# NTSB Accident WPR10LA134
> **BOEING 737-7H4** · 2010-02-13 · Santa Clarita, CA, USA · SERS
## Event
- **NTSB number:** WPR10LA134
- **Event ID:** 20100216X20235
- **Type:** Accident
- **Date:** 2010-02-13
- **Location:** Santa Clarita, CA, USA
- **Coordinates:** 34.46389, -118.51361
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 83
- **Total aboard:** 85
## Aircraft
- **Make:** BOEING
- **Model:** 737-7H4
- **Registration:** N221WN
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s abrupt airplane pitch change maneuver. Contributing to the accident was the flight crew’s failure to maintain the heading specified by the air traffic controller, which would have avoided the near collision course with an unidentified airplane that triggered the traffic alert and collision avoidance system resolution advisory.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR10LA134) · AI Analytics · CC0 1.0*