As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN SLOWLY ROSE TO 9500 FT AND SLOWLY RETURNED TO NORMAL CONDITION HAPPENED A SECOND TIME SWITCHED. AUTO 2 PRESSURIZATION STABLE FOR 10-15 MIN CABIN BEGAN TO RISE SLIGHTLY. ON RETURN TO HNL CABIN AUTO INOP ILLUMINATED. PERFORMED CABIN PRESS BITE CHECK, SELECTOR FAULT ON NR 1, REMOVED AND REPLACED CABIN PRESS SELECTOR IAW AMM. CHECK IN AND OUT TEMPS ARE NORMAL. (K)