# SDR 2002UALA00879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2002
- Submitted: May 22, 2002
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 12,668 hours, 1,549 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/2002UALA00879

## Discrepancy

DOOR THRESHOLD CEILING EMERGENCY EXIT LIGHTS INOP AT DOORS 4L & 4R, 3L, 2L AND 2R.  RELAMPED EMERGENCY EXIT LIGHT.

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