# SDR TWRA9643

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N618FF
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 900835A
- 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/TWRA9643

## Discrepancy

DURING CABIN INSPECTION OF EVAC SYSTEM, MAINTENANCE FOUND UPPER DECK EXIT SIGN INOP.  MAINTENANCE REMOVED AND REPLACED BATTERY PACK.  OPS CHECK MM 33-51-00 OK.  (M)

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