# SDR DHLA200700036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2007
- Submitted: July 24, 2007
- Operation: Air carrier
- Aircraft: N770AT
- Make and model: Boeing 727-2B7
- Registry model: [Boeing 727-2B7](https://openairdocs.org/model/boeing-727-2b7) (OpenAirDocs)
- Aircraft serial: 21953
- Aircraft time: 66,120 hours, 38,759 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHLA200700036

## Discrepancy

EMERGENCY EXIT LIGHTS (BOTH) WOULD NOT WORK DURING STBY TEST.  REMOVED AND REPLACED BATTERIES IAW B727 MM 33-50-71, OPS CHECK GOOD.

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