As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1080, LAX-LAS. AT APPLICATION OF TAKE OFF POWER STRONG DIRTY SOCK ODOR SEEMS TO DISAPATE AFTER 5 MIN BUT REMAINED. RAN ISO CHECK LIST THINK IT WAS WORSE WITH PACK 1 BOTH PILOT & #1 FA CONFIRMED ODOR. ( BLEED AIR SUPPLY SYSTEMS ); PLACED ON MEL 36-11-01 COND B CAT C . TROUBLESHOT, ODOR CAME FROM ENG 1 BLEED SOURCE PER TSM 05-50-00-810-831-A SELECTED ENG 1 BLEED PB SW OFF MX 4 UPDATED PLACARD INSTALLED. SUPPLEMENTAL INFORMATION TO FOLLOW.