As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2347 DURING CLIMB AT 10500 FT CABIN LOST PRESSURIZATION FOR 30 SECONDS THEN WORKED NORMALLY. IAS 220K AND OAT -8 DEGREES. SUSPECT FROZEN PROXIMITY SWITCH TEMP. CLEANED AND LUBED SWITCH. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.