What was found
-BTB- ON STARTING NR 1 ENG N2 DROPPED TO ZERO AFTER REACHING 22 PERCENT, SUSPECT STARTER FAILURE. FOUND LEFT STARTER INOP, REMOVED AND INSTALLED SERVICEABLE STARTER, INSP AREA & NO DAMAGE NOTED, SERVICE STARTER WITH OIL TO FULL, DRY MOTOR ENG CHK GOOD, SECURED ENG COWLS, RUN UP LEFT ENG, OPS CHK GOOD. NO FAULT NOTED, OK FOR SERVICE PER AMM 80-11-01.