As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATTEMPTED X BLEED START ON RT ENG INITIALLY N2 ROSE TO 20% THEN START VALVE DISCRETE LIGHT CAME ON AGAIN AND N2 DROPPED AS LOW AS 8% ABORTED START. DEFERRED PER ABX-80-00-2-1, PERFORMED MANUAL START. REMOVED AND REPLACED RIGHT ENGINE STARTER CONTROL VALVE ASSY. IAW ABX B767 AMM 80-11-02 SERVICEABLE UNIT INSTALLED OP CK OK. DI 50365 IS CLEARED PLACARD REMOVED NO MX DI PROCEDURE ACCOMPLISHED.