# SDR SWAA2021080398824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2021
- Submitted: August 3, 2021
- Operation: Air carrier
- Aircraft: [N561WN](https://openairdocs.org/aircraft/N561WN), registered now
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 32417
- Aircraft time: 53,697 hours, 34,618 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/SWAA2021080398824

## Discrepancy

EMERGENCY LIGHTING BATTERY PACK M1672 FAILED CAPACITY CHECK. ; / [01] REMOVED AND REPLACED BATTERY PACK M1672 PER ACMM 33-51-06-960-805. GROUND TEST NORMAL.; [02] REMOVED AND REPLACED BATTERY PACK M1672 PER ACMM 33-51-06-960-805. GROUND TEST NORMAL.; [03] VERIFIED STEPS 1 AND 2.

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