What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES AFTER RESET. PERFORMED PACK/ZONE TEMP CONTROLLER BITE PROCEDURE- NR 1 CONTROLLER SHOWS THE PACK TCV FAULT. R & R LT TEMP CONTROL VALVE REF MM 21-51-10-000-801. OPS CHECKED GOOD.
- Difficulty date
- September 9, 2012
- Submitted
- September 12, 2012
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 15,854 hours, 5,029 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 10948
- Condition
- Malfunctioned
- Location
- Lt A/C Pack
- Part time
- 15,881 hours, 5,038 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.