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B737 flight crew is informed during taxi out by a passenger that there is frost on the wing requiring deicing. Fuel had been tankered in and the weather was clear and cold; not conducive to csff formation. Preflight inspection 10 minutes after landing revealed no frost but csff was apparent 30 minutes later duing taxi.
| Attributes | |
| ACN | 863826 |
| Time | |
| Date | 200912 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer |
| Experience | Flight Crew Last 90 Days 253 |
| Person 2 | |
| Function | Captain |
| Experience | Flight Crew Last 90 Days 242 |
| Events | |
| Anomaly | Ground Event / Encounter Other / Unknown |
Narrative:
We tankered in gas on very cold day with dew point close to -3/-4. We checked for frost due to cold soaked fuel 10-15 minutes after landing with none showing. Once taxiing out; a passenger (other carrier pilot) noticed frost on top of wings and notified a flight attendant. We stopped the aircraft and the captain checked over the wings from the cabin and confirmed there was some frost on the top of the wing. We then coordinated and de-iced the aircraft and continued on our way.
Original NASA ASRS Text
Title: B737 Flight Crew is informed during taxi out by a passenger that there is frost on the wing requiring deicing. Fuel had been tankered in and the weather was clear and cold; not conducive to CSFF formation. Preflight inspection 10 minutes after landing revealed no frost but CSFF was apparent 30 minutes later duing taxi.
Narrative: We tankered in gas on very cold day with dew point close to -3/-4. We checked for frost due to cold soaked fuel 10-15 minutes after landing with none showing. Once taxiing out; a passenger (other carrier pilot) noticed frost on top of wings and notified a Flight Attendant. We stopped the aircraft and the Captain checked over the wings from the cabin and confirmed there was some frost on the top of the wing. We then coordinated and de-iced the aircraft and continued on our way.
Data retrieved from NASA's ASRS site as of April 2012 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.