# SDR CALA2017061701853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2017
- Submitted: June 17, 2017
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 85,139 hours, 15,309 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- 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/CALA2017061701853

## Discrepancy

R1 & R4 EXTERIOR EMERGENCY LIGHTS INOPERATIVE DURING TEST.   REPLACED THE LAMPS  IAW 33-51-04-960. OPS CHECKED GOOD.

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