What was found
IN DESCENT OUT OF FL 280 ALTITUDE WARNING HORN SOUNDED & CABIN PRESS ROSE TO 12000 FT. AFTER DESCENDING TO 10,000' THE AUTO FAIL & STANDBY LIGHTS ILLUMINATED. R & R OUTFLOW VLV & PRESS CONTROLLER IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN DESCENT OUT OF FL 280 ALTITUDE WARNING HORN SOUNDED & CABIN PRESS ROSE TO 12000 FT. AFTER DESCENDING TO 10,000' THE AUTO FAIL & STANDBY LIGHTS ILLUMINATED. R & R OUTFLOW VLV & PRESS CONTROLLER IAW MM.