Service difficulty report · Control Valve · Boeing 737990ER

Difficulty date
November 24, 2015
Submitted
December 1, 2015
Operation
Air carrier
Aircraft
N487AS
Make and model
Boeing 737990ER
Aircraft serial
44108
Aircraft time
209 hours, 66 cycles
Part
Control Valve
Part number
3989085
Part serial
25079
Condition
Failed
Location
Right Pack
Part time
219 hours, 69 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

RIGHT PACK LIGHT ANNUNCIATED ON RECALL. ACFT GROUNDED. R & R RT TCV REF AMM 21-51-10. LEAK CK GOOD. BITE CK GOOD.