# SDR DLM88961399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N942DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49815
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Emer Power Sw
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: DE
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88961399

## Discrepancy

DURING IDLE DESCENT THROUGH 8,000, CBS K7 AND L8 POPPED OPEN, RESULTING IN LOSS OF A/C EMERGENCY BUS.  EMERGENCY POWER ON, WORKED OK.  REPLACED EMERGENCY POWER SWITCH.

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