Service difficulty report · Control Module · Boeing 737890
FAA SDR system
- Difficulty date
- November 25, 2016
- Submitted
- November 28, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35182
- Aircraft time
- 38,119 hours, 11,431 cycles
- Part
- Control Module
- Part number
- 162BL903
- Part serial
- 06118161
- Condition
- Failed
- Location
- Cabin Temp
- Part time
- 38,117 hours, 11,431 cycles
- Stage of operation
- NR
- How discovered
- O
- 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
CABIN AIR SUPPLY DUCT TEMP INDICATOR SEEMS TO HAVE ERRONEOUS INDICATIONS, MOVING SELECTOR SWITCH WITHIN DETENT CAUSES ERRATIC INDICATIONS. ACFT GROUNDED. REMOVED & REPLACED TEMPERATURE CONTROL MODULE IAW AMM 21-61-15-400-801. OPS NORMAL.