# SDR U2RA201809250002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2018
- Submitted: November 27, 2018
- Operation: Air carrier
- Aircraft: [N919CA](https://openairdocs.org/aircraft/N919CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25302
- Aircraft time: 95,752 hours, 13,841 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BPS73
- Part serial: 38639
- Condition: Inoperative
- 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/U2RA201809250002

## Discrepancy

EMERGENCY LIGHTS L1853, L1854, AND L5735 ARE INOPERATIVE (MAIN DECK LEFT DOOR).  REPLACED EMERGENCY LIGHT BATTERY PACK ASSEMBLY PER AIRCRAFT MAINTENANCE MANUAL 33-51-04.  LIGHTS OPERATE NORMAL.

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