# SDR SWAA2020040635357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2020
- Submitted: April 6, 2020
- Operation: Air carrier
- Aircraft: [N951WN](https://openairdocs.org/aircraft/N951WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36665
- Aircraft time: 33,427 hours, 20,258 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/SWAA2020040635357

## Discrepancy

SHIP SET OF EMERGENCY LIGHT BATTERIES FAILED CAPACITY TEST AT LOCATIONS M1668; M1669; M1670; M1672; M1673; M1674 AND M1675 IN CABIN. / R&R EMERGENCY LIGHT BATTERY PACKS AT M1668; M1669; M1670; M1672; M1673; M1674 AND M1675 PER AMM 33-51-06.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
