Service difficulty report · Control Valve · Boeing 737890

Difficulty date
July 30, 2018
Submitted
August 1, 2018
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
38,591 hours, 11,843 cycles
Part
Control Valve
Part number
3989085
Part serial
18561
Condition
Failed
Location
Ac Bay
Part time
20,518 hours, 6,226 cycles
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

"PACK" LT ILLUM ON RECALL, RESET W/ MC RESET. GROUNDED - YES. REMOVED & REPLACED LT PACK TCV AMM 21-61-21 OPS CHECK NORMAL.