SF340B captain reported being advised just before departure that the aircraft was being grounded to ...

Narrative:

Operating part 121 supplemental charter flight. While performing preflight paperwork with passengers on board 10 minutes prior to scheduled departure time; I received a phone call from dispatch advising me not to depart due to the aircraft being under maintenance. Unbeknown to myself and my crew; I was advised that the maintenance director grounded the aircraft due to a discrepancy related to the windshield installed in the flight deck. No entry was found documented in the current aircraft logbook regarding prior maintenance performed on the windshield.two [part] 121 revenue flights were completed this flight day prior to being notified of a discrepancy with the aircraft.passengers were deplaned and the aircraft was swapped with one located at remote parking.

Original NASA ASRS Text

Title: SF340B Captain reported being advised just before departure that the aircraft was being grounded to a maintenance issue related to a cockpit window. Reporter stated the aircraft logbook did not reflect the discrepancy and the aircraft had already operated two flights earlier in the day.

Narrative: Operating Part 121 Supplemental charter flight. While performing preflight paperwork with passengers on board 10 minutes prior to scheduled departure time; I received a phone call from Dispatch advising me not to depart due to the aircraft being under maintenance. Unbeknown to myself and my crew; I was advised that the Maintenance Director grounded the aircraft due to a discrepancy related to the windshield installed in the flight deck. No entry was found documented in the current aircraft logbook regarding prior maintenance performed on the windshield.Two [Part] 121 revenue flights were completed this flight day prior to being notified of a discrepancy with the aircraft.Passengers were deplaned and the aircraft was swapped with one located at remote parking.

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.

Attributes
ACN	1595459
Time
Date	201811
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	SF 340B
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Component
Aircraft Component	Cockpit Window
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy

SF340B captain reported being advised just before departure that the aircraft was being grounded to a maintenance issue related to a cockpit window. Reporter stated the aircraft logbook did not reflect the discrepancy and the aircraft had already operated two flights earlier in the day.