What was found
EN ROUTE FROM BTV TO EWR, CREW REPORTED THAT WHILE CLIMBING THRU 18,000 FEET CABIN PRESSURE WARNING LIGHT CAME ON. CREW DONNED OXYGEN MASKS, NOTIFIED ATC AND STARTED DESCENT TO 10,000 FEET. CAPTAIN RESET PRESSURIZATION SYSTEM AND SYSTEM STARTED WORKING AGAIN. CREW STARTED CLIMB AGAIN AND CONTINUED TO EWR WITHOUT INCIDENT. UPON LANDING MAINTENANCE CHECKED THE CABIN PRESSURIZATION SYSTEM PER BOMBA AMM AND OPS CHECKED GOOD. AIRCRAFT IS GOOD FOR SERVICE.