Service difficulty report · Control Valve · Boeing 737890

Difficulty date
February 2, 2013
Submitted
February 4, 2013
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
25,202 hours, 7,472 cycles
Part
Control Valve
Part number
3989083
Part serial
8740
Condition
Inoperative
Location
A/C Bay
Part time
25,207 hours, 7,473 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 CAME ON AFTER ENG START. ACFT GROUNDED. BITE CHECK SHOWED RT PACK TCV INOP. R & R RT PACK TEMP CONT VALVE. CLEARED FAULT ON RT PACK, OPS NORMAL REF AMM 21-51-10.