# SDR EISA20000229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2000
- Submitted: March 15, 2001
- Operation: Air carrier
- Aircraft: N361KP
- Make and model: Boeing 727225
- Aircraft serial: 20627
- Aircraft time: 66,296 hours, 44,194 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 89812621
- Part serial: P2037
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EISA20000229

## Discrepancy

UNABLE TO MAINTAIN CABIN ALTITUDE BELOW 10,000 FT AUTO OR MANUAL AIR TURNBACK TO AUS.  REPLACED LEFT PRESSURE REGULATOR PER MM 36-12-51.

---
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.