Learjet 40/45 Evolved Maintenance Program Details Savings for

Learjet 40/45 Evolved Maintenance Program
Details Savings for: 600 Flight Hours per Year
December 17, 2013
Learjet 40/45 Evolved Maintenance Program
Overview
The evolution of the Learjet 40/45 scheduled maintenance program began in support of creating a world class
maintenance program for the Learjet 70/75. The target for the Learjet 70/75 was to reduce the DMC from the
Learjet 40/45 by 15% by revamping the scheduled maintenance program. The maintenance program was to be
introduced on a revolutionized web based platform called eINSPECTOR. Learjet 40/45 data was collected and
analyzed alongside of the redesigned and upgraded systems specific to the Learjet 70/75. The evolution process
produced better than expected results by reducing the DMC for scheduled maintenance by 46%. The Learjet
70/75 initiative branched out to revamp the Learjet 40/45 maintenance program. The same savings and platform
are now offered to Learjet 40/45 operators. The Learjet 40/45 Evolved Maintenance Program offers customers on
average $130 per flight hour DMC reduction, 245 days of increased dispatch availability over the life of the
aircraft, and 46% reduction in labor for scheduled maintenance. These benefits are packaged in a convenient
online web-based platform branded eINSPECTOR to offer our customers the added convenience of planning and
scheduling.
Details
The Evolved Maintenance Program (EMP) task count compares to the Standard Maintenance Program as
follows:
Standard
Program
Current Task
Count
300 Hr
12 Month
600 Hr
24 Month
1200 Hr
48 Month
62
67
71
2400 Hr
96 Month
4800 Hr
54
9600 Hr
67
78
Other
132
Evolved
Program
Servicing
12 Month
600 Hr
36 Month
1200 Hr
72 Month
2400 Hr
108 Month
4800 Hr
10000 Hr
Other
Zonal
New Task
Count
36
24
40
14
8
74
224
8
December 17, 2013
Learjet 40/45 Evolved Maintenance Program
Aircraft maintenance is expensive. For the average operator, it accounts for approximately 25% of the total
operating cost. Furthermore, this does not take into account any lost revenue from maintenance down days or the
daily fixed costs incurred regardless of whether or not the aircraft flies. In today’s global economy it is no surprise
that customers are paying close attention to maintenance and operating costs instead of just the sticker price.
A common phrase says that 50% of maintenance is caused by 50% of maintenance. Reducing touch time on the
aircraft prevents additional maintenance events by reducing the wear and tear on the aircraft.
Savings
The aircraft savings were calculated based on an
aircraft at 600 flight hours per year and 60 minute flight
lengths. This aircraft has about 3500 Flight Hours and
is over 11 years old.
The total labor-hour savings over the next 8 years is
calculated at 4194 Man-Hours. This savings divided
over the 8 year span reflects an average savings of
524 Labor-Hours per year.
Based on the same criteria the total Days Down Time
is reduced by 131 days. This savings divided over the
8 year span reflects an average savings of over 16
Days Down Time per year.
Days Down Time is calculated by Multiplying the laborhours per flight hour by the average utilization. This
number is divided by 32 derived from two technicians
per shift for two shifts = 1 Day.
The following Calculations show the savings of the Evolved Maintenance Program over a 20 year life of the aircraft..
This aircraft’s savings would fall in the years 12-20.
These calculations include Routine, Non-Routine, Panel Access, and Interior Access times at an average of 600 flight
hours per year with a 60 minute flight length. APU Rates based on a utilization of 0.50 APU hours per flight hour.
Only Labor Hours and Days Down Time were calculated. This does not include Material Cost Savings. All numbers
were rounded to the nearest whole number.
Return on Investment
Based on where this aircraft is in its life-cycle and a labor rate of $112 USD
per labor hour, the average savings is $58,716 per year. At the Service
Bulletin price of $70,000, it would take a little over a year to pay for itself.
The value of aircraft availability can only be determined for each individual
operator. What is the value of over 16 additional days of uptime each year?
The Learjet 45 was analyzed to compare the scheduled maintenance breakdown of the
Standard Maintenance Program to the Evolved Maintenance Program.
Details of this comparison are as follows:
This comparison includes major inspections or servicing checks. It does not include special inspections, replacement items, RVSM inspections or other inspection
requirements issued by ADs, STC’s, Repairs or other aircraft specific requirements.
If you decide to join us in this best in class Scheduled Maintenance Program, please fill out the
attached request form for each aircraft and submit to [email protected] with
Purchase Order information. Please note that the information provided will be used to determine what
scheduled maintenance tasks must be performed to transition your aircraft onto the new program. A
bridging document will be created and provided to you detailing each aircraft’s transition
requirements. Also, all Service Bulletins listed on the request form are not mandatory to transition
onto the new program. This information will assist us in determining the status of the aircraft and
provide opportunities for us to further enhance this program in the future.
BOMBARDIER LEARJET
Maintenance Engineering
[email protected]