What was found
CONTROL CABIN ZONE TEMP LIGHT ON CLIMB OUT. RESET WITH MASTER CAUTION RECALL. ACFT GROUNDED. REPLACED CONTROL TRIM VALVE IAW AMM 21-61-21-000-801, AND 21-61-21-400-801, OPS CHECKED GOOD.
- Difficulty date
- February 10, 2018
- Submitted
- February 12, 2018
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 39,398 hours, 11,486 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 11324
- Condition
- Faulted
- Location
- Lt A/C Pack
- Part time
- 33,905 hours, 10,025 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.