# SDR UIEA2019070904718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2019
- Submitted: July 10, 2019
- Operation: Air carrier
- Aircraft: [N465MC](https://openairdocs.org/aircraft/N465MC), registered now
- Make and model: Boeing 747446
- Aircraft serial: 24784
- Aircraft time: 99,610 hours, 19,267 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 100129
- 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/UIEA2019070904718

## Discrepancy

LT UPPER DECK GULL WING DOOR EMERGENCY EXIT SIGN INOP (<P>REMOVED AND REPLACED LT GULL WING DOOR EMERGENCY EXIT SIGN BATTERY PACK AND OPERATIONAL CHECK GOOD</P>)

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