What was found
IN WORKSHOP : BATTERY RECEIVED FROM UNIVERSAL AEROSPACE SYSTEMS , LLC. EASA FORM 1 BY AEROSKILLS WITH 8 CELLS REPLACED( THERE MANUFACTURING DATE WAS 2020 ) WHILE THE BATTERY MANUFACTURING DATE WAS 2013 ) - SAFT ( THE VENDOR ) STATED THAT : DON NOT REPLACE MORE THAN 5 CELLS IN THE WHOLE LIFE OF BATTERY OR MORE THAN 3 CELLS IN ANY SHOP VISIT ( AS PER CMM 24-38-51 REV 4 APR 08/2013 PAGE) 5009 STEP 8-2 BATTERY TESTED FOUND THAT 4 CELLS LOW CAPACITY ( DISCHARGE TIMES RANGES FROM 55 TO 59 MINUTES ) WHILE IT MUST BE 60 MINUTES MINIMUM.