# SDR 98UAL900210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N7253U
- Make and model: Boeing 727222
- Aircraft serial: 21400
- Engine: Pwa JT8D15
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cooling Valve
- Condition: Failed
- Location: E/E Compt
- Component: Sundstrand, 56697
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98UAL900210

## Discrepancy

LOST CABIN PRESSURIZATION CONTROL.  DESCENDED TO 10,000 FEET AND DIVERTED TO ORD.  *S/D*  REPLACED E AND E COMPARTMENT COOLING VALVE DUE TO STUCK OPEN.

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