Service difficulty report · Control Valve · Boeing 737890

Difficulty date
March 19, 2011
Submitted
March 22, 2011
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
7,938 hours, 2,367 cycles
Part
Control Valve
Part number
3989083
Part serial
11596
Condition
Faulty
Location
Ac Bay
Part time
7,938 hours, 2,361 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON RECALL ON AFTER START RIGHT PACK LIGHT ON. MASTER CAUTION RESET PACK LIGHT GOES OUT. FAULT CODE 216 224 000. BITE CHECK SHOWS R TCV FAULTED. REPLACED RIGHT PACK TCV. OPS/LEAK CHECK GOOD REF AMM 21 51 10 400 801.