What was found
AIRCRAFT UNABLE TO PRESSURIZE. SUPPLEMENTAL DATA UPDATE THE NR 1 ENGINE HIGH STAGE REGULATOR FAILED. REPLACED NR 1 ENGINE HIGH STAGE REGULATOR.
- Difficulty date
- March 22, 2001
- Submitted
- April 12, 2001
- Operation
- Air carrier
- Aircraft
- N952UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26699
- Aircraft time
- 23,266 hours, 14,474 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2120 · Air Distribution System
- Part
- Regulator
- Condition
- Failed
- Location
- Nr 1 Engine
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.