# SDR SWAA2024030451246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2024
- Submitted: March 4, 2024
- Operation: Air carrier
- Aircraft: [N8602F](https://openairdocs.org/aircraft/N8602F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38110
- Aircraft time: 39,957 hours, 18,565 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024030451246

## Discrepancy

SEVERAL EXTERIOR AND INTERIOR EMERGENCY LIGHTS INOPERATIVE.<[01] REPLACED EMERGENCY LIGHTS BATTERY PACKS I/A/W SWA AMM 33-51-06-960-805. OPERATIONAL TEST PASSED. <BR><BR>BATTERY; BATTERY PACK M1670 - P/N: AD-D717-01-100SWA. B/N: 454354<BR>BATTERY; BATTERY PACK M1694 - P/N: AD-D717-01-100SWA. B/N: 454842<BR>BATTERY; BATTERY PACK M1695 - P/N: AD-D717-01-100SWA. B/N: 447576;[02] PERFORMED TROUBLESHOOTING. FOUND 4 BATTERY PACKS DEFECTIVE. POSITIONS M1670; M1694; M1695; M1675<BR><BR>REPLACED EMERGENCY LIGHTS BATTERY PACKS AS PER AMM REF 33-51-06-960-805 AND WDM 33-51-13 AND WDM 33-51-14. (REPLACEMENT OF BATTERY PACK AT POSITION M1675 NOT REQUIRED) ALL LIGHTS ARE FUNCTIONING; INSTALLATION TEST PASSED.

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