As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT START CONTROL CB POPPED OUT DURING START, RESET ONCE AND ATTEMPTED START, POPPED OUT AGAIN. ITEM DEFERRED IAW MEL 80-00-02-01 CAT C CANNON PLUG AT START VALVE CONTAMINATED WITH OIL. CLEANED PLUG AND RECEPTICLE, CB NO LONGER POPS BUT VALVE NO LONGER OPENS. DEFERRED AND MANUALLY STARTED.