# SDR C1HA200181003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2001
- Submitted: May 7, 2001
- Operation: Air carrier
- Aircraft: [N681CA](https://openairdocs.org/aircraft/N681CA), registered now
- Make and model: Boeing 727-2S7
- Registry model: [Boeing 727-2S7](https://openairdocs.org/model/boeing-727-2s7) (OpenAirDocs)
- Aircraft serial: 22020
- System (JASC): [2197 · Air Conditioning System Wiring](https://openairdocs.org/jasc/2197)
- Part: Wire
- Condition: Chafed
- Location: Control Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C1HA200181003

## Discrepancy

AIRCRAFT PRESSURIZATION FAILED IN ALL MODES AIR RETURN.  FOUND CHAFED WIRE ON RT PACK FLOW CONTROL VALVE.  REPAIRED WIRE, OPS CHECKED NORMAL.

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