# SDR TWAA0107101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2001
- Submitted: February 9, 2001
- Operation: Air carrier
- Aircraft: N939AS
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49657
- Aircraft time: 39,676 hours, 22,770 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 105606002
- Condition: Inoperative
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0107101

## Discrepancy

DURING PREFLIGHT, FOUND EGRESS PATH MARKING SYSTEM LIGHTS INOP.  REPLACED BATTERIES.  OP 00-05 01-31-01 STL.

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