# SDR AALA202008049013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2020
- Submitted: August 4, 2020
- Operation: Air carrier
- Aircraft: [N738US](https://openairdocs.org/aircraft/N738US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1254
- Aircraft time: 53,437 hours, 32,340 cycles
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Part number: 325031
- Condition: Failed
- Location: Cabin Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202008049013

## Discrepancy

AIRCRAFT WAS GROUNDED.   SMOKE FUMES IN CABIN & GROUND POWER SHOWS 460HZ ON ELECTRICAL PAGE. SMELLED ELECTRICAL BURNING ALONG WITH NO POWER TO DC1. REPLACED BUSS TIE RELAY 30XU1, NR 1 DC BUSS CONTACTOR 1PC1 IAW AMM 24-35-55.  CABIN SIDE WALL OVERHEAD LIGHTS BETWEEN SEAT ROWS 1 THRU 15 LEFT AND 16 THRU 27 RIGHT WERE OUT AND HAD A BURNED ODOR.  REPLACED MULTIPLE SIDEWALL LIGHT BALLASTS IAW AMM 33-21-11.

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