What was found
DURING TAXI OUT, L PACK OFF EICAS MSG AFTER ENGINE START. A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C ,MTX DEFERRED LH PACK IAW ABX MEL 21-51-1-1. 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 OUT, L PACK OFF EICAS MSG AFTER ENGINE START. A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C ,MTX DEFERRED LH PACK IAW ABX MEL 21-51-1-1. AND RETURNED A/C TO SERVICE