What was found
DURING HEAVY MAINTENANCE, DURING PROCEDURE OF THE CHARGING OF THE PNUEMATIC ASSEMBLY ON THE AFT SERVICE DOOR LEAK WAS NOTED, REF AEROMAN NR 2020-351354, WO 2020-163/1. R & R R2 DOOR PNUEMATIC ASSEMBLY, IAW E190-52-42-51-000-801-A. LEAK CHECK NORMAL.