# SDR USAASB96189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N777AU](https://openairdocs.org/aircraft/N777AU), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24979
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD20131A
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB96189

## Discrepancy

ORD - MAINTENANCE FOUND FORWARD OVERWING EMERGENCY LIGHTS AND MISCELLANEOUS CABIN EMERGENCY LIGHTS INOP DURING SYSTEM TEST ON OVERNIGHT CHECK.  MAINTENANCE REPLACED THE BATTERY PACK AT STATION 727G RIGHT SIDE.  OPS CHECK GOOD.  (M)

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