 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
A B767 flight crew climbing out of ewr reported two instances of the altitude alert window setting advancing 1000 feet above that previously set per their clearance as they approached their cleared altitude. Operation returned to normal after the two events. They wrote up the anomaly.
| Attributes | |
| ACN | 1242460 |
| Time | |
| Date | 201502 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | EWR.Airport |
| State Reference | NJ |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Altitude Alert |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 60 Flight Crew Total 24000 Flight Crew Type 4000 |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Experience | Flight Crew Last 90 Days 96 Flight Crew Total 765 Flight Crew Type 96 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance |
Narrative:
Departing ewr we were assigned 6000. I pointed to altitude window and verified 6000. I was PF. As I approached 5700 I noticed throttles not coming back and FD still indicating a climb. I pulled throttles back; overshot 6000 and leveled at 6200. We noticed the altitude window read 7000. Nfp called to verify altitude. We were then cleared to 7000. No problems with altitude window. Then we were cleared to 7000 and I verified 7000. Then window changed to 8000 on its own. We wrote the aircraft up.
Original NASA ASRS Text
Title: A B767 flight crew climbing out of EWR reported two instances of the altitude alert window setting advancing 1000 feet above that previously set per their clearance as they approached their cleared altitude. Operation returned to normal after the two events. They wrote up the anomaly.
Narrative: Departing EWR we were assigned 6000. I pointed to ALT window and verified 6000. I was PF. As I approached 5700 I noticed throttles not coming back and FD still indicating a climb. I pulled throttles back; overshot 6000 and leveled at 6200. We noticed the altitude window read 7000. NFP called to verify altitude. We were then cleared to 7000. No problems with ALT window. Then we were cleared to 7000 and I verified 7000. Then window changed to 8000 on its own. We wrote the aircraft up.
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.