# SDR ZZDA020920181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2002
- Submitted: June 25, 2007
- Operation: Air carrier
- Aircraft: [N942AT](https://openairdocs.org/aircraft/N942AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55005
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Check Valve
- Condition: Damaged
- Location: Bulkhead
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZZDA020920181

## Discrepancy

RIGHT PAC FLOW DISAGREE ALERT CAME ON IN FLT (HISTORY).  FOUND RIGHT BULKHEAD CHECK VALVE FLAPPER DAMAGED AND STUCK CLOSED.  REPLACED FLAPPER AND END ASSY IAW MM 21-20-01, OPS CHECK GOOD.

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