- Difficulty date
- December 25, 2009
- Submitted
- December 28, 2009
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 12,261 hours, 3,858 cycles
- Part
- Filter
- Part number
- 412A160041
- Condition
- Dirty
- Location
- Cabin
- 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.
What was found
UNABLE TO MODULATE AFT CABIN TEMPERATURE. PULLED CB'S P6 4 B2 B3 A3. CLEANED COCKPIT TEMP SENSOR FILTER AND REPLACED FWD AND AFT CABIN TEMP SENSOR FILTERS PER MM 21 61 06. VERIFIED FAULT AND AFTER FILTER CLEAN / CHANGE, PERF CABIN TEMP CONTROL AND INDICATION OPERATIONAL TEST REF MM 21 61 00 700 807 002. TESTS GOOD.