# SDR CALA2016080200488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2016
- Submitted: August 2, 2016
- Operation: Air carrier
- Aircraft: N116UA
- Make and model: Boeing 747422
- Aircraft serial: 26908
- Aircraft time: 70,389 hours, 7,909 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016080200488

## Discrepancy

EMERGENCY LIGHTS AT 4L & 4R GO ON AND OFF RANDOMLY.   SYSTEM GROUND CHECKS GOOD IAW FIM 33-51-990-801

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