# SDR 2001UALA01468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2001
- Submitted: July 31, 2001
- Operation: Air carrier
- Aircraft: N7259U
- Make and model: Boeing 727222
- Aircraft serial: 21406
- Aircraft time: 67,778 hours, 38,690 cycles
- Engine: Pwa JT8D15
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA01468

## Discrepancy

AT FL240 WHEN THROTTLES PULLED BACK TO FLIGHT IDLE, CABIN PRESSURE STARTED CLIMBING AT 2000 FPM. WHEN CARGO HEAT VALVE CLOSED, CABIN PRESSURIZATION RETURNED TO NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.