Narrative:

I received a call from the regional aviation director and the regional maintenance director. They informed me of an incident in which I was involved concerning maintenance that had been performed; without my knowledge; on an aircraft that I had flown and was not properly documented in the maintenance log. [A few days prior] I arrived at our base maintenance hangar; mle. I performed preflight checks on aircraft to include checking the maintenance log. The maintenance log was properly filled out; to include two write-ups dated [same day]; both were signed off per company standards. I proceeded to pull the aircraft out of the hangar and returned to our base helipad. I departed at xa:38 and landed at xa:48 without incident. No other flights were conducted during the remainder of my shift; which ended at xj:00 [the next day]. I understand that the aircraft was taken out of service [the next day]; after information that improper maintenance had been conducted on aircraft. Proper maintenance was then performed and the aircraft was returned to service the same day.

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Original NASA ASRS Text

Title: EC-130 Pilot reported undocumented maintenance was performed on the aircraft he flew.

Narrative: I received a call from the Regional Aviation Director and the Regional Maintenance Director. They informed me of an incident in which I was involved concerning maintenance that had been performed; without my knowledge; on an aircraft that I had flown and was not properly documented in the maintenance log. [A few days prior] I arrived at our base maintenance hangar; MLE. I performed preflight checks on aircraft to include checking the maintenance log. The maintenance log was properly filled out; to include two write-ups dated [same day]; both were signed off per Company standards. I proceeded to pull the aircraft out of the hangar and returned to our base helipad. I departed at XA:38 and landed at XA:48 without incident. No other flights were conducted during the remainder of my shift; which ended at XJ:00 [the next day]. I understand that the aircraft was taken out of service [the next day]; after information that improper maintenance had been conducted on aircraft. Proper maintenance was then performed and the aircraft was returned to service the same day.

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.