Service difficulty report · Control Valve · Boeing 737890

Difficulty date
February 7, 2014
Submitted
February 11, 2014
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
22,361 hours, 6,990 cycles
Part
Control Valve
Part number
3989083
Part serial
5257
Condition
Malfunctioned
Location
A/C Bay
Part time
41,125 hours, 17,370 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

RT PACK LIGHT ILLUMINATES ON RECALL. THE ASSOCIATED LIGHT EXTINGUISHES ON MASTER CAUTION. ACFT GROUNDED. PERFORMED BITE CHECK, FOUND RT TCV INOPERATIVE. R & R TCV REF AMM 21-51-10. PERFORMED OPS/LEAK CHECK, OPS/LEAK CHECK GOOD. PERFORMED BITE CHECK, BITE CHECK CONFIRMS FAULT CORRECTED.