What was found
AFT CABIN TEMPERATURE DIFFICULT TO CONTROL IN AUTO, EITHER TOO HOT OR TOO COLD. BITE CHECKED TEMP CONTROLLERS NO FAULTS. FOUND CABIN TEMP SENSOR FILTERS VERY DIRTY. CHANGED FWD & AFT FILTERS.
- Difficulty date
- May 6, 2011
- Submitted
- May 11, 2011
- Operation
- Air carrier
- Aircraft
- N518AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35693
- Aircraft time
- 8,376 hours, 2,517 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Filter
- Part number
- 412A160041
- Condition
- Dirty
- Location
- Cabin Temp
- Stage of operation
- NR
- 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.