What was found
DURING TAXI WHILRE STARTING #2 ENG. IT FAILED TO START. A/C RETURNED TO THE GATE(BTB0 AND MTX GROUNDED A/C MTX DEFERRED RH START VALVE IAW MEL ABX-80-00-2-1. FOR DEPARTURE AND RETURNED A/C TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI WHILRE STARTING #2 ENG. IT FAILED TO START. A/C RETURNED TO THE GATE(BTB0 AND MTX GROUNDED A/C MTX DEFERRED RH START VALVE IAW MEL ABX-80-00-2-1. FOR DEPARTURE AND RETURNED A/C TO SERVICE.