What was found
RIGHT PACK LIGHT ILLUMINATED. GROUNDED - YES. DURING CONTROLLER BITE TEST TCV SHOWED FAILED. REMOVED AND REPLACED RH TEMP CONTROL VALVE PER B737-800 AMM 21-51-10-400-801. OPS AND LEAK TEST GOOD.
- Difficulty date
- March 1, 2021
- Submitted
- March 3, 2021
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 50,961 hours, 15,087 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 1574
- Condition
- Failed
- Location
- Rt A/C Pack
- Part time
- 84,613 hours, 35,872 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.