As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
98-170 - STA:EWR - DEPART EWR A/C DID NOT PRESSURIZE. RAN RED TABS NO HELP. RETURNED EWR. INDICATIONS OUT VALVE CLOSED ALL PACKS OPS NORMAL. UPON WALK AROUND FOUND 18 INCH OF DOOR SEAL OUT OF FWD CARGO DOOR (LWR FWD CORNER). REINSTALLED SAME. INSPECTED ALL DOORS ETC FOR SECURITY. PRESSURIZED A/C CABIN TO 3 PSID. ALL INDS WERE NORMAL.