What was found
UNSCHEDULED LANDING DUE TO PRESSURIZATION PROBLEM. SUPPLEMENTAL DATA UPDATE ACCOMPLISHED CHECK OF BOTH PACK SYSTEMS, AND ACCOMPLISHED PRESSURIZATION SYSTEM CHECK. NO DEFECTS NOTED.
- Difficulty date
- May 21, 2001
- Submitted
- June 7, 2001
- Operation
- Air carrier
- Aircraft
- N902UA
- Make and model
- Boeing 737522
- Aircraft serial
- 25002
- Aircraft time
- 30,386 hours, 19,299 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.