"Timely disposition" is genuinely ambiguous, and that ambiguity is the mechanism. A hard acceleration trigger in a construction note is usually precise: a defined number of days past certificate of occupancy, a specific date, a formula tied to the loan maturity. When the language is loose, like "timely disposition" with no attached definition, it typically functions as a discretionary covenant, meaning the bank cannot call the note automatically, but they can argue a technical default and use that position to force a conversation about terms, a paydown, or an extension fee. Your guy's attorney's read matches how that language tends to operate in practice.
The loan officer going quiet at week three is the signal worth watching. Construction lenders monitor stabilization closely, and when a file gets elevated to credit or special assets, loan officers often stop being the point of contact because they are no longer the decision maker. That does not mean a call is coming, but it usually means the file is being reviewed.
The practical question is what the note's maturity date actually says, because that is the hard deadline underneath all of this. "Timely disposition" may give the bank cover to pressure him now, but the maturity date is when they have unambiguous standing. If maturity is close, the negotiation is urgent. If he has runway, he has more leverage.
One thing worth confirming with his attorney: whether the note has a cure period attached to any covenant default. If a cure right exists, "timely disposition" becomes even more of a pressure tool, since the bank would have to notice the default and allow a cure before any acceleration could stand.
I want to be clear that I can describe how this language commonly functions. The specific enforceability in Georgia under his note's exact terms is a question for his attorney, who can read the instrument.
What does his maturity date look like relative to today?