What was found
SUPPLEMENTAL CABIN ALT WAS 9000' AND CLIMBING AS WE STARTED DESCENT THROUGH FL240. WE BEGAN RAPID DESCENT TO 10,000'. CABIN ALT WAS MAXED AT 11,300' THE BEGAN DESCENDING. C/A-DEFERRED ELECTROPNUEMATIC AND PNEUMATIC OUTFLOW VLVS. M PROCEDURES C/W MEL 21-22 AUTH 030207DMC. PERFORMED FIM T/S 21-31-00-810-808A THRU STEP 9. FOUND AIR LEAKAGE FROM MAIN DOOR UPPER FLAP, NR 1 DUAL TEMP VALVE COUPLING AND CARGO DOOR SEAL. ALL ITEMS HAVE BEEN REPAIRED AS PER AMM 52-18-04, AMM 21-60-01, AND AMM 52-00-04. PERFORMED CABIN LEAKAGE TEST I/A/W AMM 21-31-00-700-808 A/500. LEAKS CHECK OK. MEL RESTORED. RESECURED MAIN DOOR UPPER FLAP SEAL WITH RTV 157 IAW AMM 52-18-04. APPLIED RTV AT 2PM. REMOVED AND REAPPLIED SEALANT BETWEEN BAGGAGE DOOR PROTECTOR STRIP AND ALUMINUM SKIN AS PER AMM 53-31-09. SEALANT APPLIED AT 9:45 PM. REMOVED AND REPLACED RUBBER HOSE FOR PACK 1 DUAL TEMP CONTROL VALVE AND Y-DUCT AS PER AMM 21-60-01. OPC AND LEAK CHECK GOOD.