# SDR 2002UALA00402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2002
- Submitted: March 19, 2002
- Operation: Air carrier
- Aircraft: N187UA
- Make and model: Boeing 747422
- Aircraft serial: 26876
- Aircraft time: 44,143 hours, 5,338 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Blown
- 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/2002UALA00402

## Discrepancy

OVERWING EMERGENCY EXIT LIGHTS ON THE LEFT HAND SIDE, THE 3RD AND 4TH ASSEMBLIES ARE INOP.  REPLACED FUSE AND OPS CHECKS OK.

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