Narrative:

Reassigned to operate flight to ZZZ1. Walkaround was normal. After pushback the number 2 engine auto shutdown due to an impending hot start. No limits were exceeded and the QRH was followed. Maintenance was contacted and we were towed back to the gate. Maintenance met the aircraft and pointed out that an additional vortex generator had been improperly installed on the number 2 engine cowling. We were then notified that this grounded the aircraft. We deplaned the passengers and turned the aircraft over to maintenance.

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Original NASA ASRS Text

Title: B737 flight crew reported that after an engine auto shutdown Maintenance took the aircraft out of service due to a engine nacelle misconfiguration.

Narrative: Reassigned to operate flight to ZZZ1. Walkaround was normal. After pushback the number 2 engine auto shutdown due to an impending hot start. No limits were exceeded and the QRH was followed. Maintenance was contacted and we were towed back to the gate. Maintenance met the aircraft and pointed out that an additional vortex generator had been improperly installed on the number 2 engine cowling. We were then notified that this grounded the aircraft. We deplaned the passengers and turned the aircraft over to Maintenance.

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.