# SDR USAABB03107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2003
- Submitted: July 22, 2003
- Operation: Air carrier
- Aircraft: N651US
- Make and model: Boeing 767-2B7
- Registry model: [Boeing 767-2B7](https://openairdocs.org/model/boeing-767-2b7) (OpenAirDocs)
- Aircraft serial: 24764
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Failed
- Location: Cockpit
- Part time: 44,188 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAABB03107

## Discrepancy

EN ROUTE, FIRST OFFICER'S AIRSPEED AND ALTIMETER FLAGS CAME INTO VIEW, AND THE AUTOPILOT AND AUTO THROTTLE TRIPPED OFF.  FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED THE ADC.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.