Narrative:

Our company mechanics in ZZZ discovered that one of the nose tires was installed incorrectly after it was replaced by [contract maintenance] mechanics in ZZZ1. The [contract maintenance] mechanic installed the tire with the chine [flared sidewall] facing inboard. This was not discovered by the mechanic's supervisor either.my captain and I did not notice the incorrect installation during our preflight inspection and flew to ZZZ2. No abnormal indication noticed on takeoff or landing. We then flew another leg to ZZZ; where our mechanic discovered it. Again; no abnormal indication noticed on takeoff or landing. We (the flight crew) were notified the following day of the situation by the director of maintenance (dom). Makes sure nose tires are installed with the chine facing outward. Double and triple check.

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Original NASA ASRS Text

Title: A First Officer reports a company Mechanic had noticed one of their BAE-125-800XP aircraft nose tires had been replaced with the tire chine (flared sidewall) facing inboard. Tire had been replaced recently by a Repair Station Contract Maintenance Mechanic.

Narrative: Our company mechanics in ZZZ discovered that one of the nose tires was installed incorrectly after it was replaced by [Contract Maintenance] mechanics in ZZZ1. The [Contract Maintenance] Mechanic installed the tire with the chine [flared sidewall] facing inboard. This was not discovered by the Mechanic's Supervisor either.My Captain and I did not notice the incorrect installation during our preflight inspection and flew to ZZZ2. No abnormal indication noticed on takeoff or landing. We then flew another leg to ZZZ; where our Mechanic discovered it. Again; no abnormal indication noticed on takeoff or landing. We (the flight crew) were notified the following day of the situation by the Director of Maintenance (DOM). Makes sure nose tires are installed with the chine facing outward. Double and triple check.

Data retrieved from NASA's ASRS site as of April 2012 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.