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B737 captain reported a strong odor on takeoff which initially dissipated during climbout and returned during descent at destination.
| Attributes | |
| ACN | 1710272 |
| Time | |
| Date | 201912 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent Takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 160 Flight Crew Total 1896 Flight Crew Type 1896 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
During powerup for takeoff we noticed a strong odor in the cockpit. Because we hadn't noticed it earlier; it seemed that it could be coming from another aircraft or externally. After takeoff it was apparent it was coming from our aircraft; but dissipated during climbout so we decided to continue. During the decent below 23;000 feet; the odor was apparent again but not as strong. The engines were at idle. We were close to ZZZ at this point so we reviewed the fumes in the cockpit checklist and discussed donning the O2 mask and advising ATC should the situation become worse. Below 17;000 feet we started the APU and used the bleed. It helped for a few minutes but the odor returned. The flight attendants also smelled the odor in the cabin. The gate agent immediately mentioned the odor as she opened the door. The engine oil was serviced in ZZZZ and the engines were washed.
Original NASA ASRS Text
Title: B737 Captain reported a strong odor on takeoff which initially dissipated during climbout and returned during descent at destination.
Narrative: During powerup for takeoff we noticed a strong odor in the cockpit. Because we hadn't noticed it earlier; it seemed that it could be coming from another aircraft or externally. After takeoff it was apparent it was coming from our aircraft; but dissipated during climbout so we decided to continue. During the decent below 23;000 feet; the odor was apparent again but not as strong. The engines were at idle. We were close to ZZZ at this point so we reviewed the fumes in the cockpit checklist and discussed donning the O2 mask and advising ATC should the situation become worse. Below 17;000 feet we started the APU and used the bleed. It helped for a few minutes but the odor returned. The flight attendants also smelled the odor in the cabin. The Gate Agent immediately mentioned the odor as she opened the door. The engine oil was serviced in ZZZZ and the engines were washed.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.