# SDR 2007UALA03778

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2007
- Submitted: September 22, 2007
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 40,918 hours, 4,960 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Cabin
- 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/2007UALA03778

## Discrepancy

RIGHT EXTERIOR OVERWING EMERGENCY EXIT LIGHT INOP, MOST AFT LIGHT ASSY, ONE BULB INOP.    10-16-07    REPLACED LIGHT ASSY. OP  CHECKS NORMALLY.

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