# SDR V2JA201207110001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2012
- Submitted: July 11, 2012
- Operation: Air carrier
- Aircraft: N173SL
- Make and model: Piagio P180
- Aircraft serial: 1146
- Aircraft time: 5,728 hours, 4,322 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Line
- Condition: Obstructed
- Stage of operation: DE
- How discovered: O
- Nature of condition: C, N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/V2JA201207110001

## Discrepancy

ADC NR 1 AND 2 SLOWLY WENT TO ZERO, CREW DIVERTED, AND AFTER A FEW MINUTES THE BOTH ADC’S CAME BACK UP.  ACFT LANDED WITHOUT INCIDENT.  CLEANED PITOT LINES FOR PILOT & COPILOT ADC`S BY PURGING MOISTURE FROM LINES.  LEAK CHECKED GOOD. OPS CHECKED GOOD.  WORK PERFORMED IAW AMM, CH: 34-11-00.  LOG: 157695.

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