Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- April 26, 2018
- Submitted
- April 27, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 39,369 hours, 11,985 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 10415
- Condition
- Faulted
- Location
- Rt A/C Pack
- Part time
- 39,363 hours, 11,983 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.
What was found
RIGHT PRIMARY TEMP CONTOLLER INOPERATIVE ILLUMINATED. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED A TEMP CONTROLLER BITE CHECK, FOUND THE TEMP CONTROL VALVE FAULTED. REMOVED & REPLACED THE TEMP CONTROL VALVE IAW AMM 21-51-10. LEAK & OPS CHECKED GOOD. BITE CHECK SHOWS NO FAULTS.