Narrative:

I was notified that I apparently flew our aircraft four legs with jack pads installed from a previous maintenance event. The aircraft in question had been in that station for approximately 3 weeks and was located in the hangar when we arrived that morning. After requesting the aircraft be towed out of the hangar; I proceeded to accomplish a review and conduct a day one aircraft inventory. Gear pins were left in and the aircraft was towed out of the hangar and placed on line in front of the FBO. A review of the aircraft log showed numerous write-ups and sign-offs for a myriad of discrepancies; none of which left the impression that the airplane had been jacked up off the ground using the jack-pads. A pre-flight walk around was conducted by the first officer as well as the removal of the gear pins. A pre-departure walk around was completed by me prior to departing. A post flight walk-around; another pre-departure and again another post-flight walk-around was again completed upon arrival at our destination where I was relieved by a captain. The jack-pads were not seen/identified during any of these procedures by any of the crew members that day. I am unaware of when and how the jack-pads were detected. Inadequate pre; post flight walkaround inspections by crew members. I am disappointed and upset at myself for not seeing the jack-pads during my time operating the aircraft. All crew members should complete a more thorough pre; post flight walkaround. Paying more attention to the less obvious areas of the underside of the aircraft. A maintenance log entry indicating the installation of the jack-pads and subsequent sign-off would help prevent this situation from occurring again in the future.

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Original NASA ASRS Text

Title: Challenger 300 flight crew reported flying four legs with jack pads still attached from previous maintenance.

Narrative: I was notified that I apparently flew our aircraft four legs with jack pads installed from a previous maintenance event. The aircraft in question had been in that station for approximately 3 weeks and was located in the hangar when we arrived that morning. After requesting the aircraft be towed out of the hangar; I proceeded to accomplish a review and conduct a day one aircraft inventory. Gear pins were left in and the aircraft was towed out of the hangar and placed on line in front of the FBO. A review of the aircraft log showed numerous write-ups and sign-offs for a myriad of discrepancies; none of which left the impression that the airplane had been jacked up off the ground using the jack-pads. A pre-flight walk around was conducted by the First Officer as well as the removal of the gear pins. A pre-departure walk around was completed by me prior to departing. A post flight walk-around; another pre-departure and again another post-flight walk-around was again completed upon arrival at our destination where I was relieved by a Captain. The jack-pads were not seen/identified during any of these procedures by any of the crew members that day. I am unaware of when and how the jack-pads were detected. Inadequate Pre; Post Flight walkaround inspections by crew members. I am disappointed and upset at myself for not seeing the jack-pads during my time operating the aircraft. All crew members should complete a more thorough Pre; Post Flight Walkaround. Paying more attention to the less obvious areas of the underside of the aircraft. A maintenance log entry indicating the installation of the jack-pads and subsequent sign-off would help prevent this situation from occurring again in the future.

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.