Asset Management Solutions
Sales in the Asset Management Solutions segment increased $15.6 million or 18.2%, to $101.1 million for the six months ended June 30, 2024, due to a $27.1 million, or 55.7%, increase in revenue from Engines; offset by a $11.5 million, or 31.1%, decrease in revenue from Aircraft. The increase in Engines revenue is primarily attributable to increased activity in the CFM56 and V2500 product lines as a result of higher Flight Equipment sales in the amount of $19.9 million, and higher USM sales. The decrease in Aircraft revenue is primarily attributable to decreased activity in the B757 product line due to lower Flight Equipment sales in the amount of $8.9 million due to softer demand in the freighter market, and lower leasing revenue of $1.9 million, partially offset by higher USM sales activity.
Cost of sales in Asset Management Solutions increased $7.0 million, or 12.4%, to $63.0 million for the six months ended June 30, 2024, compared to the prior year period. The increase in cost of sales was primarily driven by the sales increase discussed above. Gross profit in the Asset Management Solutions segment increased $8.6 million to $38.0 million, or 29.2%, for the six months ended June 30, 2024, compared to the six months ended June 30, 2023. The gross profit increase is mainly attributable to the higher revenue generated for the six months ended June 30, 2024, as noted above.
Aircraft gross profit margin increased to 32.5% for the six months ended June 30, 2024, from 27.6% for the six months ended June 30, 2023, due to higher margin on Flight Equipment sales. Engine gross profit margin was 39.4% for the six months ended June 30, 2024, a slight decrease from 39.5% for the six months ended June 30, 2023, which was primarily due to changes in the USM product mix.
TechOps
Our revenue from TechOps increased by $4.5 million, or 7.2%, to $66.6 million for the six months ended June 30, 2024, compared to the prior year period. The increase was primarily driven by higher MRO product sales.
Cost of sales in TechOps increased $7.1 million, or 15.1%, to $54.1 million for the six months ended June 30, 2024, compared to the prior year period, driven by higher revenues discussed above. Gross profit in TechOps decreased $2.6 million, or 17.3% for the six months ended June 30, 2024, compared to the six months ended June 30, 2023, driven by lower profit generated on MRO services. Gross profit margin decreased to 18.8% for the six months ended June 30, 2024 compared to 24.3% for the six months ended June 30, 2023, and was largely attributable to lower margins on MRO services of 17.1% for the six months ended June 30, 2024, compared to 23.7% during the six months ended June 30, 2023.
Selling, General and Administrative Expenses
Selling, general and administrative expenses decreased $4.6 million, or 8.8% to $47.7 million for the six months ended June 30, 2024, compared to the prior year period. The decrease was primarily related to lower share-based compensation and payroll costs.
Change in Fair Value of Warrant Liability
We account for our private warrants as a liability at their fair value, with changes in fair value recognized in our results from operations for the period. The fair value of our private warrants is determined using a Black Scholes option pricing model. For the six months ended June 30, 2024, we recorded a change in fair value of the warrant liability income of $2.1 million, compared to a $1.1 million income in the prior year period.
Interest (Expense) Income, Net
Interest expense, net was $2.5 million for the six months ended June 30, 2024, compared to $1.4 million interest income, net for the six months ended June 30, 2023. This was primarily related to interest expense incurred on borrowings under our debt facilities during the current year period, compared to interest earned on our excess cash in the prior year period.