# SDR SWAA990146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N89SW](https://openairdocs.org/aircraft/N89SW), registered now
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22904
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Part number: 1060752
- Condition: Failed
- Location: Lavatory
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990146

## Discrepancy

SMOKE IN COCKPIT, ENTERED IN STEADY HEAVY STREAM IN AREA OF BRACE IN C/B PANEL BY CAPT LEFT SHOULDER.  LAVATORY MIRROR C/B FOUND TRIPPED.  CHECKED P-18 PNL FOR BURN WIRE AND CIRCUIT BREAKER, ALL CHECK NORMAL.  FOUND FWD LAV MIRROR LT BALLAST BAD.  PULLED AND COLLARED LAV MIRROR LT C/B.  CONTINUED PER MEL 33-2.  DURING OVERNIGHT CHECK, REMOVED AND REPLACED LIGHT BALLAST PER BOEING MM.

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