MODIFICATION ORDER JANZAIR M.O Page 1 of 6 Date: Revision: NEW

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1 Page 1 of 6 TITLE: : DEACTIVATE THE ACARS AND VHF COMM-3 SYSTEMS 1.0 SUMMARY: THIS MODIFICATION ORDER IS ISSUED TO AUTHORIZE THE DEACTIVATION OF THE ACARS AND VHF COMM-3 SYSTEMS. THE SYSTEM CIRCUIT BREAKERS WILL BE PULLED AND GUARDED AND THE CIRCUIT BREAKER LOAD WIRES WILL BE DISCONNECTED AND CAP/STOWED. THE VHF COMM-3 T/R, THE ACARS CMU AND PRINTER WILL BE REMOVED. THE FMS DISPLAY PROGRAM PIN CHANGE TO REMOVE THE ACARS ACTIVATION WILL BE ACCOMPLISHED. 2.0 EFFECTIVITY: ASL BELGIUM AIRLINES B AIRCRAFT: N756AS (S/N 25097, PW233), N791AS (S/N 28886, PJ602), N797AS (S/N 28892, PJ608), N703AS (S/N 28893, PJ610), N799AS (S/N 29270, PJ609) TOTAL: 5 AIRCRAFT 3.0 AUTHORIZATION: EASA APPROVED- MINOR CHANGE FAA DER APPROVAL DRAWINGS: /-400/-500 AMM : WIRING DIAGRAMS: JANZAIR: P701, P ISSUE HISTORY: ORIGINAL DATED: WORKSTEPS: PART I- AIRCRAFT WORK PREPARED : W.C. JANZER APPROVED : W.C. JANZER

2 Page 2 of SUBSTANTIATION 7.1- THIS MODIFICATION IS ACCOMPLISHED IN ACCORDANCE WITH FAA DER APPROVED DATA. ALL NEW WIRING MEETS BMS SPECS, AND IS INSTALLED IN ACCORDANCE WITH BOEING WIRING DIAGRAM MANUAL CHAPTER 20 STANDARD WIRING PRACTICES MANUAL DOCUMENT D THIS INSTALLATION DOES NOT EXCEED THE ELECTRICAL CAPACITY OF THE AIRPLANE AND, THEREFORE, COMPLIES WITH THE REQUIREMENTS OF FAR (e) ADDITIONAL SUPPORTING DOCUMENTS: a- ROCKWELL COLLINS ACARS CMU CMM REV FEB 2010 b- ROCKWELL COLLINS VHF TXCVR CMM REV.45, 28 OCT 2013 c- TIMCO E.O. 99T014E006 REV.IR d- TIMCO E.O. 99T014E063 REV.B THIS ALTERATION IS FAA DER APPROVED. 8.0 WEIGHT AND BALANCE: THIS ALTERATION HAS THE FOLLOWING AFFECT ON THE WEIGHT AND BALANCE OF THE AIRPLANE: REMOVE LBS AT STA 340. REMOVE 9.5 LBS AT STA ELECTRICAL LOAD SUMMARY: THIS ALTERATION HAS THE FOLLOWING AFFECT ON THE ELECTRICAL LOAD OF THE AIRPLANE. REMOVE 7.6 AMPS FROM THE 28VDC ELEX BUS-1 THIS INSTALLATION DOES NOT EXCEED THE ELECTRICAL CAPACITY OF THE AIRPLANE AND, THEREFORE, COMPLIES WITH THE REQUIREMENTS OF FAR (e) REVISION INFORMATION: 11.0 CONTINUED AIRWORTHINESS: THE CONTINUED AIRWORTHINESS THAT WAS PUBLISHED FOR THIS SYSTEM IS AFFECTED THIS ACTION AND REMOVED.

3 Page 3 of 6 NOTE: EQUIVALENT PARTS MAY BE SUBSTITUTED, AS NECESSARY. MATERIAL LIST QUANTITY PART NUMBER DESCRIPTION PER A/C 1 BACP10UXXXX PANEL, BLANKING GUARD, CIRCUIT BREAKER 5 NN PLACARD, DEACT (LOCAL FAB) PARTS REMOVED A/R VHF COMM TRANSCEIVER, VHF-700B A/R VHF COMM TRANSCEIVER, VHF-700A A/R VHF COMM TRANSCEIVER, VHF PRINTER, PTA-45B ACARS CMU-900

4 Page 4 of 6 WORKSTEPS: PART I: AIRCRAFT WORK 1. REMOVE ELECTRICAL POWER FROM THE AIRCRAFT. TAG TO PREVENT INADVERTENT REAPPLICATION OF POWER. ACCOM CKD 2a. GAIN ACCESS TO THE P18-2 CIRCUIT BREAKER PANEL. PULL AND GUARD THE FOLLOWING CIRCUIT BREAKERS, INSTALL A DEACT PLACARD ADJACENT TO THE BREAKER: 28VDC ELEX BUS-1 C471 (10A) VHF COMM-3 C770 (3A) ACARS PRINTER DC 28VDC HOT BATTERY BUS C743 (1A) ACARS CMU DC 115VAC BUS-1 C744 (2A) ACARS CMU AC C771 (3A) ACARS PRINTER AC 2b. OPEN THE P18-2 CIRCUIT BREAKER PANEL. DISCONNECT, CAP AND STOW THE LOAD WIRES FROM THE FOLLOWING CIRCUIT BREAKERS: (REF THE BOEING SWPM) 28VDC ELEX BUS-1 C471 (10A) VHF COMM-3- W & W C770 (3A) ACARS PRINTER DC- W VDC HOT BATTERY BUS C743 (1A) ACARS CMU DC- W VAC BUS-1 C744 (2A) ACARS CMU AC- W C771 (3A) ACARS PRINTER AC- W a. GAIN ACCESS TO THE E2-1 ELECTRONICS SHELF AND REMOVE THE VHF COMM T/R-3. RECORD THE UNIT INFORMATION AND ROUTE TO THE AIRCRAFT REPS OFFICE FOR DISPOSITION: PART NUMBER SERIAL NUMBER

5 Page 5 of 6 WORKSTEPS: PART I: AIRCRAFT WORK 3b. CAP/COVER THE ELECTRICAL RECEPTACLE AND PLUG/COVER THE TRAY COOLING PLENUM HOLES. INSTALL A DEACT PLACARD AT THE FRONT OF THE TRAY. ACCOM CKD 4a. GAIN ACCESS TO THE E3-4 ELECTRONICS SHELF AND REMOVE THE ACARS CMU. RECORD THE UNIT INFORMATION AND ROUTE TO THE AIRCRAFT REPS OFFICE FOR DISPOSITION: PART NUMBER SERIAL NUMBER 4b. CAP/COVER THE ELECTRICAL RECEPTACLE AND PLUG/COVER THE TRAY COOLING PLENUM HOLES. INSTALL A DEACT PLACARD AT THE FRONT OF THE TRAY. 5a. GAIN ACCESS TO THE P23 PANEL IN THE COCKPIT AND REMOVE THE ACARS PRINTER. RECORD THE UNIT INFORMATION AND ROUTE TO THE AIRCRAFT REPS OFFICE FOR DISPOSITION: PART NUMBER SERIAL NUMBER 5b. CAP AND STOW THE PRINTER PLUG. TAG AS ACARS PRINTER. INSTALL A BLANK COVER PANEL.

6 Page 6 of 6 WORKSTEPS: PART I: AIRCRAFT WORK 6a. VERIFY THAT FMC-1 D2179B, PIN A10 IS NOT CONNECTED TO GROUND. DISCONNECT, CAP, STOW IF NECESSARY. (ACARS NOT INSTALLED) ACCOM CKD 6b. IF INSTALLED, VERIFY THAT FMC-2 D3261B, PIN A10 IS NOT CONNECTED TO GROUND. DISCONNECT, CAP, STOW IF NECESSARY. (ACARS NOT INSTALLED) 6c. DRESS AND/OR TIE THE NEW OR REWORKED WIRING. 7. IF REMOVED, REINSTALL THE E1-2 ELECTRONIC SHELF AND CONNECT ALL THE SHELF DISCONNECT PLUGS. REINSTALL ANY ELECTRONIC LINE REPLACEABLE UNITS (LRU) PREVIOUSLY REMOVED FROM THE E1-2 ELECTRONIC SHELF. 8. CHECK ALL AREAS FOR CONDITION AND SECURITY. 9. CLOSE ALL AREAS AND RETURN THE AIRCRAFT TO NORMAL OPERATING CONDITIONS. 10. MAKE THE APPROPRIATE ENTRY ON FAA FORM 337 AND/OR IN THE AIRCRAFT LOGBOOK THAT THIS MOD ORDER HAS BEEN ACCOMPLISHED.