The phrase "on a first pass" is correct and usable in written English.
It is typically used to refer to an initial review or examination of something before a more detailed analysis.
Example: "On a first pass, the report seems to cover all the necessary points, but I will need to read it more thoroughly."
Alternatives: "at first glance" or "upon initial review".
On a first pass, at least, she didn't find much.
Here's what we get on a first pass: Kind of looks like job losses everywhere, doesn't it?
This seems to be a plausible explanation on a first pass.
On a first pass, we selected 2 × 65 test areas - for the maize and oilseed rape cropping area each - which were inspected visually on aerial photographs to check if they met the requirements (i.e. <20% forests and settlement areas).
Using this figure shows us that the traders' average Sharpe of 0.70 was higher than the broad market, although on a first pass the difference was not significant (t-test, p = 0.13, two-tailed, n = 53. Figure 2).
The measurable net flux of tritiated water is driven by its own concentration gradient, which on a first pass through a tissue means effectively by its concentration in plasma since the concentration in the much larger volume of the tissue remains very small, i.e. the influx of tritiated water is almost equal to the net flux of tritiated water.
Step 5: You're now ready for a second pass on your beard.
The Nationals held a one-run lead, with Manager Dusty Baker willing to trust Max Scherzer on a third pass through the Dodgers' lineup.
Mr. Rumsfeld described the moments leading up to the collision on April 1 in detail, saying the Chinese F-8 had already swooped close by the EP-3E twice before clipping its leftmost propeller on a third pass.
But on a second pass, we are able to gather not only indirect, secondary meaning but also more information through inference.
Leading the first flight, Olds overflew the primary MiG-21 base at Phúc Yên and was on a second pass when MiGs finally began popping up through the cloud base.
