What was found
DURING RECALL, FWD CABIN ZONE TEMP LIGHT ILLUMINATED. GOES OUT ON RESET. ACFT GROUNDED. REMOVED & REPLACED TRIM MODULATING VALVE V144 IAW AMM 21-61-21. OPS NORMAL.
- Difficulty date
- September 16, 2016
- Submitted
- September 23, 2016
- Operation
- Air carrier
- Aircraft
- N538AS
- Make and model
- Boeing 737890
- Aircraft serial
- 41188
- Aircraft time
- 17,201 hours, 5,005 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989084
- Part serial
- 11808
- Condition
- Failed
- Location
- Ecs Bay
- Part time
- 25,724 hours, 7,733 cycles
- Stage of operation
- NR
- 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.