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A319 flight crew experienced fluctuating airspeed and altitude indications on the captains pfd. The aircraft had been written up previously for similar problems so the crew elected to divert before entering an rvsm over water leg.
| Attributes | |
| ACN | 877265 |
| Time | |
| Date | 201003 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Air Data Computer |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude Deviation - Speed All Types |
Narrative:
Level off at FL360. First officer flying; auto-pilot 2 in use. After 3 minutes in level flight; altitude warning sounded. Captain's altimeter indicated 36;400 ft; first officer's altimeter indicating level flight at 36;000 ft. Captain's altimeter and airspeed fluctuating and warning and alert indications sounding. Over-weight precautionary landing made. Refer to log book; pilot write-ups previous 90 day's and maintenance follow-ups.
Original NASA ASRS Text
Title: A319 flight crew experienced fluctuating airspeed and altitude indications on the Captains PFD. The aircraft had been written up previously for similar problems so the crew elected to divert before entering an RVSM over water leg.
Narrative: Level off at FL360. First Officer flying; auto-pilot 2 in use. After 3 minutes in level flight; altitude warning sounded. Captain's altimeter indicated 36;400 FT; First Officer's altimeter indicating level flight at 36;000 FT. Captain's altimeter and airspeed fluctuating and warning and alert indications sounding. Over-weight precautionary landing made. Refer to log book; pilot write-ups previous 90 day's and maintenance follow-ups.
Data retrieved from NASA's ASRS site as of April 2012 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.