Tower controller reported a ground communication issue resulting in a taxiway incursion. Controller ...

Attributes
ACN	1766762
Time
Date	202010
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Tower
State Reference	US
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Route In Use	Visual Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Person 1
Function	Ground Flight Data / Clearance Delivery
Qualification	Air Traffic Control Fully Certified
Experience	Air Traffic Control Time Certified In Pos 1 (yrs) 21
Events
Anomaly	Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Ground Incursion Taxiway

Narrative:

I was working ground 1 & 2; clearance delivery/FD; combined for the covid operations. There were quite a few aircraft taxiing out with arrivals interspersed. When I heard aircraft Y call for pushback; I had three to go behind them; so I spoke to all other aircraft before getting back to them. When I got back to them; I corrected their climb via SID since they were only filed 11;000; and the LOA is initial 10;000. I gave them pushback on a west ok K after the last in line; [behind] a second company aircraft. About this time aircraft X was rolling out to T on runway xx left with gate xx. I was planning a left turn on B to D; then a when they called. A few other calls were done first; then I observed aircraft X taxiing straight in K to a without having called. I told them that was a bad plan since I had aircraft Y with pushback clearance at K and a; and I would have liked to be able to exchange that traffic. I concluded that aircraft Y had not even started to push back; and simply gave aircraft X taxi a for gate xx. I received nothing further from aircraft Y.do not taxi clear [off] the runway further than is necessary; until instructed to do so.

Original NASA ASRS Text

Title: Tower Controller reported a ground communication issue resulting in a taxiway incursion. Controller was working multiple positions including Ground 1 & 2 along with FD/CD.

Narrative: I was working Ground 1 & 2; CD/FD; combined for the COVID operations. There were quite a few aircraft taxiing out with arrivals interspersed. When I heard Aircraft Y call for pushback; I had three to go behind them; so I spoke to all other aircraft before getting back to them. When I got back to them; I corrected their climb via SID since they were only filed 11;000; and the LOA is initial 10;000. I gave them pushback on A west ok K after the last in line; [behind] a second company aircraft. About this time Aircraft X was rolling out to T on Runway XX Left with Gate XX. I was planning a left turn on B to D; then A when they called. A few other calls were done first; then I observed Aircraft X taxiing straight in K to A without having called. I told them that was a bad plan since I had Aircraft Y with pushback clearance at K and A; and I would have liked to be able to exchange that traffic. I concluded that Aircraft Y had not even started to push back; and simply gave Aircraft X taxi A for Gate XX. I received nothing further from Aircraft Y.Do not taxi clear [off] the runway further than is necessary; until instructed to do so.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Tower controller reported a ground communication issue resulting in a taxiway incursion. Controller was working multiple positions including ground 1 & 2 along with FD/clearance delivery.