What was found
AFTER ENGINE START LEFT PACK LIGHT ILLUMINATED UPON MASTER CAUTION RECALL. LIGHT EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LH TCV REF B737-800 AMM 21-51-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER ENGINE START LEFT PACK LIGHT ILLUMINATED UPON MASTER CAUTION RECALL. LIGHT EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LH TCV REF B737-800 AMM 21-51-10.