# SDR UALA2013071004803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2013
- Submitted: July 12, 2013
- Operation: Air carrier
- Aircraft: [N204UA](https://openairdocs.org/aircraft/N204UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 28713
- Aircraft time: 64,788 hours, 8,995 cycles
- Engine: Pwa PW4090
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire Harness
- Condition: Failed
- Location: Strobe
- 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/UALA2013071004803

## Discrepancy

TAIL STROBE LIGHT INOPERATIVE.   FOUND 115VAC AT CONNECTOR AT POWER SUPPLY DM33425A SUSPECT WIRING BETWEEN POWER SUPPLY AND LIGHT ASSY.  REPLACED HARNESS BETWEEN LIGHT ASSY AND FIREWALL. IAW WD33-44-12. REPLACED LIGHT ASSY AND POWER SUPPLY AGAIN IAW MM, OPS NORMAL.

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