What was found
SUDDEN ODOR OCCURRED, CLIMBING FROM 15 TO 20,000 FT DISAPPEARED WITHIN 2 MINUTES PNEUAMATIC IN NATURE NO RE-OCCURRENCE AFTERWARDS, C/W ALLEGIANT WC 21-59-002, CABIN ODOR/SMOKE TROUBLESHOOTING, TYPE 4, NO ODOR PRESENT NO FURTHER MAINTENANCE REQUIRED. ACFT OK FOR SERVICE.