# SDR 04FDEA03334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2004
- Submitted: December 2, 2004
- Operation: Air carrier
- Aircraft: N68060
- Make and model: Doug DC-10-10
- Registry model: [Doug DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Aircraft serial: 46970
- Aircraft time: 48,319 hours, 17,789 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04FDEA03334

## Discrepancy

ON CLIMB-OUT PASSING 15,000, NR 1 CADC FAILED FOLLOWED BY L EMER A/C BUS OFF.  FOLLOWED RED TABS L EMER A/C BUS CIRCUIT BREAKER POPPED.  RETURNED TO FLL.  CADC SWITCH WOULD NOT PICK UP CAPT'S INSTURMENTS WHEN BOTH ON 2 SELECTED.  REMOVED AND REPLACED L EMER AC BUS RCCB R1-136 IAW MM 24-50-01-2.  REMOVED AND REPLACED L EMER AC BUS CIRCUIT BREAKER PRECAUTIONARY IAW SMP, ALL ASSOCIATED INSTRUMENTS AND CADC SWITCHING.  OPS CK'D NORMAL AIRCRAFT OK FOR SERVICE.

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