What was found
WHILE PERFORMING BITE CHECK ON NR 1 ZONE TEMP CONTROLLER, FOUND AFT CABIN ZONE TEMP VALVE FAULTED. ACFT GROUNDED. REPLACED AFT CABIN ZONE TEMP VALVE, REF MM 21-61-21, OPS CHECK BITE CHECK GOOD. OK FOR SERVICE.
- Difficulty date
- February 9, 2014
- Submitted
- February 11, 2014
- Operation
- Air carrier
- Aircraft
- N516AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39044
- Aircraft time
- 19,761 hours, 6,131 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 3989084
- Part serial
- 10725
- Condition
- Faulted
- Location
- A/C Bay
- Part time
- 17,264 hours, 7,905 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.