As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GOT AUTOFAIL LIGHT ON CLIMB OUT AROUND 10,000. GROUNDED-YES. REMOVED AND REPLACED AFT OUT FLOW VALVE ASSEMBLY, IN REF TO B737-900 AMM 21-31-03. OPERATIONS CHECK NORMAL THIS CLEARS MEL 21-14C. PUSH IN BREAKER ON P6-4 AUTO 1 BREAKER C/N 10039457 SEAM C SCOTT NOTIFIED. PLACARD REMOVED PERFORMED TEST OF MANUAL MODE AND CABIN PRESSURE CONTROL SYSTEM. OPERATIONS CHECK GOOD, IN REF TO B737-900 AMM 21-31-00710-801 AND 21-31-00-700-802.