# SDR SWAA2023050343290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2023
- Submitted: May 3, 2023
- Operation: Air carrier
- Aircraft: [N470WN](https://openairdocs.org/aircraft/N470WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33860
- Aircraft time: 63,238 hours, 37,764 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- 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/SWAA2023050343290

## Discrepancy

ROW 16DEF AND 18DEF EMERGENCY AISLE LIGHTS INOP<[01] SLAVED IN AFT R/H EMERGENCY NEW POWER PACK AND NEW BATTERY PER AMM 33-51-06. NO FIX.;[02] REF WDM 33-51-14 FOUND HOUSING ASSY AT ROW 16 SHORTED INTERNALLY CAUSING FUSE IN CHARGER M1672 TO BLOW. REF AMM 33-51-06 REPLACED FUSE ; REF AMM 33-51-03 REPLACED HOUSING ASSY. LIGHTS OP?S NORMAL

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