# SDR SWAA020374

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2002
- Submitted: February 19, 2002
- Operation: Air carrier
- Aircraft: N789SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29816
- Aircraft time: 4,540 hours, 2,693 cycles
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Part number: 417A5500
- Condition: Overheated
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA020374

## Discrepancy

AIR TURNBACK, BURNING SMELL REPORTED IN CABIN.  AFT GALLEY, RECIRC FAN AND GASPER FAN C/B PULLED, SMELL GOT STRONGER.  FOUND SIDEWALL LIGHT BALLAST OVERHEATED AT ROW 17 ABC.  REMOVED AND REPLACED SIDEWALL LIGHT BALLAST AT ROW 17 ABC PER MM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.