# SDR EIAA200900113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2009
- Submitted: October 13, 2009
- Operation: Air carrier
- Aircraft: N488EV
- Make and model: Boeing 747230B
- Aircraft serial: 23287
- Aircraft time: 91,329 hours, 16,445 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835A
- Part serial: 75763
- Condition: Failed
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA200900113

## Discrepancy

UPPER DECK LEFT EXIT DOOR EMERGENCY SILL LIGHT WILL NOT ILLUMINATE.  REMOVED AND REPLACED LT UPPER DECK SILL DOOR BATTERY PACK.  OPS CHECK NORMAL ON GROUND.  REF MM 31-51-50 PAGE 201.

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