# SDR IXXA20121121031O

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2012
- Submitted: November 26, 2012
- Operation: Air carrier
- Aircraft: [N799AL](https://openairdocs.org/aircraft/N799AL), registered now
- Make and model: Doug DC-8-62F
- Registry model: [Doug DC-8-62F](https://openairdocs.org/model/douglas-dc-8-62f) (OpenAirDocs)
- Aircraft serial: 45922
- Aircraft time: 88,593 hours, 26,726 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: PS1313
- Part serial: 74
- Condition: Stuck
- Location: Cabin
- Part time: 1,476 hours, 325 cycles
- Stage of operation: CR
- 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/IXXA20121121031O

## Discrepancy

ACFT RETURNED TO DEPARTURE, DUE TO NO HEAT IN THE PASSENGER COMPARTMENT.  TROUBLESHOT AND FOUND NASI MIX VALVE STUCK IN THE FULL COLD POSITION.  R & R MIX VALVE IAW MM 21.04.25.  OPS CHECKED GOOD.

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