Service difficulty report · Control Valve · Boeing 737890

Difficulty date
May 28, 2019
Submitted
May 30, 2019
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
48,469 hours, 14,422 cycles
Part
Control Valve
Condition
Malfunctioned
Location
Ac Bay
Stage of operation
DE
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

ON DESCENT ILLUMINATION OF RIGHT PACK LIGHT DURING MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED BITE CHECK REF FIM 21-61-00 FOUND RH PACK TCV FAULT. CLEARS AFTER RESET. NO CURRENT FAULTS NOTED.