Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Aircraft Equipment Problem Dissipated; Flight Crew Overcame Equipment Problem; General Maintenance Action
Aircraft
Heavy aircraft TOGA power; detected slight odor at TOGA power. On climbout Flight Attendant called and said [they] could smell odor. After approximately 2-5 minutes [the] odor dissipated for 6 hour flight until descent at 15;000 feet. Odor again dissipated. Normal landing entered discrepancy in Maintenance log.
A321 Captain reported a fumes event on initial climb which was also reported by flight attendants. Fumes dissipated and returned during descent.