What was found
ACFT L1 DOOR DID NOT CLOSE AND LOCK PROPERLY CAUSING AN AIR LEAK AND LACK OF PROPER PRESSURIZATION. NO LIGHT CAME ON IN FLIGHT OR GROUND. ACFT GROUNDED. FOUND L1 DOOR OUT OF ALIGNMENT WITH FUSELAGE SKIN. ADJUSTED GUIDE ARM IAW AMM 52-17-00-820-801, STEP 2 A-H. ACCOMPLISHED GVI OF DOOR LATCH MECHANISM, CONTROL RODS AND UPPER AND LOWER GATES. NO DEFECTS NOTED. PRESSURIZED ACFT TO 4 PSIG IAW MANUAL MODE TEST AMM 21-31-00. NO LEAKS NOTED. PRESSURIZATION NORMAL.