# SDR AALA20170306005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2017
- Submitted: March 6, 2017
- Operation: Air carrier
- Aircraft: [N963TW](https://openairdocs.org/aircraft/N963TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53613
- Aircraft time: 50,058 hours, 24,448 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: P4010051111
- Part serial: 9904
- Condition: No Test
- Location: Emergency Light
- Part time: 4,875 hours, 2,946 cycles
- 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/AALA20170306005

## Discrepancy

RIGHT FORWARD OVERWING EMERGENCY EXIT MARKER FAILED TEST.  REMOVED AND REPLACED BATTERY PACK AND POWER SUPPLY IAW AMM 33-60-98. OPERATIONAL CHECKED GOOD.

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