What was found
CABIN TEMPERATURE UNABLE TO CONTROL. ACFT GROUNDED. REMOVED AND REPLACED THE LT PACK FLOW CONTROL AND SHUT OFF VALVE IAW AMM 21-51-01.
- Difficulty date
- February 22, 2018
- Submitted
- February 26, 2018
- Operation
- Air carrier
- Aircraft
- N493AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41727
- Aircraft time
- 7,208 hours, 2,437 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3966081
- Part serial
- 9142
- Condition
- Faulted
- Location
- Lt A/C Pack
- Part time
- 7,219 hours, 2,442 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.