# SDR SWAA2026092836596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2026
- Submitted: September 29, 2026
- Operation: Air carrier
- Aircraft: [N8563Z](https://openairdocs.org/aircraft/N8563Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64172
- Aircraft time: 28,656 hours, 14,673 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D7170100
- Condition: Inoperative
- Location: Zone 200
- 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/SWAA2026092836596

## Discrepancy

FOUND MULTIPLE EMERGENCY LIGHTS INOPERATIVE AT MID CABIN.   PERFORMED TROUBLSHOOTING,  FOUND BATTERY PACKS M1694, M1695, & M1671 INOPERATIVE IAW AMM 33-51-00, & WDM 33-51-13.  REMOVED DADO PANELS IAW AMM 33-51-06.  REMOVED BATTERY PACKS M1695 AND M1694 IAW AMM 33-51-06.  INSTALLED SERVICEABLE BATTERY PACKS IAW AMM 33-51-06.  REMOVED BATTERY PACK M1671 IAW AMM 33-51-06. INSTALLED A SERVICEABLE BATTERY PACK IAW AMM 33-51-06, PERFORMED SATISFACTORY OPS CHECK OF THE EMERGENCY LIGHT IAW AMM 33-51-06.  INSTALLED THE ACCESS PANELS IAW AMM 21-23-03.

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