# SDR NACA201111220047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2011
- Submitted: November 23, 2011
- Operation: Air carrier
- Aircraft: [N321DL](https://openairdocs.org/aircraft/N321DL), registered now
- Make and model: Boeing 737232
- Aircraft serial: 23093
- Aircraft time: 66,977 hours, 51,239 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Mixing Valve
- Part number: 39811611
- Part serial: 3034
- Condition: Failed
- Location: Rt A/C Pack
- Part time: 1,084 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA201111220047

## Discrepancy

ABORTED TAKEOFF DUE TO RIGHT DUCT OVERHEAT. REPLACED RT PACK AIR MIX VALVE. BACMM 21-61-11-401.  OP CHECK GOOD.

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