# SDR UALA2010042901432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2010
- Submitted: April 30, 2010
- Operation: Air carrier
- Aircraft: [N121UA](https://openairdocs.org/aircraft/N121UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29167
- Aircraft time: 45,838 hours, 5,462 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: 78941
- Condition: Missing
- Location: Seat 9j Aft
- 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/UALA2010042901432

## Discrepancy

SEAT 9J, AFT AISLE EMERGENCY LIGHT ASSY MISSING.   REPLACED LIGHT ASSY, OPS NORMAL.

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