# SDR ASAA0954425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2009
- Submitted: February 18, 2009
- Operation: Air carrier
- Aircraft: [N549AS](https://openairdocs.org/aircraft/N549AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30824
- Aircraft time: 17,092 hours, 5,140 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 34467
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0954425

## Discrepancy

AFT LEFT EMERGENCY LIGHTING BATTERY PACK M1673 STA 952 LBL 14 FAILS DEEP CYCLE CHECK.  REMOVED AND REPLACED M1673 BATTERY PACK, OPS CHECK GOOD.

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