Service difficulty report · Control Valve · Boeing 737890

Difficulty date
November 8, 2012
Submitted
November 14, 2012
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
23,672 hours, 7,180 cycles
Part
Control Valve
Part number
3989083
Part serial
10414
Condition
Inoperative
Location
Rt A/C Pack
Part time
17,983 hours, 5,739 cycles
Stage of operation
TX
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

RIGHT PACK LIGHT ILLUMINATES ON RECALL. NR 2 TEMP CONTROL SHOWS THIS PACK TCV FAULT. R & R RT TEMP CONT VALVE. OPS CHECKED NORMAL IAW AMM 21-51-400-801.