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Commercial Airplane Group 777 Service Bulletin Number: 777-23-0010 SummaryDate: April 25, 1996 ATA System: 2339 SUBJECT: COMMUNICATIONS - CABIN MANAGEMENT SYSTEM - SOFTWARE CHANGE
BACKGROUND This change will make the cabin management system (CMS) operate with less problems.
This change will make sure that passenger address (PA) announcements can be heard. The installed speaker drive module (SDM) software can cause some PA announcements to not be heard. The SDM will turn off the digital sound receivers if a chime occurs. The announcement has to be made again after the chime stops. The installed seat electronics unit (SEU) software can also cause some PA announcements to not be heard. The SEU can cause damage to some PA signals to the passenger control units (PCU). The PCU can accept the damaged digital signal as a different signal or reject the signal. The new SDM and SEU software will prevent these problems. New speaker volume adjustments are available in the new configuration data base (CDB). The optional volume adjustments will increase the PA announcement volume for the cabin attendants.
This change will make sure all the passenger cabin functions of the CMS operate. One operator told Boeing that the zone management (ZMU) unit became unserviceable 11 times. The ZMU becomes serviceable when the ZMU power is turned off and then on. The installed cabin system control panel (CSCP) software and the ZMU software can make the ZMU not operate. This will occur if the signals between the ZMU and the CSCP are not synchronized correctly. The ZMU controls cabin lights, passenger signs, reading lights, attendant call lights and the cabin attendant control panels (CACP). These systems can not be changed if the ZMU for that area is not serviceable. The new ZMU and CSCP software will automatically start the ZMU again if the signals are not synchronized correctly.
This change will supply better waste tank indication.
The installed overhead electronics units (OEU) and ZMU software can show the waste tanks empty after servicing. The waste tanks are 1/16 to 1/8 full after servicing. The software can also make the waste tank indication not show new data. This can occur if the waste tank logic control module (LCM) power is turned off momentarily. The new OEU and ZMU software will prevent these problems. A new waste tank chime is available in the new configuration data base. The optional chime will prevent chimes after servicing that are not necessary.
This change will remove failure indications for the OEU that are not necessary. After a CSCP "QUICK TEST" or an "ALL TEST" the OEU can show an internal failure. The failure is shown for OEU's connected to a light ballast. The new OEU software will not cause an internal failure for OEU's connected to a light ballast.
This change will make sure the CSCP display is seen when the CSCP is on. The installed CSCP software can cause the display to not be seen when the CSCP is on. This will occur if the CSCP power is off momentarily. Selections can be made on the CSCP when the display is not seen. The new CSCP software will make sure the display is seen when the CSCP is on.
ACTION (PRR 61596) Remove the installed CSCP. Install a new CSCP.
Make a new CMS configuration database. Install new operating system (OPS) software for the CSCP.
Install new OPS software for the ZMU. Install new OPS software for the passenger address controller (PAC). Install new OPS software for the cabin interphone controller (CIC). Install new OPS software for the CACP. Install new OPS software for the SDM. Install new OPS software for the OEU.
Install new OPS software for the SEU. Install the new configuration database.
BOEING COMMERCIAL AIRPLANE GROUP P.O. BOX 3707 SEATTLE, WASHINGTON 98124-2207 Summary Page 1 of 2
BOEING SERVICE BULLETIN 777-23-0010
COMPLIANCE No compliance time is given.
EFFECTIVITY Operator Airplanes ANA WA131-WA132 BAB WA078-WA080 GUN WA116 UAL WA003, WA005-WA012
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for airplanes in warranty as of July 29, 1995. Please refer to Paragraph I.F., Industry Support Information.
MANPOWER Total Man-hours - 5.5 for each airplane Elapsed Time - 5.5 Hours The change to the CSCP as given in the component service bulletin 285W0011-23-01 is not included.
MATERIAL INFORMATION Boeing Supplied Kits Refer to Paragraph I.H., Material - Price and Availability.
REPLACE THE CSCP
SHROUDFORWARD GALLEY (TYPICAL)
CABIN SYSTEM
CONTROL PANEL (CSCP)
INSTALL NEW CMS
SOFTWARE ON THE CSCP R73150 Apr 25/96 Summary Page 2 of 2
Commercial Airplane Group 777 Service Bulletin Number: 777-23-0010 Date: April 25, 1996 ATA System: 2339 SUBJECT: COMMUNICATIONS - CABIN MANAGEMENT SYSTEM - SOFTWARE CHANGE I. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index Document D624W001, Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is for the airplanes shown below. An equivalent change is on subsequent production airplanes. Refer to PRR 61596 for data about this change.
IDENTIFICATION BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABLE NUMBER ALL NIPPON AIRWAYS CO. LTD. (ANA) WA131-WA132
BRITISH AIRWAYS (BAB) WA078-WA080
CHINA SOUTHERN AIR GROUP (GUN) WA116 UNITED AIR LINES, INC. (UAL) WA003 WA005-WA012
IDENTIFICATION BY VARIABLE NUMBER WA003 WA005-WA012 WA078-WA080 WA116 WA131-WA132
2. Spares Examine your spares supply for the parts identified in Paragraph II.D., Existing Parts Accountability. If any parts are found, refer to Paragraph II.D., Existing Parts Accountability, for the recommended use.
Apr 25/96 777-23-0010 Page 1 of 30
BOEING SERVICE BULLETIN 777-23-0010 B. Reason This change will make the cabin management system (CMS) operate with less problems.
This change will make sure that passenger address (PA) announcements can be heard. The installed speaker drive module (SDM) software can cause some PA announcements to not be heard.
The SDM will turn off the digital sound receivers if a chime occurs. The announcement has to be made again after the chime stops. The installed seat electronics unit (SEU) software can also cause some PA announcements to not be heard. The SEU can cause damage to some PA signals to the passenger control units (PCU). The PCU can accept the damaged digital signal as a different signal or reject the signal. The new SDM and SEU software will prevent these problems. New speaker volume adjustments are available in the new configuration data base (CDB). The optional volume adjustments will increase the PA announcement volume for the cabin attendants.
This change will make sure all the passenger cabin functions of the CMS operate. One operator told Boeing that the zone management (ZMU) unit became unserviceable 11 times. The ZMU becomes serviceable when the ZMU power is turned off and then on. The installed cabin system control panel (CSCP) software and the ZMU software can make the ZMU not operate. This will occur if the signals between the ZMU and the CSCP are not synchronized correctly. The ZMU controls cabin lights, passenger signs, reading lights, attendant call lights and the cabin attendant control panels (CACP).
These systems can not be changed if the ZMU for that area is not serviceable. The new ZMU and CSCP software will automatically start the ZMU again if the signals are not synchronized correctly.
This change will supply better waste tank indication. The installed overhead electronics units (OEU) and ZMU software can show the waste tanks empty after servicing. The waste tanks are 1/16 to 1/8 full after servicing. The software can also make the waste tank indication not show new data. This can occur if the waste tank logic control module (LCM) power is turned off momentarily. The new OEU and ZMU software will prevent these problems. A new waste tank chime is available in the new configuration data base. The optional chime will prevent chimes after servicing that are not necessary.
This change will remove failure indications for the OEU that are not necessary. After a CSCP "QUICK TEST" or an "ALL TEST" the OEU can show an internal failure. The failure is shown for OEU's connected to a light ballast. The new OEU software will not cause an internal failure for OEU's connected to a light ballast.
This change will make sure the CSCP display is seen when the CSCP is on. The installed CSCP software can cause the display to not be seen when the CSCP is on. This will occur if the CSCP power is off momentarily. Selections can be made on the CSCP when the display is not seen. The new CSCP software will make sure the display is seen when the CSCP is on.
C. Description The installed CSCP is removed. A new CSCP is installed. A new CMS CDB is made. New operating system (OPS) software for the CSCP is installed. New OPS software for the ZMU is installed. New OPS software for the passenger address controller (PAC) is installed. New OPS software for the cabin interphone controller (CIC) is installed. New OPS software for the CACP is installed. New OPS software for the SDM is installed. New OPS software for the OEU is installed.
New OPS software for the SEU is installed. The new CDB is installed.
D. Compliance No compliance time is given.
Apr 25/96 777-23-0010 2
BOEING SERVICE BULLETIN 777-23-0010 E. Approval This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this service bulletin comply with the applicable Federal Aviation Regulations (FAR) and are FAA approved. The changes specified in this service bulletin also comply with the applicable Joint Airworthiness Requirements (JAR) and are FAA approved as delegated by the Joint Aviation Authorities (JAA). This service bulletin and the FAA approval were based on the airplane in its original configuration or as modified by other FAA approved Boeing changes.
Note : Interior arrangements are not evaluated for JAR compliance.
If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this service bulletin.
F. Industry Support Information Boeing warranty remedies are available for 777 airplanes in warranty as of July 29, 1995. For man-hour reimbursement for airplanes in warranty as of that date, send a warranty claim to Boeing Product Assurance Contracts. The kits for airplanes in warranty as of that date will be supplied at no charge. Send a purchase order for the kits to Boeing Spares. Please refer to this service bulletin number and reference the airplane variable number(s) in your purchase order.
G. Manpower Approximately five and one-half man-hours and one person are necessary to do this change for each airplane.
This estimate is for direct labor only, done by an experienced crew. Adjust the estimate with operator man-hour data if necessary. The estimate does not include lost time. These are some examples of lost time:
- Time to adjust to the workplace
- Time to schedule the work
- Time to examine the work
- Time to cure the materials
- Time to make the parts
- Time to find the tools.
H. Material - Price and Availability Boeing can supply the kits shown in Paragraph II.A., Parts Necessary For Each Airplane as shown below. Kit availability is shown in the Reorder Lead Time (ROLT). ROLT is calculated from the date Boeing gets the purchase order.
Kit Number Name ROLT (weeks) Unit Price thru Nov 30/96 005W1030-1 Top Kit, CMS Software 11 $920.00 The kits are subject to the terms and conditions of the Boeing standard purchase order acknowledgment. After the Unit Price date, new price and ROLT data is applicable. Prices are in United States Dollars. Terms: Net 30 days.
Send purchase orders and letters about the supply data to the Director of Spares and refer to this service bulletin number.
Apr 25/96 777-23-0010 3
BOEING SERVICE BULLETIN 777-23-0010 I. Special Tools - Price and Availability None J. Weight and Balance None Apr 25/96 777-23-0010 4
BOEING SERVICE BULLETIN 777-23-0010 K. References
1. Existing Data:
a. Engineering Change Memo PRR 61596
b. 777 Maintenance Manual (AMM) Subject 23-39-00, 23-39-12
c. 777 Configuration Database Generator (CDG) User Manual D634W601-1
d. Boeing Component Service Bulletin 285W0011-23-01, "Communications - Cabin System Control Panel Change"
2. Data supplied with this service bulletin:
None
3. Installation Drawings:
None L. Publications Changed Publication Chapter-Section 777 Maintenance Manual 23-39 777 Illustrated Parts Catalog 23-39 777 Fault Isolation Manual 23-39 M. Electrical Load Data Not changed Apr 25/96 777-23-0010 5
BOEING SERVICE BULLETIN 777-23-0010 II. MATERIAL INFORMATION A. Parts Necessary For Each Airplane
1. Kits:
To get the kit shown below, refer to Paragraph I.H., Material - Price and Availability.
NOTE: One top kit and the items shown in Paragraph II.A.2., Parts and Materials Supplied by the Operator, are necessary for each airplane.
005W1030 TOP KIT - CABIN MANAGEMENT SYSTEM SOFTWARE CHANGE -1 Quantity Part Number Name
- 005W1030-1 Top Kit, CMS Software Change 1 285W0274-3 Disk Set, OEU S/W 1 285W0277-3 Disk Set, SDM S/W 1 285W0280-3 Disk Set, SEU S/W 1 285W0283-3 Disk Set, ZMU S/W 1 285W0289-3 Disk Set, PAC S/W 1 285W0295-3 Disk Set, CSCP S/W 1 285W0298-3 Disk Set, CACP S/W 1 285W0304-3 Disk Set, CDG-03 S/W
2. Parts and Materials Supplied by the Operator:
Quantity Part Number Name 1 222W0015-20 BFE Source Data Disk Set (for airplane WA116 only) 1 222W0015-21 BFE Source Data Disk Set (for airplane WA132 only) B. Parts Necessary to Change Spares None C. Special Tools and Equipment No special tools or equipment are necessary to do the change in this service bulletin. But, maintenance and overhaul tools in the manuals given in Paragraph I.K., References, can be necessary. Examine operator tool supply to make sure all necessary tools are available.
D. Existing Parts Accountability The parts shown below are changed as shown in this service bulletin. Quantity is the number of parts changed on each airplane.
Existing Part Number RUC Name Quantity New Part Number PNC RC 285W0011-2 RWI CSCP 1 285W0011-3 S A Apr 25/96 777-23-0010 6
BOEING SERVICE BULLETIN 777-23-0010 RUC Recommended Use Code RWI - Make the change given in Component Service Bulletin 285W0011-23-01.
PNC Part Number Code S - This is the part number for the new equivalent or replacement part.
- To get a new part, use this part number in your order.
RC Replacement Code A - Do not use the existing part to replace the new or changed part.
Apr 25/96 777-23-0010 7
BOEING SERVICE BULLETIN 777-23-0010
BLANK PAGE Apr 25/96 777-23-0010 8
BOEING SERVICE BULLETIN 777-23-0010 III. ACCOMPLISHMENT INSTRUCTIONS NOTES:
1. The paragraphs identified with a letter give the general work instructions and the necessary tests.
The instructions identified with numbers on the figures give the recommended sequence of steps.
2. Obey all of the warnings and cautions given in the specified manual sections.
A. Make sure that the cabin management system is serviceable.
B. Touch these selections on the CSCP:
1. CABIN MAINTENANCE
2. CABIN TESTS
3. START QUICK TEST
4. CONTINUE TEST C. See that NO FAULTS is shown on the CSCP. If NO FAULTS is not shown, see if the failures can be ignored.
1. SEAT ELECTRONIC UNIT (SEU) X-Y-ZZ HAS AN INTERNAL FAULT, Maintenance Message 23-03610. This failure can be ignored if the seat video displays do not have snow or bars; and, one audio channel at the seats operates.
2. SEAT ELECTRONIC UNIT (SEU) X-Y-ZZ HAS AN RF BUS FAULT, Maintenance Message 23-03664. This failure can be ignored if the seat video displays do not have snow or bars; and, one audio channel at the seats operates.
3. SEAT ELECTRONIC UNIT (SEU) X-Y-ZZ HAS AN RF BUS FAULT, Maintenance Message 23-03665. This failure can be ignored if the seat video displays do not have snow or bars; and, one audio channel at the seats operates.
4. OVERHEAD ELECTRONICS UNIT (OEU) X-Y-ZZ HAS AN INTERNAL FAULT, Maintenance Message 23-03410. This failure can be ignored if the Maintenance Message is caused by a light ballast.
5. CSCP HAS AN INTERNAL AUDIO JACK FAULT, Maintenance Message 23-02940
6. CSCP HAS AN INTERNAL VIDEO PREVIEW FAULT, Maintenance Message 23-02938 Remove all other CMS faults before the next instruction step.
D. Change the CSCP as specified in Figure 1.
E. Install the new CSCP OPS software 2376-BCE-011-03 (disk set 285W0295-3). Refer to the 777 AMM 23-39-00, Data Installation From The CSCP Drive To The CSCP Mass Storage, for the necessary procedures. Do not install or do a verification test of the CSCP database software.
F. Install this new software to the CSCP mass storage. Refer to the 777 AMM 23-39-00, Data Installation From The CSCP Drive To The CSCP Mass Storage, for the necessary procedures.
NOTE: This step is not necessary if the software is installed on the new CSCP.
Apr 25/96 777-23-0010 9
BOEING SERVICE BULLETIN 777-23-0010
1. ZMU OPS, 237F-BCE-018-03 (disk set 285W0283-3)
2. PAC OPS, 2372-BCE-015-03 (disk set 285W0289-3)
3. CIC OPS, 2377-BCE-010-03 (disk set 285W0286-3)
4. CACP OPS, 231F-BCE-00Y-03 (disk set 285W0298-3)
5. SDM OPS, 2370-BCE-017-03 (disk set 285W0277-3)
6. OEU OPS, 2373-BCE-014-03 (disk set 285W0274-3)
7. SEU OPS, 2371-BCE-016-03 (disk set 285W0280-3) G. Install the new OPS software to the necessary units. Refer to the 777 AMM 23-39-00, Operational Program Software Installation, for the necessary procedures. Do not install or do a verification test of the CSCP database software.
NOTES:
1. The CONFIGURATION CHECK procedure can show more components than are installed on the airplane. Install the new software for the installed components only. This occurs because the CDB is not installed.
2. Ignore the failure CSCP Configuration Database is Missing or Failed, Maintenance Message 23-02819.
3. Ignore the failure Configuration Database is Missing or Failed, Maintenance Message 23-0101.
4. Ignore the display "NOTE: NO DATABASE INSTALLED" when software is installed to the CSCP.
5. Ignore the displays "PASSENGER ADDRESS FAIL" and "CABIN INTERPHONE FAIL" when software is installed to the CACP.
H. Install this software to the CSCP mass storage. Refer to the 777 AMM 23-39-00, Data Installation From The CSCP Drive To The CSCP Mass Storage, for the necessary procedures.
NOTE: This step is not necessary if the software is installed on the new CSCP. This software is not changed by this service bulletin.
1. CSMU OPS, 2374-BCE-012-02 (disk set 285W0292-2)
2. EMC OPS, 2375-BCE-013-02 (disk set 285W0301-2) I. Install this vendor software to the CSCP mass storage. Refer to the 777 AMM 23-39-00, Data Installation From The CSCP Drive To The CSCP Mass Storage, for the necessary procedures.
NOTES:
1. This step is not necessary if the software is installed on the new CSCP. This software is not changed by this service bulletin.
2. Other software can be installed on the CSCP. This data provides the software part numbers of the initial airplane configuration.
Apr 25/96 777-23-0010 10