# SDR AALA20120229003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2012
- Submitted: February 29, 2012
- Operation: Air carrier
- Aircraft: N973TW
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53623
- Aircraft time: 36,488 hours, 17,310 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120229003

## Discrepancy

EMERGENCY LIGHTS AT ROWS 24 TO 28D FAILED TEST.  REPLACED BATTERY PACK.  OPS CHECKS NORMAL.

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