Service difficulty report · Control Valve · Boeing 737990ER

Difficulty date
November 5, 2016
Submitted
November 7, 2016
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
11,788 hours, 3,814 cycles
Part
Control Valve
Condition
Failed
Location
Rt A/C Pack
Stage of operation
NR
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 A/C PACK LIGHT ILLUMINATED. RESET ON RECALL. ACFT GROUNDED. ACCOMPLISHED B737-900 FIM 21-62 TASK 801. FOUND NR 2 TCV RED FAIL INDICATOR ILLUMINATED. ACCOMPLISHED BITE VERIFY TEST. FAULT CLEARED AND BITE TEST GOOD.