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Turbine Overhaul Services Pte. Ltd.
No. 5 Tuas Drive 2
Singapore 638639
Tel: (65) 6862-1001 / Fax : (65) 6862-1068
Reg. 200006250H
P&W Proprietary Data
This document does not contain any export regulated technical data
To whom it may concern,
I would like to acknowledge the excellent work that Ms. Yap Jia Xin has shown as an intern in my
company, Turbine Overhaul Services Pte. Ltd. from 6th September 2016 to the 14th of October 2016.
Ms. Yap has been extremely helpful during her attachment to my Operations Business Unit. She has
not only shown great enthusiasm but demonstrated a good attitude in learning the board spectrum
of operations and engineering work that was assigned to her. She has been able to work very closely
with my team of engineers and associates responsible for the maintenance, repair and overhaul of
various commercial aircraft engines high pressure turbine vanes. In addition, Ms. Yap has also
participated in our Value Stream Mapping Event, which looks into ways of improving the overhaul
process efficiency in accordance with the stringent requirements specified by Pratt & Whitney and
the aviation regulatory.
One of the most significant contributions during her internship was assisting a process verification
project involving the use of Lean Operations principles such as Takt Time analysis, Process Matrix,
Time Observations and Capacity Analysis. With her assistance, the team was able to generate the
Standard Work Combination Sheet, Operator/Operations Bar Chart as well as the Spaghetti Chart of
the high pressure turbine vanes.
I am confident that with Ms. Yap’s keen learning attitude, strong analytical acumen and exceptional
problem solving skills, she will definitely be able to make a constructive contribution in her future
career.
Sincerely,
Marcus Heng
Senior Cell Leader, Operations Leadership Associate
Pratt & Whitney
A United Technologies Company

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TOS_Reference Letter_YAPJIAXIN

  • 1. Turbine Overhaul Services Pte. Ltd. No. 5 Tuas Drive 2 Singapore 638639 Tel: (65) 6862-1001 / Fax : (65) 6862-1068 Reg. 200006250H P&W Proprietary Data This document does not contain any export regulated technical data To whom it may concern, I would like to acknowledge the excellent work that Ms. Yap Jia Xin has shown as an intern in my company, Turbine Overhaul Services Pte. Ltd. from 6th September 2016 to the 14th of October 2016. Ms. Yap has been extremely helpful during her attachment to my Operations Business Unit. She has not only shown great enthusiasm but demonstrated a good attitude in learning the board spectrum of operations and engineering work that was assigned to her. She has been able to work very closely with my team of engineers and associates responsible for the maintenance, repair and overhaul of various commercial aircraft engines high pressure turbine vanes. In addition, Ms. Yap has also participated in our Value Stream Mapping Event, which looks into ways of improving the overhaul process efficiency in accordance with the stringent requirements specified by Pratt & Whitney and the aviation regulatory. One of the most significant contributions during her internship was assisting a process verification project involving the use of Lean Operations principles such as Takt Time analysis, Process Matrix, Time Observations and Capacity Analysis. With her assistance, the team was able to generate the Standard Work Combination Sheet, Operator/Operations Bar Chart as well as the Spaghetti Chart of the high pressure turbine vanes. I am confident that with Ms. Yap’s keen learning attitude, strong analytical acumen and exceptional problem solving skills, she will definitely be able to make a constructive contribution in her future career. Sincerely, Marcus Heng Senior Cell Leader, Operations Leadership Associate Pratt & Whitney A United Technologies Company