MAINTENANCE INTERVAL and EXTENSION PROCEDURE FOR BATTERIES P/N 405CH and 505CH

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F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N°04.99 – Rev.2 1
S.I.L. N° 4.99
MAINTENANCE INTERVAL and EXTENSION PROCEDURE
FOR BATTERIES P/N 405CH and 505CH
REASON
This SIL presents the interval between maintenance and then the conditions, which have
to be respected to allow the increase of the interval between maintenance.
MAINTENANCE INTERVAL DESCRIPTION
Battery P/N 405CH is on board of the Airbus A330 and A340 aircraft.
Battery P/N 505CH is on board of the Airbus A340-500/600 aircraft.
These two batteries have a similar interval between maintenance.
At entry into service of Airbus A330, A340 and A340-500/600 aircraft, the initial interval
between maintenance was:
- Regular check (includes a periodical check) : every 2000 operating hours
- General overhaul : yearly
The first maintenance interval extension, increasing the interval between regular checks to
3000 operating hours, has been authorized following analysis of all data collected from
operators on their fleets.
In the Check chapter of their Component Maintenance Manual, the following maintenance
operations are indicated : Interval between maintenance.
- Regular check (includes a periodical check) : every 3000 operating hours
- General overhaul : yearly
NOTE: according to aircraft operation, the ratio between operating hours (aircraft
Power ON) and flying hours is generally in the 1.2 to 1.8 range for A330 and A340 aircraft
and equal to 1.2 for A340-500/600 aircraft.
MAINTENANCE INTERVAL EXTENSION PROCEDURE
The Airbus operator, which uses the battery P/N 405CH and/or the battery P/N 505CH
may be authorized to extend the interval between regular check beyond 3000 operating
hours if the following procedure and conditions are respected :
1) During a period of one full year the operator must collect on all the requested
data contained in the two attached forms : FORM1 and FORM2.
a) FORM1 : fleet data, global data on fleet (one form per month to be filled)
b) FORM2 : one data-sheet to be filled per battery checked in the battery shop
(must be the reflect of the data written in the log book)
n FORM2 in a month if n checks performed on batteries
F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N°04.99 – Rev.2 2
2) After a period of one year the operator shall submit the complete data set to Saft
for the approval of their request for extension.
BENEFITS
1) longer interval between maintenance then lower Direct Maintenance Cost
2) less handling, lower work load in battery shop, lower spares stock
3) lower administrative cost (planning, report forms release and dispatch)
EFFECTIVITY
Holders of P/N 405CH unit : CMM 24 38 53 CMM on Airbus A330 and/or A340 aircraft
P/N 505CH unit : CMM 24 38 54 CMM on Airbus A340-500/600 aircraft
F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N°04.99 – Rev.2 3
P/N 405CH BATTERY QPA=3 for AIRBUS A330 and A340
MAINTENANCE INTERVAL and EXTENSION PROCEDURE
Maintenance data feedback program FORM 1
Reporting period: Month / YYYY
I. AIRBUS LR fleet data
1. Quantity of aircraft in service
a) A330 aircraft
b) A340 aircraft
2. Total fleet flight hours (FH)
a) A330 fleet flight hours
b) A340 fleet flight hours
3. Total fleet cycles
a) A330 fleet cycles
b) A340 fleet cycles
4. Operating Hours (OH)
(Operating Hours = hours between Power ON including GPU supply duration)
a) A330 Operating Hours
b) A340 Operating Hours
II. P/N 405CH Battery data (removals)
1. Total number of scheduled (S.R.) and unschedulded (U.R.) battery removals
a) A330 schedulded and unschedulded battery
removals
b) A340 schedulded and unschedulded battery
removals
2. Number of unscheduled (U.R.) battery removals
a) A330 unscheduled battery removals
b) A340 unscheduled battery removals
3. Number of CONFIRMED U.R. (due to battery fault confirmed during
maintenance)
a) A330 Confirmed unscheduled battery removals
b) A340 Confirmed unscheduled battery removals
F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N°04-99 – Rev.2 4
P/N 405CH BATTERY QPA=3 for AIRBUS A330 and A340
MAINTENANCE INTERVAL and EXTENSION PROCEDURE
Maintenance data feedback program FORM 2
Reporting period:
Battery shop data Data sheet Month n°:
(with n= number of 405CH battery check during the month)
Data requested in Log book for each battery maintained during the above period:
1. Aircraft type (removed from) A330 A340
2. Battery type
3. Serial Number
4. First Installation date
5. Flight hours since last check
6. Flight cycles since last check
7. Total battery flight hours
8. Date of removal
9. Reason for removal:
a) Scheduled regular check Yes
b) Scheduled general overhaul Yes
c) Unscheduled removal Confirmed Non confirmed
10. Details : Visual aspect comment
11. Capacity data
a) Capacity of the battery at initial discharge
b) Capacity of the battery at final check
c) Minimum cell capacity at final check
12. Voltage data (end of charge voltage of the cells)
a) Voltage mini
b) Voltage average
c) Voltage maxi
13. Distilled water data
a) Average quantity (cc)
b) Maxi quantity (cc)
14. Number of cells replaced due to capacity
due to charge voltage
due to others reasons
F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N° 04.99 – Rev.2 5
P/N 505CH BATTERY QPA=3 for AIRBUS A340-500/600
MAINTENANCE INTERVAL and EXTENSION PROCEDURE
Maintenance data feedback program FORM 1
Reporting period:
I. AIRBUS LR fleet data
1. Quantity of aircraft A340-500/600 in service
2. Total A340-500/600 fleet flight hours (FH)
3. Total A340-500/-600 fleet cycles
4. A340-500/600 Operating Hours (OH)
(Operating Hours = hours between Power ON including GPU supply duration)
II. P/N 505CH Battery data (removals)
1. Total number of A340-500/600 scheduled (S.R.) and unschedulded (U.R) battery
removals
2. Number of A340-500/600 unscheduled (U.R) battery removals
3. Number of A340-500/600 CONFIRMED U.R.
(due to battery fault confirmed during maintenance)
F6177
SERVICE INFORMATION LETTER (S.I.L.)
2005, April 12th SIL N° 04.99 – Rev.2 6
P/N 505CH BATTERY QPA=3 for AIRBUS A340-500/600
MAINTENANCE INTERVAL and EXTENSION PROCEDURE
Maintenance data feedback program FORM 2
Reporting period:
Battery shop data Data sheet Month n°:
(with n= number of 505CH battery check during the month)
Data requested in Log book for each battery maintained during the above period:
1. Aircraft type (removed from) A340-500 A340-600
2. Battery type
3. Serial Number
4. First Installation date
5. Flight hours since last check
6. Flight cycles since last check
7. Total battery flight hours
8. Date of removal
9. Reason for removal:
a) Scheduled regular check Yes
b) Scheduled general overhaul Yes
c) Unscheduled removal Confirmed Non confirmed
10. Details : Visual aspect comment
11. Capacity data
a) Capacity of the battery at initial discharge
b) Capacity of the battery at final check
c) Minimum cell capacity at final check
12. Voltage data (end of charge voltage of the cells)
a) Voltage mini
b) Voltage average
c) Voltage maxi
13. Distilled water data
a) Average quantity (cc)
b) Maxi quantity (cc)
14. Number of cells replaced due to capacity
due to charge voltage
due to others reasons