What was found
(CAN) A/C RETURNED DUE TO PRESSURIZATION PROBLEMS IN CRUISE. RAPID DESCENT INITIATED, AND PRESSURIZATION RECOVERED AT FL280, DESCENT STOPPED AT FL250 LANDED SAFELY. CABIN PRESSURE CONTROLLER REPLACED.
- Difficulty date
- March 9, 1998
- Submitted
- January 19, 2001
- Operation
- Air carrier
- Make and model
- Lkheed 10113853
- Aircraft time
- 50,644 hours
- Engine
- Rroyce RB211524B402
- System (JASC)
- 2917 · Hydraulic Pressure Regulator, Main
- Part
- Controller
- Condition
- Failed
- Location
- Hyd Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.