# SDR SWAA2023060955508

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2023
- Submitted: June 9, 2023
- Operation: Air carrier
- Aircraft: [N8540V](https://openairdocs.org/aircraft/N8540V), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63598
- Aircraft time: 19,326 hours, 9,563 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/SWAA2023060955508

## Discrepancy

SEVERAL EMERGENCY LIGHTS INOP THRU CABIN AREA AND EXTERIOR<[01] REMOVED AND REPLACED BATTERY PACK (M1671 AND M1673) AS PER REF. B737 AMM 33-51-06-960-805 AND PERFORMED OPERATIONAL TEST PER REF. B737 AMM 33-51-06-960-805. FOUND NORMAL.;[02] VERIFIED STEP # 1; REMOVED AND REPLACED BATTERY PACK (M1671 AND M1673) AND OPERATIONAL TEST PERFORMED.;[03] REPLACED TWO BATTERY PACK ; TEST NORMAL.;[04] VERIFIED ENTRY#3 IS APPLICABLE TO THE FOLLOWING .INSPECTION VERIFIED AFTER TEST OF ONLY (2EH. CABIN EMERG. LIGHT) FOUND INOP. THE TWO WERE CORRECTED BY INSTALLING A NEW PER EACH ASSY. FOUND INOP. & THIS WAS CORRECTED& OPS TEST ( TEST GOOD . )ALL CABIN EMERG. LIGHTS WERE GOOD AT OPS . TEST PERFORMED.

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