# SDR ASAA2020071332890

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2020
- Submitted: July 13, 2020
- Operation: Air carrier
- Aircraft: [N556AS](https://openairdocs.org/aircraft/N556AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35175
- Aircraft time: 49,457 hours, 17,249 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- 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/ASAA2020071332890

## Discrepancy

EMERGENCY LIGHTS LOCATIONS FWD GALLEY RT SIDE FAILED 15 MIN CHECK.  AND LOCATION FWD CABIN LT SIDE.  GROUNDED - YES.  REMOVED & REPLACED EMERG BATTERY PACKS LOCATION M2335 & M1672 REF AMM 33-51-06.

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