# SDR SWAA2025063085265

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2025
- Submitted: June 30, 2025
- Operation: Air carrier
- Aircraft: [N8533S](https://openairdocs.org/aircraft/N8533S), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63577
- Aircraft time: 26,459 hours, 13,470 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- 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/SWAA2025063085265

## Discrepancy

PASSENGER CABIN EMERGENCY EXIT LIGHT FORWARD BATTERY PACKS M1675 STATION 317 AND M1676 STATION 500C ARE FAILING TO STAY CHARGED.<[01] REMOVED AND INSTALLED NEW PASSENGER CABIN EMERGENCY EXIT LIGHT FORWARD BATTERY PACKS M1675 STATION 317 AND M1676 STATION 500C <BR><BR>AMM 33-51-06-960-805<BR>AMM 21-23-03-400-802<BR>AMM 21-23-03-000-802<BR>AMM 25-21-71-400-817<BR>AMM 25-21-71-000-817<BR><BR>OPS CHECK GOOD;[02] STEP 1 ENTER IN ERROR;[03] REMOVED AND INSTALLED NEW PASSENGER CABIN EMERGENCY EXIT LIGHT FORWARD BATTERY PACKS M1675 STATION 317 AND M1676 STATION 500C AMM 33-51-06-960-805, AMM 21-23-03-400-802, AMM 21-23-03-000-802,  AMM 25-21-71-400-817,  AMM 25-21-71-000-817.  OPS CHECK GOOD.

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