Narrative:

Aircraft X was in for hmv/D-check. Reinstallation of r-hand aileron. A dust seal was found not installed after aircraft was released for service. Aircraft flew several legs. This seal is not usually removed.

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Original NASA ASRS Text

Title: A B737-300 WAS RELEASED FOR SVC AND OPERATED IN NON COMPLIANCE WITH THE R AILERON DUST SEAL NOT INSTALLED.

Narrative: ACFT X WAS IN FOR HMV/D-CHK. REINSTALLATION OF R-HAND AILERON. A DUST SEAL WAS FOUND NOT INSTALLED AFTER ACFT WAS RELEASED FOR SVC. ACFT FLEW SEVERAL LEGS. THIS SEAL IS NOT USUALLY REMOVED.

Data retrieved from NASA's ASRS site as of July 2007 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.