As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT WILL NOT PRESSURIZE . OUTFLOW VALVE SHOWS CLOSED IN MANUAL. ADJUSTED 1L GUIDE ARM, REF AMM 52-11-00-820-801 FIGURE 502. DOOR OPERATES NORMALLY. PRESSURIZED AIRCRAFT NO LEAKS NOTED. VERIFIED SAFETY AND SECURITY OF GUIDE ARM JAM NUT AND LOCK CHANNEL ONLY, REFERENCE AMM TASK 52-11-00-820-801 STEP H. (1), (A) (B) AND (C). OPS CHECK OK. OUTFLOW VALVE OPERATES NORMALLY.