What was found
AFT TEMP CONTROLLER EXTREMELY SENSITIVE TO SMALL ADJUSTMENTS. BITE TEST BOTH ZONE TEMP CONTROLLERS. ALL GOOD NO FAULTS NOTED. FOUND AIR FILTERS DIRTY AT FLIGHT COMPT FWD & AFT COMPARTMENTS. CLEANED AIR FILTERS. OP CHECKS GOOD.
- Difficulty date
- November 19, 2007
- Submitted
- November 21, 2007
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 2,791 hours, 858 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Filter
- Part number
- 412A160041
- Condition
- Dirty
- Location
- Cabin Air
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.