# SDR UIEA2018122652917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2018
- Submitted: December 26, 2018
- Operation: Air carrier
- Aircraft: [N465MC](https://openairdocs.org/aircraft/N465MC), registered now
- Make and model: Boeing 747446
- Aircraft serial: 24784
- Aircraft time: 98,320 hours, 18,986 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 106723
- Condition: Inoperative
- Location: Emergency Lights
- 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/UIEA2018122652917

## Discrepancy

UPPER DECK EMERGENCY LIGHT INOP AT APROX STA 400 CENTER ISLE(<P>REMOVED AND REPLACED POWER SUPPLY BATTERY IAW AMM 33-51-04. OPERATIONAL CHECKS GOOD. </P>)

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