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A B737-300 captain rejected the takeoff after he determined that the weather radar had failed and the flight was departing into potentially severe weather.
| Attributes | |
| ACN | 1022276 |
| Time | |
| Date | 201207 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Weather Radar |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 146 Flight Crew Type 9000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
After sitting due to a ground stop for severe weather; the ramp was opened and we pushed for departure. During the taxi out; the weather radar was selected on and we discussed our flight path. Prior to reaching the runway; I noticed the radar was blank. I thought maybe in error it had been turned off and asked the first officer to turn it back on. He said he had not turned it off. The radar seemed to work normally and I mentioned to the first officer we could not go without working radar. On the takeoff roll below 80 KTS; I saw the radar fail and rejected the takeoff. The rejected takeoff checklist was completed and we returned to the gate to have maintenance address the issue. Maintenance fixed the problem and checked the brake temperature to ensure compliance with cooling. Dispatch; the chief pilot on call; passengers; and flight attendants were talked to; briefed; and we departed without further issue.
Original NASA ASRS Text
Title: A B737-300 Captain rejected the takeoff after he determined that the Weather Radar had failed and the flight was departing into potentially severe weather.
Narrative: After sitting due to a ground stop for severe weather; the ramp was opened and we pushed for departure. During the taxi out; the Weather Radar was selected on and we discussed our flight path. Prior to reaching the runway; I noticed the radar was blank. I thought maybe in error it had been turned off and asked the First Officer to turn it back on. He said he had not turned it off. The radar seemed to work normally and I mentioned to the First Officer we could not go without working radar. On the takeoff roll below 80 KTS; I saw the radar fail and rejected the takeoff. The RTO Checklist was completed and we returned to the gate to have Maintenance address the issue. Maintenance fixed the problem and checked the brake temperature to ensure compliance with cooling. Dispatch; the Chief Pilot on call; passengers; and flight attendants were talked to; briefed; and we departed without further issue.
Data retrieved from NASA's ASRS site as of July 2013 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.