# SDR CALA2013081390383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2013
- Submitted: August 14, 2013
- Operation: Air carrier
- Aircraft: [N117UA](https://openairdocs.org/aircraft/N117UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 28810
- Aircraft time: 59,006 hours, 7,028 cycles
- Engine: Pwa PW4056
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Condition: Faulty
- Location: Nr 3 Fire Loop
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013081390383

## Discrepancy

"ENG 3, FIRE LP A" DISPLAYED.  FOUND WIRE HARNESS W3506- 503-16R AT FAULT BETWEEN LWR FWD AND LWR AFT LOOP IAW WDM 26-11-3-4 PG1.

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