# SDR DL72W001341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2000
- Submitted: July 24, 2000
- Operation: Air carrier
- Aircraft: N2816W
- Make and model: Boeing 727247
- Aircraft serial: 20872
- Aircraft time: 78,146 hours, 52,748 cycles
- Engine time: 44,157 hours, 28,490 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Valve
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72W001341

## Discrepancy

NR 1 ENGINE COWL ANTI-ICE VALVE WON''T INDICATE OPEN IN FLT.  GOOD EPR DROP WHEN SWITCHED OPEN.  REPLACED NR 1 ENGINE COWL ANTI-ICE VALVE.  NO HELP.  FOUND BAD GROUND TO PIN B OF VALVE CANNON PLUG.  INSTALLED NEW TERMINAL TO GROUND.  OPERATION CHECKS GOOD WITH ENGINE RUNNING AND WITH ENGINE OFF.

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