# SDR TWAA0100101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2001
- Submitted: January 2, 2001
- Operation: Air carrier
- Aircraft: N983Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47411
- Aircraft time: 73,440 hours, 82,716 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: MISC0639
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0100101

## Discrepancy

THE LEFT NACELLE LIGHT WAS INOPERATIVE ON THE EMERGENCY LIGHT CHECK.  REPLACED THE LEFT OVERWING EMERGENCY BATTERY PACK.  CHECK-C 12-14-99.

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