# SDR HALA9900106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N672MC](https://openairdocs.org/aircraft/N672MC), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47661
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Condition: Malfunctioned
- Location: Rt Cockpit
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA9900106

## Discrepancy

HNL - DURING CLIMB, EXPERIENCED LARGER AND LARGER A/S DEVIATIONS FROM RIGHT AND LEFT A/S INDICATORS, TCAS FAIL FLAG AND ALTITUDE VARIATIONS, LOSS OF MODE C AND R ALTIMETER WENT INTO BARO MODE.  REPLACED FIRST OFFICERS ALTIMETER FOR EXCESSIVE LEAK STATIC SYSTEM.  LEAK CHECKED AND OPS CHECKED OK.  (M)

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