PWI is a full-service Part 145 Repair Station. To receive an overhauled power supply that will be shipped that same day; follow the steps below.

Step 1

Contact Cynthia in our repair department at or call 316-942-2811. Cynthia will need the model number of your power supply as well as a credit card to cover the cost of the replacement.

Step 2

Call before 3 p.m. CST, and PWI will ground ship a completely overhauled power supply for a fixed price. See the price list below for the cost of each power supply.

Step 3

PWI is offering a $200 refund on your non-functioning power supply. Ship your non-functioning unit to PWI within 30 days of your call to receive the refund. This is an optional service and is not required in order to receive an overhauled power supply.

Power Supply Part Number 

  • 6900053-000 or 28S-40CC-4
  • 6900053-001 or 28S-40CC-4A
  • 6900053-010
  • 6900054-003
  • 6900054-004
  • 6900054-031
  • 6900113-003
  • 6900115-000
  • 6900173-000
  • 6900306-000 LED Driver 


Price After refund

  • $1600.00
  • $1600.00
  • $2775.00
  • $1190.00
  • $1050.00
  • $1100.00
  • $805.00
  • $1150.00
  • $1050.00
  • $1250.00


There are some stipulations to qualify for same-day shipping offer:

  • PWI must receive the power supply request before 3pm CST. 
  • PWI only accepts credit cards for this transaction. 
  • Domestic shipping is included in the price of the power supply.
  • International shipping will be added to the cost of the overhauled part.
  • In order to receive the $200 refund, PWI must receive the non-functioning unit within 30 calendar days of the sales invoice. 
  • All overhauled units have a warranty of 12 months.
  • Power supplies will carry form FAA 8130-3 Authorized Release Certificate, Airworthiness Approval tag


Power Supply part # 6900053-003 is obsolete and is superseded by Power Supply part #6900053-010. New power supply part number 6900053-010 is only available for purchase through Textron. The overhauled part is available for purchase through PWI.

Consider upgrading to LEDs as they are a direct replacement for fluorescent lighting and power supplies will no longer be needed.

Click this link for more information on LED lighting.