Service difficulty report · Control Valve · Boeing 737890

Difficulty date
July 14, 2013
Submitted
July 16, 2013
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
25,777 hours, 7,944 cycles
Part
Control Valve
Part number
3989083
Part serial
14819
Condition
Inoperative
Location
Lt A/C Pack
Part time
5,487 hours, 1,876 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

PRIOR TO TAXI THE LT PACK OVER HEAT LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED LT PACK TEMP CONTROL VALVE IAW AMM 21-51-10-400-801, OPS & BITE CK GOOD IAW AMM 21-61-00-700-806-002.