# SDR UALA2013022001030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2013
- Submitted: February 21, 2013
- Operation: Air carrier
- Aircraft: [N661UA](https://openairdocs.org/aircraft/N661UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27158
- Aircraft time: 84,973 hours, 13,562 cycles
- Engine: Pwa PW4060
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: S242T210211
- Part serial: 135
- Condition: Faulty
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013022001030

## Discrepancy

AFTER T/O CAPTAIN EXPERIENCED LOSS OF AIRSPEED, ALT AND OTHER AIR DATA INDICATIONS.  INDICATIONS RETURNED TO NORMAL SEVERAL MINUTES AFTER T/O.  ALL INDICATIONS NORMAL AT THIS TIME.  SAMC TEXT: FAULTY AIR DATA INDICATIONS RETURNED.  CAPT SELECTED ALT ADC AND SYSTEMS RESTORED.  REPLACED LEFT - ADC IAW B767 AMM.  ALL INDICATIONS NORMAL.  NO MORE FURTHER FAULTS.

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