What was found
WHEN THE LANDING GEAR IS SELECTED UP, THE INTRANSIT LIGHT DOES NOT ILLUMINATE. TESTED TRANSIT LIGHT WHILE GEAR WAS UP AND LIGHT BULB WORKS. REPLACED LANDING GEAR CONTROL UNIT WITH SERVICEABLE UNIT, P/N OFF AND ON: D494-12-001, S/N OFF: 614/091-96, S/N ON: 645/09-97. OPS CKS GOOD. DONE PER SAAB AMM 32-31-05-02 & 32-30-00-05.