# SDR AALA20160921006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2016
- Submitted: September 22, 2016
- Operation: Air carrier
- Aircraft: [N959NN](https://openairdocs.org/aircraft/N959NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33329
- Aircraft time: 6,606 hours, 2,267 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989084
- Part serial: 22860
- Condition: Faulted
- Location: Rt A/C Pack
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160921006

## Discrepancy

DURING CRUISE A RIGHT PACK OVERHEAT OCCURRED.  CABIN TEMPERATURE ROSE TO 95 DEGREES.  EMERGENCY DECLARED. LANDING UNEVENTFUL.  AIRCRAFT WAS GROUNDED.   MAINTENANCE REMOVED AND REPLACED THE RIGHT TEMPERATURE CONTROL VALVE. OPS CHECKED NORMAL .

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