Service difficulty report · Control Valve · Boeing 737890

Difficulty date
March 31, 2014
Submitted
April 3, 2014
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
23,319 hours, 7,229 cycles
Part
Control Valve
Part number
3989083
Part serial
9779
Condition
Failed
Location
Rt Temp
Part time
21,427 hours, 6,446 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

DURING TAXI AND MASTER CAUTION RECALL, RT PACK LIGHT ILLUMINATED ON MASTER CAUTION RESET LIGHT EXTINGUISHES. ACFT GROUNDED. R & R RT TEMP CONTROL VALVE, OPS & LEAK CHECKED GOOD IAW AMM 21-51-10.