# SDR 2007UALA03720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2007
- Submitted: September 21, 2007
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 33,738 hours, 4,155 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Condition: Inoperative
- Location: Emergency Light
- 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/2007UALA03720

## Discrepancy

LEFT OVERWING EMERGENCY LIGHT SECOND FROM BOTTOM ONE BULB INOP & SECOND FROM TOP ONE LIGHT INOP.   10-9-07   RELAMPED BOTH POSITIONS.  EEL LIGHTS OP CHECKED OK FOR SERVICE.

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