# SDR UIEA2024022900139 - Type: Service difficulty report (as reported; unverified) - Difficulty date: March 4, 2024 - Submitted: March 7, 2024 - Operation: Air carrier - Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now - Make and model: Boeing 767-3S1 - Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs) - Aircraft serial: 25221 - Aircraft time: 97,914 hours, 20,911 cycles - System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497) - Part: Wire Harness - Part number: UNKNOWN - Condition: Misrouted - Location: Electrical - Stage of operation: IN - How discovered: 9 - Nature of condition: W - Precautionary procedure: K - FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/) - Page: https://openairdocs.org/sdr/UIEA2024022900139 ## Discrepancy PERFORM TEST 30/40 AT THE BEGINNING OF THE SERVICE, 40 FCC R/C/L NAV SEL SW FAIL, LDS ERROR MESSAGE(

WIRING ROUTING WAS CORRECTED PER WDM SUPPLEMENT 34-61-16. NO FURTHER DEFECTS NOTED.

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