# SDR UIEA2018062601264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2018
- Submitted: June 26, 2018
- Operation: Air carrier
- Aircraft: [N747BC](https://openairdocs.org/aircraft/N747BC), registered now
- Make and model: Boeing 747-4J6
- Registry model: [Boeing 747-4J6](https://openairdocs.org/model/boeing-747-4j6) (OpenAirDocs)
- Aircraft serial: 25879
- Aircraft time: 45,924 hours, 11,450 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 111986
- 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/UIEA2018062601264

## Discrepancy

FOUND M/D EMERGENCY LIGHT INOP. IAW AMM 33-51-07--902-001-001 REV 92 REPLACED 3 EMERGENCY LIGHT POWER SUPPLY BATTERIES AND CONDITION CHECK NORMAL. IAW AMM 33-51-04-902-001-001 REV 92 STEP E PERFORMED POWER SUPPLY TEST AND THE RESULT WAS SATISFACTORY.

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