What was found
AT FL250 LT PACK COULD NOT HOLD ALT. CABIN HORN CAME ON AND WE HAD TO DO QRC W-DESCENT. REPLACED CABIN PRESSURE CONTROLLER. LT PACK FUNCTIONED NORMAL.
- Difficulty date
- January 11, 2009
- Submitted
- January 14, 2009
- Operation
- Air carrier
- Aircraft
- N928UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26651
- Aircraft time
- 46,034 hours, 32,905 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 7102048
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.