Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- December 28, 2016
- Submitted
- December 30, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 37,497 hours, 11,203 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 11435
- Condition
- Faulted
- Location
- Rt A/C Pack
- Part time
- 24,212 hours, 7,318 cycles
- Stage of operation
- CL
- 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 PACK LIGHT ILLUMINATED AFTER ROTATION. RAN QRH, TRIP RESET PUSHED, RIGHT PACK LIGHT EXTINGUISHED. ACFT GROUNDED. RT PACK/ZONE TEMP CONTROLLER BITE SHOWS PACK TCV (V141) FAULT. REMOVED & REPLACED THE RT PACK TCV IAW AMM TASK 21-51-10, LEAK & OPS CHECKED NORMAL.