Service difficulty report · Control Valve · Boeing 737890

Difficulty date
January 11, 2013
Submitted
January 15, 2013
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
23,466 hours, 7,109 cycles
Part
Control Valve
Condition
Malfunctioned
Location
Temp Control
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

AFTER START, RT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. LIGHT DOES RESET WITH MC RESET. FOUND TEMP CONTROL VALVE FAULT ON RT PACK TEMP CONT. CLEARED FAULT REF FIM 21-62, TASK 831. NO LIGHT ILLUMINATES ON RECALL.