# SDR SWAA2020031642516

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2020
- Submitted: March 16, 2020
- Operation: Air carrier
- Aircraft: N554WN
- Make and model: Boeing 737-7BX
- Registry model: [Boeing 737-7BX](https://openairdocs.org/model/boeing-737-7bx) (OpenAirDocs)
- Aircraft serial: 30746
- Aircraft time: 60,338 hours, 34,073 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/SWAA2020031642516

## Discrepancy

EMERGENCY BATTERY PACKS M1675 AND M1673 INOP         REMOVED AND REPLACED EMER BATT PACK M1673 AND EMER BATT PACK + POWER SUPPLY M1675 IAW AMM 33-51-06-960-805, AMM 33-51-06-960-806. PERFORMED EMERGENCY LIGHTS OPS CHECK FOR M1675 AND M1673, CHECKS GOOD IAW AMM 33-51-06-960-806 STEP 5.E.4 AND AMM 33-51-06-960-805 STEP 4.D.5

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