What was found
DISCREPANCY: AC WAS GROUNDED. REPORTED ON LP390249, ITEM 1: CABIN PRESSURE CLIMB RATE FLUCTUATED BETWEEN -200 AND +1200 FT PER MINUTE ON THE CLIMB. BOTH TEMPERATURE CONTROLLERS FLUCTUATING BETWEEN LOW AND HIGH WITH TEMP ON SYS 1 FLUCTUATING +/- 80 DEGREES. OUTFLOW VALVE CONTINUOUSLY OPENING AND CLOSING. IT STABILIZED AN HOUR AFTER TAKE OFF. MAINTENANCE ACTION: CLEANED AND INSPECTED BOTH AFT DOOR SEALS IAW AMM 52-10-00-220-006-A. DEBRIS REMOVED. A/C OK FOR SERVICE. /END/