# SDR 2001UALA01838

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2001
- Submitted: September 5, 2001
- Operation: Air carrier
- Aircraft: N187UA
- Make and model: Boeing 747422
- Aircraft serial: 26876
- Aircraft time: 42,274 hours, 5,076 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: 1317
- Condition: Inoperative
- Location: Cabin
- Stage of operation: NR
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA01838

## Discrepancy

EMERGENCY LIGHT INOP, CEILING 51G SUPPLEMENTAL DATA UPDATE CEILING EMERGENCY LIGHT INOP. REPLACED BULB.

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