# SDR HALA2009083100395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2009
- Submitted: September 1, 2009
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 24,774 hours, 4,770 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Computer
- Part number: 4040800911
- Part serial: 3115554
- Condition: Malfunctioned
- Part time: 25,360 hours, 4,819 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009083100395

## Discrepancy

ETOPS SIGNIFICANT SYS - ATB - IAS DISAGREE EICAS DISPLAY SELECTED AIR DATA SWITCH ON F/O SIDE - A/S GOOD - RUDDER RATIO, AILERON LOCKOUT REMAINED ILLUMINATED.   REMOVED AND REPLACED NR 2 ADC COMPUTER, GND CHECKED OK IAW AMM 34-12-01.  RUDDER RATIO GND CHECKED OK IAW FIM 27-21-00 FIG 104, AIL L/O GND CHECKED OK IAW FIM 27-11-00 FIG 104.  ACFT OK FOR SERVICE.

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