# SDR CALA9900462

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N18544
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47219
- System (JASC): [7430 · Ignition Switching](https://openairdocs.org/jasc/7430)
- Part: Switch
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9900462

## Discrepancy

IAH - FLT 612 - IMMEDIATELY AFTER TAKEOFF NOTICED ELECTRICAL SMELL IN COCKPIT.  SMELL WENT AWAY IN A FEW MINUTES.  DURING CLIMB-OUT NOTICED LEFT IGNITION C/B TRIPPED.  RESET C/B PER QRH, WOULD NOT RESET.  GOT A BEEP NOISE AND SPARKS CAME OUT OF OVERHEAD PANEL NEAR IGNITION SWITCH.  REPLACED IGNITION SWITCH.  OPS CHECK NORMAL.  (M)

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