# SDR A6WA201141046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2011
- Submitted: December 9, 2011
- Operation: Air carrier
- Aircraft: N461AW
- Make and model: Cndair CL6002B19
- Aircraft serial: 7870
- Aircraft time: 119,150 hours, 18,461 cycles
- System (JASC): [3697 · Pneumatic System Wiring](https://openairdocs.org/jasc/3697)
- Part: Wire
- Condition: Shorted
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA201141046

## Discrepancy

AT FL250 RECEIVED LT 10TH STAGE DUCT MESSAGE, RAN QRH, MESSAGE PERSISTED UNTIL ARRIVAL TO GATE.  SYNOPTIC PAGE FROM APU LCV TO LT PACK SHOWED YELLOW.  PERFOMRED A CONDUCTIVE TEST IAW CMM 26-14-12,  LOOP A50WK WAS FOUND TO BE SHORTED.  RESISTANCE BTW CONDUCTOR AND OUTSIDE HAS BEEN FOUND TO BE 14 OHMS.   REMOVED AND REPLACED LOOP A50WK IAW AMM 36-21-04.

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