Narrative:

After landing; taxied in to pick up additional passengers. After clearing runway; completed after landing checklists; reselected flaps for 15 degrees; and switch settings to takeoff. After landing and taxing in requested a copilot sic to complete post flight walk around; and secure next clearance while I completed payment for landing charges. Completed before start; and start checklists; and taxied out to line up. Cell call came in from next location ground transport; which did interfere with flow; especially because the sic is low time in make and model! Completed call and re-completed line up items; including verifying trims; fuel; flap setting selected to 15 degrees.during transition between 80 knots and V1/vr; felt that aircraft controls indicated flaps were at more than 15 degrees? I continued the takeoff; achieved adequate speed; and V2 + 10 speed! The after positive rate of climb and before retracting gear and flaps; noted that flap indicator was showing flaps at 45 degrees! I attempted to retract flaps; but they did not retract!we held on any changes to configuration; and announced to tower that we needed an immediate return to runway. We notified tower that we had a flap malfunction! We notified passengers; and landed uneventfully.being an a and P and PIC on the aircraft; I immediately examined flap assemblies found no irregularities! I reset the electrical controllers; bus and restarted engines!during this process I immediately called the [duty manager]; and informed him of what took place! During the call the reset process enabled full operations of the flaps; with visual confirmation; and extension and retraction in all settings 4 times! [Duty manager] was satisfied with the maintenance checks; as well as I and sic were.we reconfigured for takeoff and departed to next airport. Next airport functions all worked; but to be safe I requested that the aircraft be moved to nearby airport for maintenance inspection and remedy of indicator and setting discrepancy.

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Original NASA ASRS Text

Title: HS-125 Captain reported the flaps indicated 45 degrees and they were unable to retract them during takeoff.

Narrative: After landing; taxied in to pick up additional passengers. After clearing runway; completed after landing checklists; reselected flaps for 15 degrees; and switch settings to takeoff. After landing and taxing in requested a Copilot SIC to complete Post Flight Walk Around; and secure next Clearance while I completed payment for landing charges. Completed before start; and start checklists; and taxied out to line up. Cell Call came in from next Location ground transport; which did interfere with flow; especially because the SIC is low time in Make and Model! Completed Call and re-completed Line UP items; including verifying trims; Fuel; Flap Setting selected to 15 degrees.During transition between 80 knots and V1/VR; felt that aircraft controls indicated flaps were at more than 15 degrees? I continued the takeoff; achieved adequate speed; and V2 + 10 speed! The after positive rate of climb and before retracting gear and flaps; noted that Flap indicator was showing flaps at 45 degrees! I attempted to retract flaps; but they did not retract!We Held on ANY changes to configuration; and announced to tower that we needed an immediate return to runway. We notified tower that we had a Flap malfunction! We notified passengers; and landed uneventfully.Being an A and P and PIC on the aircraft; I immediately examined Flap assemblies found no irregularities! I reset the electrical controllers; Bus and restarted engines!During this process I immediately called the [Duty Manager]; and informed him of what took place! During the call the reset process enabled full operations of the flaps; with visual confirmation; and extension and retraction in ALL settings 4 times! [Duty Manager] was satisfied with the maintenance checks; as well as I and SIC were.We reconfigured for takeoff and departed to next airport. Next Airport functions all worked; but to be safe I requested that the aircraft be moved to nearby airport for Maintenance Inspection and Remedy of indicator and setting discrepancy.

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.