# SDR DALA2023021501210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2023
- Submitted: February 15, 2023
- Operation: Air carrier
- Aircraft: [N819NW](https://openairdocs.org/aircraft/N819NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0858
- Aircraft time: 66,738 hours, 8,808 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023021501210

## Discrepancy

SHIP 3319 ISIS ALT IS OFF BY 2800 FT AT FL350. AIRSPEED IS ALSO OFF BY 35 KTS./MACH IS OFF BY 1.3. CORRECTIVE ACTION: FOUND STBY STATIC LEAK AT 40MJ PRESSURE SWITCH. R/R 40MJ PRESSURE SWITCH. (9449626)

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