Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- May 15, 2017
- Submitted
- May 16, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 31,692 hours, 9,493 cycles
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 1609
- Condition
- Faulty
- Location
- Ac Bay
- Part time
- 85,410 hours, 38,357 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES WITH MASTER CAUTION RECALL. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED NR 1 PACK TEMP CONTROLLER BITE 21-62 TASK 801. NR 1 CONTROLLER SHOWS STANDBY OTHER PACK TCV FAULT. REQUIRES V142 RIGHT STBY TCV. REPLACED RT PACK TCV REF AMM 21-51-10 OPS AND LEAK CHECK GOOD.