# SDR CALA2017031000564

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2017
- Submitted: March 11, 2017
- Operation: Air carrier
- Aircraft: N175UA
- Make and model: Boeing 747422
- Aircraft serial: 24382
- Aircraft time: 102,357 hours, 11,344 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Exterior
- 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/CALA2017031000564

## Discrepancy

EMERGENCY LIGHTS, LT OUTSIDE SLIDE, TWO EACH BULBS IN EACH OF AFT TWO FIXTURES INOP. ALL BULBS CHECKED GOOD. REF WDM 33-51-42 PG 3 FOUND ALL EXTERIOR SLIDE LTS AND ALL INTERIOR LTS OP CHK OK REF AMM 33-51-00 501 BULB REPLACEMENT CORRECTED FAULT REF WDM 33-51- 42 P3 SHT1 & 2.

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