What was found
LEFT PACK LIGHT ON MASTER CAUTION RECALL. ACFT GROUNDED. ZONE TEMP CONTROLLER BITE SHOWED AFT ZONE TEMP CONTROL VALVE HARD FAULT. R & R AND TESTED AFT ZONE TEMP CONTROL VALVE, V145 IAW MM 21-62-01, TEST PASSED.
- Difficulty date
- November 9, 2015
- Submitted
- November 12, 2015
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 25,988 hours, 7,812 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989084
- Part serial
- 20390
- Condition
- Failed
- Location
- A/C Bay
- Part time
- 6,792 hours, 2,147 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.