What was found
FOUND DURING PS-1 CHECK, THE EMERGENCY LIGHT BATTERY 1 LOW ALERT. TROUBLESHOT IAW FIM 33-51-02-00, STEP 6, REL 88.01. REPLACED THE BATTERY IAW AMM 33-51-01, PB 401 REL. 90.01. PERFORMED AN OPS TEST IAW AMM 33-51-01-700-802 FOUND SATISFACTORY. OK TO CONTINUE.