What was found
CREW REPORTS SMOKE FROM LEFT ENGINE EXHAUST AT TAKEOFF POWER. RETURNED TO SFO, REMOVED AND REPLACED LEFT ENGINE BREATHER TUBE CARBON SEAL IAW MM 72-20-00. OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTS SMOKE FROM LEFT ENGINE EXHAUST AT TAKEOFF POWER. RETURNED TO SFO, REMOVED AND REPLACED LEFT ENGINE BREATHER TUBE CARBON SEAL IAW MM 72-20-00. OPS CHECKS GOOD.