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B737 flight crew reported accidently switching off the hydraulic pumps in flight instead of the engine anti-ice switches.
| Attributes | |
| ACN | 1513871 |
| Time | |
| Date | 201801 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic System |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 1842 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy |
Narrative:
On climbout auto pilot on we passed through a cloud layer and first officer (first officer) turned on engine anti ice. After reaching clear air the first officer turned off what he thought was the engine heat. Several minutes later a hyd caution light illuminated. The B system showed low pressure. I was the pilot monitoring so I started the hyd B low pressure checklist. We soon determined that both hyd B switches were in the off position. The system was restored to normal and we continued with flight.
Original NASA ASRS Text
Title: B737 flight crew reported accidently switching off the Hydraulic pumps in flight instead of the engine anti-ice switches.
Narrative: On climbout auto pilot on we passed through a cloud layer and FO (First Officer) turned on engine anti ice. After reaching clear air the FO turned off what he thought was the engine heat. Several minutes later a hyd caution light illuminated. The B system showed low pressure. I was the pilot monitoring so I started the hyd B low pressure checklist. We soon determined that both hyd B switches were in the off position. The system was restored to normal and we continued with flight.
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.