# SDR SWAA2023122131831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2023
- Submitted: December 21, 2023
- Operation: Air carrier
- Aircraft: [N7881A](https://openairdocs.org/aircraft/N7881A), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 35084
- Aircraft time: 50,539 hours, 26,785 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023122131831

## Discrepancy

MULTIPLE EMERGENCY LIGHTS INTERIOR/EXTERIOR INOP.<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACKS<BR>M2335 BATTERY PACK STA 500C LEFT<BR>M1670 BATTERY PACK STA 727C LEFT<BR>M1673 BATTERY PACK STA 952 LEFT<BR>I/A/W BOEING AMM 33-51-06-960-805; OPS CHECK PERFORMED I/A/W BOEING AMM 33-51-00-710-801; OPS CHECK NORMAL;[02] VERIFIED STEP 1

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