# SDR UALA2012010300003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2012
- Submitted: January 17, 2012
- Operation: Air carrier
- Aircraft: N127UA
- Make and model: Boeing 747422
- Aircraft serial: 28813
- Aircraft time: 49,868 hours, 5,899 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Guard
- Condition: Missing
- Location: Light Switch
- 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/UALA2012010300003

## Discrepancy

EMERGENCY LIGHTS SWITCH 1L MISSING SWITCH GUARD.  REPLACED SWITCH GUARD.

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