What was found
AIRCRAFT WAS NOT GROUNDED: L1, L2, R1, R2, R3 DOOR ASSIST BOTTLES LOW. MAINTENANCE CHARGED L1 (SEE AALA201904159006), L2, R1 (SEE AALA201904169020), R2 (SEE AALA201904169021), R3 (SEE AALA201904169022) DOOR CYLINDER PER AMM 52-10-00 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.