Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- November 5, 2015
- Submitted
- November 9, 2015
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 33,098 hours, 9,915 cycles
- Part
- Control Valve
- Part number
- 3989084
- Part serial
- 18274
- Condition
- Failed
- Location
- A/C Bay
- Part time
- 11,221 hours, 3,503 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROLLER CABIN PRIMARY TEMP CONTROL INOPERATIVE. ACFT GROUNDED. CONFIRMED FAULT, RT ZONE TEMP CONTROLLER SHOWS FLIGHT DECK TRIM VALVE, V143, FAULTS. R & R FLIGHT DECK TCV REF AMM TASK 21-61-21, GROUND FUNCTIONAL CK/LEAK CK AND PACK/ ZONE TEMP CONTROLLER BITE TESTS NORMAL REF AMM TASK 21-61-00-700-806-002.