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B737NG captain reported releasing the parking brake at the gate once the wheel chocks signal was received; then the aircraft slid back approximately 13 feet.
| Attributes | |
| ACN | 1416846 |
| Time | |
| Date | 201701 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 163 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Ground Event / Encounter Other / Unknown Inflight Event / Encounter Weather / Turbulence |
Narrative:
We taxied to our gate on an icy ramp. The gate next door to ours; YYY; had a note in the [company manual] about it being a gate on a sloped ramp; please leave the parking brake set while at the gate. Our gate; XXX had no such note in the [manual].after shutting down both engines and receiving the wheel chocks set signal from the ground marshaler; I released the aircraft parking brake. The aircraft slid backwards approximately 13 ft before I set the parking brake again.
Original NASA ASRS Text
Title: B737NG Captain reported releasing the parking brake at the gate once the wheel chocks signal was received; then the aircraft slid back approximately 13 feet.
Narrative: We taxied to our Gate on an icy ramp. The gate next door to ours; YYY; had a note in the [Company manual] about it being a gate on a sloped ramp; please leave the parking brake set while at the gate. Our gate; XXX had no such note in the [manual].After shutting down both engines and receiving the wheel chocks set signal from the ground Marshaler; I released the aircraft parking brake. The aircraft slid backwards approximately 13 FT before I set the parking brake again.
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.