What was found
CABIN TEMPERATURE ZONE CONTROL ANNUNCIATED. REPLACED TEMPERATURE TRIM MODULATING VALVE.
- Difficulty date
- April 21, 2008
- Submitted
- April 23, 2008
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 4,403 hours, 1,315 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 9406
- Condition
- Malfunctioned
- Location
- Cabin Temp
- Part time
- 4,403 hours, 1,315 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.