# SDR USAA20100421SB054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2010
- Submitted: April 21, 2010
- Operation: Air carrier
- Aircraft: [N404US](https://openairdocs.org/aircraft/N404US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23886
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 20121
- Condition: Inoperative
- Location: Cabin
- 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/USAA20100421SB054

## Discrepancy

CLT - MAINTENANCE REPORTED THE OVERHEAD STORAGE BIN BULL NOSE EMERGENCY EXIT LIGHTS AT ROWS 1R, 5L AND 9L ARE INOPERATIVE.  MAINTENANCE REPLACED THE CHARGER ASSEMBLY/BATTERY PACK M1132 PER MM 33-51-51.  OPERATIONAL CHECK OF EMERGENCY LIGHTS NORMAL.

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