What was found
CONTROL CABIN ZONE TEMP ILLUMINATED ON RECALL. ACFT GROUNDED. INTERROGATED THE LEFT PTFC, FOUND FAULT 21-51123. PERFORMED FIM 21-62, TASK 893, BITE CHECK PASSED. FOUND TO BE INTERMITTENT FAULT.
- Difficulty date
- February 12, 2018
- Submitted
- February 14, 2018
- Operation
- Air carrier
- Aircraft
- N448AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36356
- Aircraft time
- 7,440 hours, 2,538 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cockpit Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.