Service difficulty report · Control Valve · Boeing 737990ER

Difficulty date
January 17, 2014
Submitted
January 21, 2014
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
4,372 hours, 1,393 cycles
Part
Control Valve
Part number
3989084
Part serial
18557
Condition
Failed
Location
Rt A/C Temp
Part time
4,377 hours, 1,394 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, EXTINGUISHES ON RESET. ACFT GROUNDED. R & R RT TEMP CONTROL VALVE IAW AMM 21-51-10. OPS CHECKED GOOD.