What was found
CATERING REPORTED UNABLE TO OPEN THE R1 DOOR. ACFT GROUNDED. FOUND R1 DOOR GUIDE ARM ADJUSTMENT JAMB NUT LOOSE, ADJUSTED GUIDE ARM, TIGHTENED JAMB AND INSTALLED LOCK CHANNEL, REF AMM 52-11-00-820-801, STEP H. R-1 DOOR TESTED GOOD, REF AMM 52-11-00-700-804, STEP E. 1, 2 & 3.