What was found
CONT CAB ZONE TEMP LIGHT ON MASTER CAUTION RECALL. GROUNDED - YES. FLT DECK PRIMARY TEMP CONTROL INOP. NR 2 PZTC LOGGED "FLT DECK TRIM VALVE". PERFORMED FIM 21-62 TASK 832. ETOPS GRD VERIFICATION NML, REF FIM 21-62 TASK 801.
- Difficulty date
- June 23, 2020
- Submitted
- June 24, 2020
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 25,940 hours, 8,382 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Cabin Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.