Service difficulty report · Control Valve · Boeing 737890
FAA SDR system
- Difficulty date
- February 23, 2019
- Submitted
- March 1, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 40,329 hours, 12,125 cycles
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 21485
- Condition
- Failed
- Location
- Rt A/C Pack
- Part time
- 14,714 hours, 5,139 cycles
- Stage of operation
- TX
- How discovered
- V
- 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
PACK LIGHT ILLUMINATED AFTER START EXTINGUISHED AFTER PUSHING MASTER CAUTION RECALL, WILL RESET WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED #2 TCV (V141) REF B737-800 AMM 21-61-21/401 OPS CHECK GOOD REF B737-800 FIM 21-62 TASK 801 NO DEFECTS NOTED.