# SDR AALA202104019028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2021
- Submitted: April 4, 2021
- Operation: Air carrier
- Aircraft: [N919US](https://openairdocs.org/aircraft/N919US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6479
- Aircraft time: 19,004 hours, 7,455 cycles
- System (JASC): [3330 · Cargo Compartment Lighting](https://openairdocs.org/jasc/3330)
- Part: Ballast
- Condition: Failed
- Location: Cargo Lights
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202104019028

## Discrepancy

AIRCRAFT WAS GROUNDED: SMOKE SMELLED BUT NOT OBSERVED IN THE AFT CABIN DISSIPATED AFTER5 MINUTES NO OTHER INDICATIONS. FOUND A BURNED AFT BALLAST IN THE AFT CARGO COMPARTMENT. REPLACED BALLAST AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-34-11.

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