# SDR USAASB01239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2001
- Submitted: September 10, 2001
- Operation: Air carrier
- Aircraft: N442US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24841
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: 1012721
- 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/USAASB01239

## Discrepancy

TPA - MAINTENANCE FOUND THE EMERGENCY LIGHTS IN SEAT ROWS 6 THROUGH 9 AND 12 THROUGH 19 INOPERATIVE.  ALSO, FOUND LEFT EMERGENCY EXIT SIGN INOPERATIVE.  MAINTENANCE FOUND A WIRE SHORTED UNDER SEAT ROW 9, LEFT SIDE.  REMOVED AND REPLACED LIGHT ASSEMBLY AT SEAT ROW 9, LEFT SIDE.  ALSO, REMOVED AND REPLACED BATTERY PACK (P/N 2013-1A) AT SEAT ROW 11, LEFT SIDE, FOR TROUBLESHOOTING.  OPERATIONAL CHECK OF ALL LIGHTS GOOD.  (M)

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