Service difficulty report · Control Valve · Boeing 737890

Difficulty date
September 4, 2016
Submitted
September 6, 2016
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
30,417 hours, 9,181 cycles
Part
Control Valve
Part number
3989083
Part serial
8909
Condition
Failed
Location
Cabin Temp
Part time
37,598 hours, 11,187 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.

What was found

LEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. REMOVED & REPLACED THE LT PACK TCV IAW AMM 21-51-10. OPS CHECKED NORMAL.