# SDR CALA2017071002147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2017
- Submitted: July 10, 2017
- Operation: Air carrier
- Aircraft: N181UA
- Make and model: Boeing 747422
- Aircraft serial: 25278
- Aircraft time: 105,327 hours, 12,355 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Bulb
- Condition: Inoperative
- Location: Emergency Exit
- 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/CALA2017071002147

## Discrepancy

UPPER DECK LEFT EMERGENCY EXIT DOOR BATTERY CHECK LIGHT DOES NOT ILLUMINATE FOUND TEST SWITCH LIGHT BULBS OUT, REPLACED THE BULBS AND CHECKED NORMAL.

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