# SDR CA980317026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 737275
- Engine: Pwa JT8D17
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Air Data Compute
- Part number: HG480B20
- Condition: Failed
- Location: Cockpit
- Component: HG480B20
- Stage of operation: CL
- Nature of condition: I
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980317026

## Discrepancy

(CAN) AIRCRAFT RETURNED TO BLOCKS DUE TO CAPT'S ALTIMETER FLAG, MACK TRIM FAIL FLAG.  C.A.D.C REPLACED.

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