# SDR ASMF200406022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2004
- Submitted: June 25, 2004
- Operation: Air carrier
- Aircraft: N1003Y
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 48068
- Aircraft time: 65,672 hours, 51,426 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Computer
- Part number: HG280D80
- Part serial: 1529
- Condition: Failed
- Location: Cadc
- Part time: 41,030 hours, 30,341 cycles
- 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/ASMF200406022

## Discrepancy

DURING TRANSIT CHECK, CAPTAIN REPORTED SPEED FLAG IN BOTH ADI´S AND FLAG IN EPR LIMIT INDICATOR. CADC´S AND DFGC´S RESEAT WERE PERFORMED AND FAIL CONTINUED.  DIFFERENCE OF 150 FEET BETWEEN BOTH ALTIMETERS WAS REPORTED AND CADC´S WERE REPLACED IAW MM 34-16-01, TESTS CORRECT.

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