# SDR CALA9800725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N14024
- Make and model: Boeing 747238B
- Aircraft serial: 20534
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Cadc
- Part number: 1903925
- Condition: Failed
- Location: Number 1
- Part time: 23,608 hours
- 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/CALA9800725

## Discrepancy

AFTER DEPARTURE, NUMBER ONE CADC FAILED CAPTAINS FD AND MACH INDICATOR HAD WARNING FLAGS AND NO WIND READ OUT ON INS 1 AND 3.  AIR RETURNED.  REMOVED AND REPLACED NUMBER 1 CADC PER MM 34-12-01 AND PERFORMED STATIC LEAK TEST.

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