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Commercial Airplane Group 777 Service Bulletin Number: 777-23-0141 SummaryDate: June 14, 2001 ATA System: 2339 SUBJECT: COMMUNICATIONS - Cabin Management System - Software Changes
CONCURRENT REQUIREMENTS For all airplanes except WB077 and WB078, you cannot make the changes given in this service bulletin unless the changes given in Boeing Service Bulletin 777-23-0143 are made. The changes given in Boeing Service Bulletin 777-23-0143 were made on airplanes WB077 and WB078 before delivery.
BACKGROUND This service bulletin gives instructions to change the operational program software (OPS) for the cabin system control panel (CSCP), the cabin area control panel (CACP), and the cabin system management unit (CSMU). The new software will prevent the seat power control buttons on the CSCP and CACP from becoming disabled during loadshed conditions.
The new software will also shut off the fluorescent backlights for the CACP and CSCP touchscreens while the screen saver is active to increase lamp life.
A panel with the new software will make a "beep" sound when the panel comes out of screen saver mode.
An operator reported that, during a partial loadshed condition, they were unable to turn off power to the seats. During loadshed conditions, the electrical load management system (ELMS) controls power to the seats and the seat power control buttons on the CSCP and CACP are disabled. As a result, the power to the seats cannot be controlled by the operator. The new software changes the cabin management system to enable the seat power control buttons during loadshed conditions.
ACTION (PRR 61877-1) At the CSCP, remove the old CSCP, CACP and CSMU operational program software (OPS) from the CSCP mass storage. Install new OPS to the CSCP mass storage and to the CSCP, CACPs and CSMU.
Reinstall the configuration database. Do a configuration check to make sure the correct OPS and configuration database are installed.
EFFECTIVITY Operator Airplanes ANA WA131-WA137 BAB WA076-WA080, WB001-WB015 CAT WA101-WA104 EAD WA196-WA198, WB101-WB104 GUN WA116-WA119, WB121-WB125 JAL WA171-WA175 JAS WA206-WA209 KAL WB131-WB132 TII WA086-WA093 UAL WA002-WA017, WA261-WA266, WB051-WB078
COMPLIANCE No compliance time is given.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for airplanes in warranty as of June 23, 2000. Please refer to Paragraph 2.B., Industry Support Information.
MANPOWER Total Elapsed Time Man-Hours (Hours)
2.75 2.75
MATERIAL INFORMATION Boeing Supplied Parts Refer to Paragraph 2.A., Material - Price and Availability.
777-23-0141 Summary Page 1 of 2
BOEING SERVICE BULLETIN 777-23-0141 (LOCATION OF CSCP MAY BE DIFFERENT THAN SHOWN) CABIN SYSTEM MANAGEMENT UNIT (CSMU).
CABIN AREA CONTROL PANEL (CACP) AND THE
INSTALL NEW SOFTWARE FOR THE CSCP, THE
AT THE CABIN SYSTEM CONTROL PANEL (CSCP), V52196 June 14, 2001 777-23-0141 Summary Page 2 of 2
Commercial Airplane Group 777 Service Bulletin Number: 777-23-0141 Date: June 14, 2001 ATA System: 2339 SUBJECT: COMMUNICATIONS - Cabin Management System - Software Changes
1. 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 PRR61877-1 for data about this change.
Airplane Models:
777-200
IDENTIFICATION BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABLE NUMBER
ALL NIPPON AIRWAYS (ANA) WA131-WA137
BRITISH AIRWAYS (BAB) WA076-WA080 WB001-WB015
CATHAY PACIFIC AIRWAYS (CAT) WA101-WA104
CHINA SOUTHERN AIRLINES (GUN) WA116-WA119 WB121-WB125
EMIRATES (EAD) WA196-WA198 WB101-WB104
JAPAN AIR SYSTEM (JAS) WA206-WA209
JAPAN AIRLINES (JAL) WA171-WA175
KOREAN AIR (KAL) WB131-WB132
THAI AIRWAYS INTERNATIONAL (TII) WA086-WA093 June 14, 2001 777-23-0141 Page 1 of 9
BOEING SERVICE BULLETIN 777-23-0141
UNITED AIRLINES (UAL) WA002-WA017 WA261-WA266 WB051-WB078
IDENTIFICATION BY VARIABLE NUMBER WA002-WA017 WA076-WA080 WA086-WA093 WA101-WA104 WA116-WA119 WA131-WA137 WA171-WA175 WA196-WA198 WA206-WA209 WA261-WA266 WB001-WB015 WB051-WB078 WB101-WB104 WB121-WB125 WB131-WB132
2. Spares Affected None June 14, 2001 777-23-0141 2
BOEING SERVICE BULLETIN 777-23-0141 B. Concurrent Requirements For all airplanes except WB077 and WB078, you cannot make the changes given in this service bulletin unless the changes given in Boeing Service Bulletin 777-23-0143 are made. The changes given in Boeing Service Bulletin 777-23-0143 were made on airplanes WB077 and WB078 before delivery.
C. Reason This service bulletin gives instructions to change the operational program software (OPS) for the cabin system control panel (CSCP), the cabin area control panel (CACP), and the cabin system management unit (CSMU). The new software will prevent the seat power control buttons on the CSCP and CACP from becoming disabled during loadshed conditions. The new software will also shut off the fluorescent backlights for the CACP and CSCP touchscreens while the screen saver is active to increase lamp life. A panel with the new software will make a "beep" sound when the panel comes out of screen saver mode.
An operator reported that, during a partial loadshed condition, they were unable to turn off power to the seats. During loadshed conditions, the electrical load management system (ELMS) controls power to the seats and the seat power control buttons on the CSCP and CACP are disabled. As a result, the power to the seats cannot be controlled by the operator. The new software changes the cabin management system to enable the seat power control buttons during loadshed conditions.
D. Description At the CSCP, remove the old CSCP, CACP and CSMU operational program software (OPS) from the CSCP mass storage. Install new OPS to the CSCP mass storage and to the CSCP, CACPs and CSMU. Reinstall the configuration database. Do a configuration check to make sure the correct OPS and configuration database are installed.
An evaluation form is attached to this service bulletin. Please use this form to tell us what you think of the quality of this service bulletin.
E. Compliance No compliance time is given.
F. Approval NOTE: Joint Airworthiness Requirements (JAR) compliance status may be found in the Service Bulletin Index, Part 1.
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. This service bulletin and the FAA approval were based on the airplane in its original Boeing delivery configuration or as modified by other FAA approved Boeing changes.
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.
June 14, 2001 777-23-0141 3
BOEING SERVICE BULLETIN 777-23-0141 G. Manpower The table below shows an estimate of the man-hours 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.
Task Number of Persons Man-Hours Elapsed Time (Hours) Change 1 2.5 2.5 Test 1 0.25 0.25 TOTAL FOR EACH AIRPLANE 2.75 2.75 H. Weight and Balance Changes None I. Electrical Load Data Not changed J. References
1. Existing Data:
a. Engineering Change Memo PRR 61877-1
b. 777 Maintenance Manual (AMM) Subject 23-39-00/201
c. Boeing Service Bulletin 777-23-0143, "COMMUNICATIONS - Cabin Management System - Cabin System Control Panel And Cabin Area Control Panel Replacement"
2. Data supplied with this service bulletin:
None
3. Installation Drawings Used in the Preparation of This Service Bulletin:
None K. Publications Changed Publication Chapter-Section 777 Illustrated Parts Catalog 46-00 June 14, 2001 777-23-0141 4
BOEING SERVICE BULLETIN 777-23-0141 L. Interchangeability and Intermixability of Parts Refer to Paragraph 2.E., Existing Parts Accountability, for interchangeability and intermixability information.
June 14, 2001 777-23-0141 5
BOEING SERVICE BULLETIN 777-23-0141
BLANK PAGE June 14, 2001 777-23-0141 6
BOEING SERVICE BULLETIN 777-23-0141
2. MATERIAL INFORMATION A. Material - Price and Availability Boeing can supply the parts shown in Paragraph 2.C., Parts Necessary For Each Airplane as shown below. Part availability is shown in the Reorder Lead Time (ROLT). ROLT is calculated from the date Boeing gets the purchase order.
ROLT Unit Price thru Part Number Name (weeks) Oct 31/01 285W0295-6 CSCP OPS Disk Set 8.5 $150.00 285W0298-5 CACP OPS Disk Set 8.5 $150.00 285W0292-3 CSMU OPS Disk Set 8.5 $150.00 The parts 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.
B. Industry Support Information Boeing warranty remedies are available for 777 airplanes in warranty as of June 23, 2000. For man-hour reimbursement for airplanes in warranty as of that date, send a warranty claim to Boeing Product Assurance Contracts. The parts for airplanes in warranty as of that date will be supplied at no charge. Send a purchase order for the parts to Boeing Spares. Please refer to this service bulletin number and reference the airplane variable number in your purchase order.
C. Parts Necessary For Each Airplane
1. Parts:
To get the parts shown below, refer to Paragraph 2.A., Material - Price and Availability.
QTY Part Number Name 1 285W0295-6 CSCP OPS Disk Set (Contains software part number 2373-BCE-011-06) 1 285W0298-5 CACP OPS Disk Set (Contains software part number 2319-BCE-00Y-05) 1 285W0292-3 CSMU OPS Disk Set (Contains software part number 2375-BCE-012-03)
2. Parts and Materials Supplied by the Operator:
None D. Parts Necessary to Change Spares None June 14, 2001 777-23-0141 7
BOEING SERVICE BULLETIN 777-23-0141 E. Existing Parts Accountability The parts shown below are changed as shown in this service bulletin. Quantity (QTY) is the number of parts changed on each airplane.
Existing Part Number RUC Name QTY New Part Number PNC RC 285W0295-4 DIS CSCP OPS Disk Set 1 285W0295-6 S A 285W0298-3 DIS CACP OPS Disk Set 1 285W0298-5 S A 285W0292-2 DIS CSMU OPS Disk Set 1 285W0292-3 S A RUC Recommended Use Code DIS - Discard the part.
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.
- This part is used in production.
RC Replacement Code A - Do not use the existing part to replace the new or changed part.
F. Special Tooling - Price and Availability None G. Special Tooling Necessary to do this Service Bulletin 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 1.J., References, can be necessary. Examine operator tool supply to make sure all necessary tools are available.
June 14, 2001 777-23-0141 8
BOEING SERVICE BULLETIN 777-23-0141
3. ACCOMPLISHMENT INSTRUCTIONS
GENERAL NOTES
1. The paragraphs identified with a letter give the general work instructions and the necessary tests.
2. Obey all of the warnings and cautions given in the specified manual sections.
WORK INSTRUCTIONS A. Remove the old CSCP, CACP and CSMU operational program software (OPS), as shown in TABLE 1, from the CSCP mass storage. Refer to AMM 777 23-39-00/201, Operational Program Software Removal from the CSCP Mass Storage.
TABLE 1 Component Software Part Number CSCP 2371-BCE-011-04 CACP 231F-BCE-00Y-03 CSMU 2374-BCE-012-02 B. Install the new CSCP, CACP and CSMU OPS, as shown in TABLE 2, into the CSCP mass storage. Refer to AMM 777 23-39-00/201, Phase I Data Installation From the CSCP Disk Drive to the CSCP Mass Storage.
TABLE 2 Component Disk Set Part Number Software Part Number CSCP 285W0295-6 2373-BCE-011-06 CACP 285W0298-5 2319-BCE-00Y-05 CSMU 285W0292-3 2375-BCE-012-03 C. Install the new OPS, as shown in TABLE 2, to the CSCP, CACP and CSMU. Refer to AMM 777 23-39-00/201, Operational Program Software Installation (Phase II).
D. Reinstall the configuration database. Refer to AMM 777 23-39-00/201, Configuration Database Installation.
NOTE: The new OPS in TABLE 2 do not require changes to the configuration database.
E. From the CSCP, do the Operational Program Software and Configuration Database Verification Test as given in AMM 777 23-39-00/201.
1. Make sure the correct OPS part numbers, as shown in TABLE 2, are shown for the CSCP, CACP and CSMU.
2. Make sure the correct configuration database part number is installed.
F. Put the airplane back to a serviceable condition.
June 14, 2001 777-23-0141 9
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