# SDR AALA20170131028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2017
- Submitted: January 31, 2017
- Operation: Air carrier
- Aircraft: [N434AA](https://openairdocs.org/aircraft/N434AA), 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: 49452
- Aircraft time: 88,871 hours, 42,171 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: P4010049
- Part serial: 22309
- Condition: Discharged
- Location: Cabin
- Part time: 5,187 hours, 3,046 cycles
- Stage of operation: TX
- 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/AALA20170131028

## Discrepancy

AIRCRAFT WAS GROUNDED. EMERGENCY EXIT LIGHTS INOPERATIVE DURING PREFLIGHT CHECK. REMOVED AND REPLACED BATTERY PACK IAW AMM 33-53-00. OPERATIONAL CHECK GOOD.

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