Narrative:

I was performing a LS4 leading edge lube on aircraft X. I inadvertently did not install five of the six screws in a leading edge panel I removed to lube slat tracks. The panel remained on the aircraft during flight. Panel was found loose in ZZZ during crew walk around.

Google
 

Original NASA ASRS Text

Title: Maintenance reported that on a B757 when installing the access panel for the leading edge slat tracks the mechanic neglected to install five of the six screws required to secure the panel.

Narrative: I was performing a LS4 leading edge lube on Aircraft X. I inadvertently did not install five of the six screws in a leading edge panel I removed to lube slat tracks. The panel remained on the aircraft during flight. Panel was found loose in ZZZ during crew walk around.

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.