# SDR CALA2017121404446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2017
- Submitted: December 15, 2017
- Operation: Air carrier
- Aircraft: [N210UA](https://openairdocs.org/aircraft/N210UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30216
- Aircraft time: 64,284 hours, 13,551 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Exterior
- 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/CALA2017121404446

## Discrepancy

LT DR2, DR3 AND DR4 EXTERNAL EMERGENCY LIGHT INOP. REPLACED LT DR2, DR3 AND DR4 EXTERNAL EMERGENCY LIGHT AND OPERATIONAL TEST FOUND NORMAL AS PER AMM 33-51-04-710-001 REV 81.

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