- Difficulty date
- December 12, 2016
- Submitted
- December 14, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 32,173 hours, 9,785 cycles
- Part
- Knob
- Condition
- Loose
- Location
- Temp Selector
- 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.
What was found
AIR TEMPERATURE SOURCE SELECTOR KNOB ROTATES WITHOUT CHANGING SOURCE. GROUNDED - YES. REMOVED TEMP CONTROL MODULE, TIGHTENED TEMP SELECT KNOB AND REINSTALLED MODULE PER B737-800 AMM 21-61-15, OPS CHECK GOOD, REF B737-800 AMM 21-61-00-700-807-002.