# SDR EIA2007200

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2007
- Submitted: January 29, 2008
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 97,706 hours, 23,162 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Part serial: 96673
- Condition: Discharged
- 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/EIA2007200

## Discrepancy

R5 EMERGENCY EXIT SIGN INOP.  REPLACED DOOR BATTERY PACK PER B747 MM 33-51-20 SYSTEM, OPS CHECKED GOOD PER MM 33-51-00 PG 501.

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