As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WOULD NOT PRESSURIZE. LEVELED ACFT AT 8000 FT & AT THAT TIME THE AFT GALLEY DOOR WARNING CAME ON. AN EMER WAS DECLARED. RETURNED FOR LANDING WITHOUT FURTHER INCIDENT. AFT GALLEY DOOR LIGHT WENT AWAY AT 3000 FT. THE ACFT WAS GNDED. REPLACED & TESTED OUTFLOW VLV ACTUATOR IAW MM 21-32-05 PARAGRAPH G H. CONTROLLERS BITE NORMAL IAW MM 22-32-00.