What was found
DECLARED EMERGENCY DIVERTED TO IND. MECHS PERFORMED GVI OF PACK BAYS AND COMPONENTS. OUTFLOW VALVE CLEAR OF ANY DEBRIS, RAN LT PACK FOR LEAKS AND NO LEAKS DETECTED. WILL PROCEED WITH 757 AMM 21-51-00-5, PARG.10. SINGLE PACK PRESSURIZATION CONFIDENCE CHK. AMM: 52-09-04-4-0 FOUND MAIN CARGO DOOR SEAL OUT OF TRACK AT FWD LWR CORNER AND BUNCHED UP (WAVY) FURTHER UP TRACK ON FWD SIDE. EXCESSIVE AIR LEAK OUTSIDE DURING PRESSURIZATION CHECK. REINSTALLED SEAL CORRECTLY. CLEANED ENTIRE SEAL AND APPLIED SILICONE. DOOR OPEN CLOSE CHECK GOOD. SEAL PRESSURIZATION CHKD GOOD. LEAK DOWN TEST GOOD. TEST PERFORMED AFTER OUTFLOW VALVE CHANGE & AMM: 21-31-03-2. THE OUTFLOW VALVE WAS REPLACED & OPS CHKD GOOD.