE ASSYJAN 21/2004 --89-23-08COMMUNICATIONS HANDSET SERIES PNR 89-01-(X)-16 -REDESIGN OF CABLE ASSYMAR 03/2005 -- Invalid89-23-09INTRODUCTION OF LOCKING SUPPORT BRACKET FOR HANDSETSERIES 89-01-07XXX AND 89-01-17XXXFEB 14/2005 -- deleted89-23-10INTRODUCTION OF TYPE CHANGING FOR HANDSET KEYLAYOUTSSERIES 89-01-07XXXMAR 14/2005 --This document is property of Holmberg GmbH and Co. KG.It shall not be partially or totally reproduced, lent to a third party or used against the aforementioned Company.Page 1 of 2

Holmberg GmbH & Co.KG (HOLMCO)Ohlauer Strasse 5-11D-10999 BerlinGermanyPhone: +49 30 617 80 113Fax: +49 30 617 80 255web: www.holmco.dee-mail: support@holmco.deLast update: SEP 14/2012SB- No.Documentation IndexSBService BulletinFIRST REV REV.TITLE REMARKSISSUE NO. DATECOMMUNICATIONS HANDSET SERIES PNR 89-01-(X)-16 89-23-12 OCT 16/2006 --EXCHANGE OF THE AMPLIFIER PCB89-23-13COMMUNICATIONS HANDSET SERIES PNR 89-01- MODIFICATION OF THE MAIN HOUSINGAPR 04/2008 --COMMUNICATIONS - 89-01-X7XXX HANDSET SERIES89-23-14INTRODUCTION OF TYPE CHANGING OFHANDSET SERIES 89-01-X7XXX AS CONSEQUENCE OF CABLEMAR 26/2007 --REPLACEMENT89-23-15COMMUNICATIONS - 89-01-Z7XXY HANDSET SERIES - IMPROVEMENTOF THE CABLE ASSEMBLY (CORDE COILED)JAN 16/2009 --9123-23-05COMMUNICATIONS - HEADSET SERIES PNR 91-23-(X)-07 - EXCHANGEOF THE AMPLIFIER PCBOCT 16/2003 1 NOV 14/2003COMMUNICATIONS9123-23-06HEADSET SERIES PNR 91-23-(X)-07 ANDHEADPHONE SERIES 95-23-(X)-13JAN 14/2004 --NEW SPARE PARTCOMMUNICATIONS - N38 HANDSET SERIESN38-44-01 ADAPTATION OF THE ELECTRICAL INTERFACE BETWEEN BRACKET SEP 16/2008 --AND HANDSET VIA CHANGED LINE RESISTORSThis document is property of Holmberg GmbH and Co. KG.It shall not be partially or totally reproduced, lent to a third party or used against the aforementioned Company.Page 2 of 2