# SDR 2001UALA00430

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2001
- Submitted: May 2, 2001
- Operation: Air carrier
- Aircraft: N7442U
- Make and model: Boeing 727222
- Aircraft serial: 21896
- Aircraft time: 61,426 hours, 35,493 cycles
- Engine: Pwa JT8D15
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: DE
- 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/2001UALA00430

## Discrepancy

DURING DESCENT CABIN PRESSURE WAS ERRATIC. SUPPLEMENTAL DATA UPDATE SUSPECT CABIN PRESSURE CONTROLLER FAILED.  REPLACED CABIN PRESSURE CONTROLLER.

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