# SDR HALA20161009364

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2016
- Submitted: October 11, 2016
- Operation: Air carrier
- Aircraft: [N581HA](https://openairdocs.org/aircraft/N581HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28141
- Aircraft time: 55,507 hours, 10,134 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20161009364

## Discrepancy

ALTITUDE DISAGREE EICAS MESSAGE ILLUMINATED.   PITOT-STATIC CHECK OF BOTH CAPTAIN`S & FIRST OFFICER`S ALTIMETERS, NO LEAKS, STICKING OF ALTIMETERS, OR ALTITUDE SPLIT OF GREATER THAN 20FT, TO 30,000FT.  VISUAL CHECK OF ALL PITOT-STATIC PROBES, OK.  AOA VANES OPERATE SMOOTHLY. REPLACED THE CAPTAIN'S ADC AS PRECAUTION.  LEAK AND OP.

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